Naming Stars

If you are reading this because you want to buy a star name, check the IAU Theme Buying Stars and Star Names. Otherwise, please read the text below.

The IAU is keen to make a distinction between the terms name and designation. Throughout this theme, and in other IAU publications, name refers to the (usually colloquial) term used for a star in everyday speech, while designation is solely alphanumerical and used almost exclusively in official catalogues and for professional astronomy.

History of Star Catalogues

The cataloguing of stars has seen a long history. Since prehistory, cultures and civilisations all around the world have given their own unique names to the brightest and most prominent stars in the night sky. Certain names have remained little changed as they passed through Greek, Latin and Arabic cultures, and some are still in use today. As astronomy developed and advanced over the centuries, a need arose for a universal cataloguing system, whereby the brightest stars (and thus those most studied) were known by the same labels, regardless of the country or culture from which the astronomers came.

To solve this problem, astronomers during the Renaissance attempted to produce catalogues of stars using a set of rules. The earliest example that is still popular today was introduced by Johann Bayer in his Uranometria atlas of 1603. Bayer labelled the stars in each constellation with lowercase Greek letters, in the approximate order of their (apparent) brightness, so that the brightest star in a constellation was usually (but not always) labelled Alpha, the second brightest was Beta, and so on. For example, the brightest star in Cygnus (the Swan) is Alpha Cygni (note the use of the genitive of the Latin constellation name), which is also named Deneb, and the brightest star in Leo (the Lion) is Alpha Leonis, also named Regulus.

Unfortunately, this scheme ran into difficulties. Mis-estimates and other irregularities meant it wasn’t always accurate: for example, the brightest star in (the Twins) is Beta Geminorum (Pollux) while Alpha Geminorum (Castor) is only the second brightest star of the constellation. Also, the Greek alphabet only has 24 letters, and many constellations contain far more stars, even if the naming system is restricted to those visible to the naked eye. Bayer attempted to fix this problem by introducing lower-case letters from the modern Latin alphabet (a to z), followed by uppercase letters (A to Z) for the stars numbered 25 to 50 and 51 to 76 respectively in each constellation.

Nearly 200 years after the introduction of Bayer’s Greek letter system another popular scheme arose, known as Flamsteed numbers, named after the first English Astronomer Royal, John Flamsteed. Observing at Greenwich, Flamsteed made the first major star catalogue with the aid of a telescope, published posthumously in 1725. What we now know as Flamsteed numbers were not actually allocated by Flamsteed himself but by a French astronomer, Jérôme Lalande, in a French edition of Flamsteed’s catalogue published in 1783. In this scheme, stars are numbered in their order of right ascension within each constellation (for example: 61 Cygni).

Other designation schemes for bright stars have been introduced, but have not seen the same level of popularity. One such scheme, which built on Flamsteed numbering, was introduced by the American astronomer, Benjamin Gould, in 1879. Only a handful of stars are occasionally referenced with the Gould scheme today — for example, 38G Puppis.

Alphanumeric Designations & Faint Stars

Stars discovered recently will inevitably be much fainter than those catalogued under the Bayer or Flamsteed schemes. As astronomers discover these new stars to study, it is standard practice to identify them with an alphanumeric designation. These designations are practical, since star catalogues typically contain thousands, millions, or even billions of objects, such as that released from ESA’s Gaia satellite.

Several catalogues of faint stars exist and have been around for many years, such as the Bonner Durchmusterung (BD), the Henry Draper Catalogue (HD) and the General Catalogue (GC) of Boss. The BD is supplemented by the Cordoba Durchmusterung (CD) and the Cape Durchmusterung for stars in the southern hemisphere. Other catalogues commonly used are the Smithsonian Astrophysical Observatory Catalogue (SAO), the Bright Star Catalogue (Harvard Revised Photometry, HR), or the Positions and Proper Motions Catalogue (PPM). The same star can appear in several catalogues, each time with a different designation. As an example, Betelgeuse is known as Alpha Orionis, HR 2061, BD +7 1055, HD 39801, SAO 113271, and PPM 149643.

Binary and Multiple Systems

Stars in binary or multiple systems are labelled in a variety of different ways: by capital letters from the Latin alphabet if the star has a common colloquial name; by Bayer name; by Flamsteed designation; or by a catalogue number. For example, the brightest star in the sky, Sirius, has a white dwarf companion which is catalogued as each of the following: Sirius B, Alpha Canis Majoris B, and HD 48915 B.

Variable Stars

In 1862, a cataloguing scheme for variable stars — those whose brightness appears to fluctuate over time — was proposed by German astronomer, Friedrich Wilhelm Argelander. Proposing to build on Bayer’s scheme, Argelander suggested using the leftover letters R to Z for the variable stars contained in each constellation (and also occasionally Q — for example, in Centaurus, Puppis and Vela).

Initially, the nine available letters seemed more than sufficient to label the small number of variable stars in each constellation. The number of these stars discovered grew, however, and soon Argelander’s scheme was extended to two-letter names, and then to include numbers.

Today, variable stars are catalogued in a few slightly different ways, as a result of their order of discovery. In each constellation, the first variable to be discovered is assigned the letter R and the Latin genitive of the constellation name, such as R Andromedae. The second discovered variable is dubbed S, continuing in this fashion up to Z, following which two-letter names are introduced, such as RR Lyrae. This is followed by RS up to RZ, and then SS to SZ, and so forth up to ZZ. If more variable stars are discovered past this stage, the scheme returns to AA to AZ, BB to BZ and so on, up to QQ to QZ. Interestingly, the letter J is omitted in this scheme to avoid confusion with the letter I.

Such a system provides 334 possible unique designations for variable stars in a constellation. If even more are discovered, the catalogue turns to designations whereby the constellation name is preceded by the letter V and a number, for example, V 1500 Cygni, which can continue indefinitely. The exceptions are those variable stars already assigned a Bayer name, which are not given a new name according to this scheme (such as Delta Cephei, Beta Lyrae, Beta Persei, or Omicron Ceti).

As a further addition, the type of variable star is classified based on a well-known, typical example. Such examples include Mira stars, RR Lyrae stars, or Delta Cephei stars (also known as Cepheids).

Novae and Supernovae

Another slightly different alphanumeric system is used for novae and supernovae, stars that have undergone incredible illumination due to extreme nuclear explosions. Novae are assigned designations according to their constellation, together with the year their superlumination event occurred (e.g. Nova Cygni 1975), and are later given designations based on variable stars. Indeed, Nova Cygni 1975 is the same object as the aforementioned V 1500 Cygni.

Supernovae are also named for their year of occurrence, together with SN and an uppercase letter, such as in SN 1987A. If a single year is particularly flush with supernova events, a double lowercase designation is used (e.g. SN 1997bs).

IAU List of Star Names

In 2016, the IAU mobilised the Working Group on Star Names (WGSN) under its Division C (Education, Outreach, and Heritage), whose purpose was to formally catalogue the names of stars, beginning with the brightest and best-known. The Working Group is composed of an assortment of astronomers from all over the world who bring different perspectives and experience to its decisions. Further details on the establishment of the group can be found in this press release.

Alphanumeric designations are useful for astronomers to officially identify the stars they study, but in many instances, for cases of bright stars, and stars of historical, cultural, or astrophysical interest, it can be more convenient to refer to them by a memorable name. Many such names are already in common parlance, and have been for a long time, but until the establishment of the WGSN there was no official, IAU-approved catalogue of names for the brightest stars in our sky.

The Working Group aims to solve the problems that have arisen over the centuries as different cultures and astronomers gave their own names to stars. Even until recently, some of the most famous stars in the sky — such as Sirius, Rigel and Betelgeuse — had no official spelling, some stars had multiple names, and identical names were sometimes used for completely different stars altogether. As an example, a cursory perusal through historical and cultural astronomy literature finds over 30 names for the star commonly known as Fomalhaut. While this particular spelling has seen the most use over the centuries, similar instances in literature have included Fom-al hut al-jenubi, Fomahandt, Fomahant, Fomal'gaut, Fomal'khaut, Fomalhani, Fomalhut, Formalhaut, Fumahant, Fumahaut, and Fumalhaut. By creating an IAU-endorsed stellar name catalogue, confusion can be reduced. The unique IAU star names will also not be available in the future to name asteroids, planetary satellites, and exoplanets so as to further reduce confusion.

To approve the list of star names, the WGSN is delving into worldwide astronomical history and culture, looking to determine the best-known stellar appellations to use as the officially recognised names. Such an exercise will continue to be the Group’s main aim for the next few years. Beyond this point, once the names many of the bright stars in the sky have been officially approved and catalogued, the WGSN will turn its focus towards establishing a format and template for the rules, criteria and process by which proposals for stellar names can be accepted from professional astronomers, as well as from the general public.

Although there is no rigid format that stellar names must follow — since they have their roots in many varied cultures and languages — the Working Group established some initial, basic guidelines, which build on the lessons from other IAU Working Groups. The guidelines outline a preference for shorter, one-word names that are not too similar to existing names for stars, planets or moons, as well as those that have roots in astronomical and historical cultural heritage from around the world.

Before the establishment of the WGSN, the IAU had only ever officially approved the names of 14 stars, in connection with efforts to catalogue the names of newly discovered exoplanets.

List of IAU-approved Star Names as of 24.11.2016 (click on headers to sort)

ID Const. IAU Name Designation RA(J2000) Dec(J2000) Vmag HIP# HD# Approval Date
α And Alpheratz HR 15 2.096916 29.090431 2.07 677 358 2016-06-30
β And Mirach HR 337 17.433013 35.620557 2.07 5447 6860 2016-06-30
γ1 And Almach HR 603 30.974804 42.329725 2.10 9640 12533 2016-07-20
ξ And Adhil HR 390 20.585080 45.528778 4.87 6411 8207 2016-08-21
υ And Titawin HR 458 24.199342 41.405457 4.09 7513 9826 2015-12-15
14 And Veritate HR 8930 352.822556 39.236197 5.22 116076 221345 2015-12-15
α Aqr Sadalmelik HR 8414 331.445983 -0.319849 2.95 109074 209750 2016-08-21
β Aqr Sadalsuud HR 8232 322.889715 -5.571176 2.90 106278 204867 2016-08-21
γ Aqr Sadachbia HR 8518 335.414064 -1.387334 3.86 110395 212061 2016-08-21
δ Aqr Skat HR 8709 343.662556 -15.820827 3.27 113136 216627 2016-08-21
ε Aqr Albali HR 7950 311.918969 -9.495775 3.78 102618 198001 2016-09-12
θ Aqr Ancha HR 8499 334.208485 -7.783291 4.17 110003 211391 2016-09-12
κ Aqr Situla HR 8610 339.439084 -4.228056 5.04 111710 214376 2016-09-12
α Aql Altair HR 7557 297.695827 8.868321 0.76 97649 187642 2016-06-30
β Aql Alshain HR 7602 298.828304 6.406763 3.71 98036 188512 2016-08-21
γ Aql Tarazed HR 7525 296.564915 10.613262 2.72 97278 186791 2016-08-21
ξ Aql Libertas HR 7595 298.562008 8.461453 4.71 97938 188310 2015-12-15
μ Ara Cervantes HR 6585 266.036255 -51.834051 5.15 86796 160691 2015-12-15
α Ari Hamal HR 617 31.793357 23.462418 2.01 9884 12929 2016-07-20
β Ari Sheratan HR 553 28.660046 20.808031 2.64 8903 11636 2016-07-20
γ1 Ari Mesarthim HR 546 28.382560 19.293852 4.75 8832 11502 2016-08-21
δ Ari Botein HR 951 47.907356 19.726674 4.35 14838 19787 2016-09-12
α Aur Capella HR 1708 79.172328 45.997991 0.08 24608 34029 2016-06-30
β Aur Menkalinan HR 2088 89.882179 44.947433 1.90 28360 40183 2016-07-20
α Boo Arcturus HR 5340 213.915300 19.182409 -0.05 69673 124897 2016-06-30
β Boo Nekkar HR 5602 225.486510 40.390567 3.49 73555 133208 2016-08-21
γ Boo Seginus HR 5435 218.019466 38.308251 3.04 71075 127762 2016-08-21
ε Boo Izar HR 5506 221.246763 27.074207 2.35 72105 129988 2016-08-21
η Boo Muphrid HR 5235 208.671161 18.397717 2.68 67927 121370 2016-09-12
μ1 Boo Alkalurops HR 5733 231.122618 37.377169 4.31 75411 137391 2016-08-21
38 Boo Merga HR 5533 222.327791 46.116206 5.76 72487 130945 2016-09-12
- Cam Tonatiuh HR 4609 181.312995 76.905735 5.80 58952 104985 2015-12-15
α Cnc Acubens HR 3572 134.621740 11.857687 4.26 44066 76756 2016-07-20
γ Cnc Asellus Borealis HR 3449 130.821442 21.468501 4.66 42806 74198 2016-11-06
δ Cnc Asellus Australis HR 3461 131.171248 18.154309 3.94 42911 74442 2016-11-06
ζ1 Cnc Tegmine HR 3208 123.053160 17.647821 4.67 40167 68255 2016-09-12
55 Cnc Copernicus HR 3522 133.149212 28.330820 5.95 43587 75732 2015-12-15
α2 CVn Cor Caroli HR 4915 194.006943 38.318376 2.89 63125 112413 2016-07-20
β CVn Chara HR 4785 188.435603 41.357479 4.24 61317 109358 2016-07-20
α CMa Sirius HR 2491 101.287155 -16.716116 -1.44 32349 48915 2016-06-30
β CMa Mirzam HR 2294 95.674939 -17.955919 1.98 30324 44743 2016-07-20
γ CMa Muliphein HR 2657 105.939554 -15.633286 4.11 34045 53244 2016-08-21
δ CMa Wezen HR 2693 107.097850 -26.393200 1.83 34444 54605 2016-07-20
ε CMa Adhara HR 2618 104.656453 -28.972086 1.50 33579 52089 2016-08-21
ζ CMa Furud HR 2282 95.078300 -30.063367 3.02 30122 44402 2016-07-20
η CMa Aludra HR 2827 111.023760 -29.303106 2.45 35904 58350 2016-07-20
α CMi Procyon HR 2943 114.825493 5.224993 0.40 37279 61421 2016-06-30
β CMi Gomeisa HR 2845 111.787674 8.289316 2.89 36188 58715 2016-07-20
α2 Cap Algedi HR 7754 304.513566 -12.544852 3.58 100064 192947 2016-08-21
β1 Cap Dabih HR 7776 305.252803 -14.781405 3.05 100345 193495 2016-08-21
γ Cap Nashira HR 8278 325.022735 -16.662308 3.69 106985 206088 2016-08-21
α Car Canopus HR 2326 95.987958 -52.695661 -0.62 30438 45348 2016-06-30
β Car Miaplacidus HR 3685 138.299906 -69.717208 1.67 45238 80007 2016-07-20
ε Car Avior HR 3307 125.628480 -59.509484 1.86 41037 71129 2016-07-20
ι Car Aspidiske HR 3699 139.272529 -59.275232 2.21 45556 80404 2016-07-20
α Cas Schedar HR 168 10.126838 56.537331 2.24 3179 3712 2016-08-21
β Cas Caph HR 21 2.294522 59.149781 2.28 746 432 2016-06-30
δ Cas Ruchbah HR 403 21.453964 60.235284 2.66 6686 8538 2016-08-21
α Cen A Rigil Kentaurus HR 5459 219.902066 -60.833975 -0.01 71683 128620 2016-11-06
α Cen C Proxima Centauri GJ 551 217.428953 -62.679484 11.01 70890 999999 2016-08-21
β Cen Hadar HR 5267 210.955856 -60.373035 0.61 68702 122451 2016-08-21
θ Cen Menkent HR 5288 211.670617 -36.369958 2.06 68933 123139 2016-08-21
α Cep Alderamin HR 8162 319.644885 62.585574 2.45 105199 203280 2016-07-20
β Cep Alfirk HR 8238 322.164987 70.560715 3.23 106032 205021 2016-08-21
γ Cep Errai HR 8974 354.836655 77.632313 3.21 116727 222404 2015-12-15
ξ Cep Kurhah HR 8417 330.947724 64.627971 4.26 108917 209790 2016-09-12
α Cet Menkar HR 911 45.569885 4.089737 2.54 14135 18884 2016-06-30
β Cet Diphda HR 188 10.897379 -17.986606 2.04 3419 4128 2016-08-21
ζ Cet Baten Kaitos HR 539 27.865137 -10.335044 3.74 8645 11353 2016-09-12
ο Cet Mira HR 681 34.836617 -2.977640 6.47 10826 14386 2016-06-30
α Col Phact HR 1956 84.912254 -34.074110 2.65 26634 37795 2016-07-20
β Col Wazn HR 2040 87.739968 -35.768310 3.12 27628 39425 2016-07-20
α CrB Alphecca HR 5793 233.671950 26.714693 2.22 76267 139006 2016-07-20
β CrB Nusakan HR 5747 231.957211 29.105699 3.66 75695 137909 2016-09-12
α Crv Alchiba HR 4623 182.103402 -24.728875 4.02 59199 105452 2016-09-12
γ Crv Gienah HR 4662 183.951543 -17.541929 2.58 59803 106625 2016-11-06
δ Crv Algorab HR 4757 187.466063 -16.515431 2.94 60965 108767 2016-07-20
α Crt Alkes HR 4287 164.943604 -18.298783 4.08 53740 95272 2016-09-12
α Cru Aa Acrux HR 4730 186.649563 -63.099093 1.33 60718 108248 2016-07-20
β Cru Mimosa HR 4853 191.930263 -59.688764 1.25 62434 111123 2016-07-20
γ Cru Gacrux HR 4763 187.791498 -57.113213 1.59 61084 108903 2016-07-20
α Cyg Deneb HR 7924 310.357980 45.280339 1.25 102098 197345 2016-06-30
β1 Cyg Albireo HR 7417 292.680351 27.959692 3.05 95947 183912 2016-07-20
γ Cyg Sadr HR 7796 305.557091 40.256679 2.23 100453 194093 2016-08-21
π1 Cyg Azelfafage HR 8301 325.523602 51.189623 4.69 107136 206672 2016-09-12
α Del Sualocin HR 7906 309.909530 15.912073 3.77 101958 196867 2016-09-12
β Del Rotanev HR 7882 309.387235 14.595115 3.64 101769 196524 2016-09-12
18 Del Musica HR 8030 314.608058 10.839286 5.48 103527 199665 2015-12-15
α Dra Thuban HR 5291 211.097291 64.375851 3.67 68756 123299 2016-06-30
β Dra Rastaban HR 6536 262.608174 52.301389 2.79 85670 159181 2016-08-21
γ Dra Eltanin HR 6705 269.151541 51.488896 2.24 87833 164058 2016-08-21
δ Dra Altais HR 7310 288.138750 67.661541 3.07 94376 180711 2016-08-21
ξ Dra Grumium HR 6688 268.382207 56.872646 3.73 87585 163588 2016-09-12
ι Dra Edasich HR 5744 231.232396 58.966063 3.29 75458 137759 2015-12-15
42 Dra Fafnir HR 6945 276.496406 65.563480 4.82 90344 170693 2015-12-15
α Equ Kitalpha HR 8131 318.955949 5.247865 3.92 104987 202447 2016-08-21
α Eri Achernar HR 472 24.428523 -57.236753 0.45 7588 10144 2016-06-30
β Eri Cursa HR 1666 76.962440 -5.086446 2.78 23875 33111 2016-07-20
γ Eri Zaurak HR 1231 59.507360 -13.508516 2.97 18543 25025 2016-07-20
ε Eri Ran HR 1084 53.232687 -9.458259 3.73 16537 22049 2015-12-15
ζ Eri Zibal HR 984 48.958436 -8.819731 4.80 15197 20320 2016-09-12
η Eri Azha HR 874 44.106873 -8.898145 3.89 13701 18322 2016-09-12
θ Eri Acamar HR 897 44.565311 -40.304672 2.88 13847 18622 2016-07-20
ο1 Eri Beid HR 1298 62.966415 -6.837580 4.04 19587 26574 2016-09-12
ο2 Eri Keid HR 1325 63.817999 -7.652872 4.43 19849 26965 2016-09-12
α Gem Castor HR 2891 113.649428 31.888276 1.98 36850 60179 2016-06-30
β Gem Pollux HR 2990 116.328958 28.026199 1.16 37826 62509 2016-06-30
γ Gem Alhena HR 2421 99.427960 16.399280 1.93 31681 47105 2016-07-20
δ Gem Wasat HR 2777 110.030749 21.982316 3.50 35550 56986 2016-08-21
ε Gem Mebsuta HR 2473 100.983026 25.131127 3.06 32246 48329 2016-07-20
ζ Gem Mekbuda HR 2650 106.027215 20.570295 4.01 34088 52973 2016-09-12
η Gem Propus HR 2216 93.719405 22.506794 3.31 29655 42995 2016-07-20
α Gru Alnair HR 8425 332.058270 -46.960974 1.73 109268 209952 2016-07-20
α1 Her Rasalgethi HR 6406 258.661910 14.390333 3.37 84345 156014 2016-06-30
β Her Kornephoros HR 6148 247.554998 21.489611 2.78 80816 148856 2016-08-21
δ Her Sarin HR 6410 258.757963 24.839204 3.12 84379 156164 2016-09-12
λ Her Maasym HR 6526 262.684626 26.110645 4.41 85693 158899 2016-09-12
- Her Ogma HD 149026 247.623409 38.347311 8.16 80838 149026 2015-12-15
α Hya Alphard HR 3748 141.896847 -8.658602 1.99 46390 81797 2016-07-20
α Leo Regulus HR 3982 152.092962 11.967209 1.36 49669 87901 2016-06-30
β Leo Denebola HR 4534 177.264910 14.572058 2.14 57632 102647 2016-06-30
γ1 Leo Algieba HR 4057 154.993144 19.841489 2.61 50583 89484 2016-07-20
δ Leo Zosma HR 4357 168.527089 20.523718 2.56 54872 97603 2016-07-20
ζ Leo Adhafera HR 4031 154.172567 23.417312 3.43 50335 89025 2016-07-20
θ Leo Chertan HR 4359 168.560019 15.429571 3.33 54879 97633 2016-07-20
μ Leo Rasalas HR 3905 148.190903 26.006953 3.88 48455 85503 2016-09-12
ο Leo Subra HR 3852 145.287640 9.892308 3.52 47508 83808 2016-09-12
α Lep Arneb HR 1865 83.182567 -17.822289 2.58 25985 36673 2016-07-20
β Lep Nihal HR 1829 82.061346 -20.759441 2.81 25606 36079 2016-07-20
α2 Lib Zubenelgenubi HR 5531 222.719638 -16.041777 2.75 72622 130841 2016-08-21
β Lib Zubeneschamali HR 5685 229.251724 -9.382914 2.61 74785 135742 2016-08-21
α Lyr Vega HR 7001 279.234735 38.783689 0.03 91262 172167 2016-06-30
β Lyr Sheliak HR 7106 282.519978 33.362668 3.52 92420 174638 2016-08-21
γ Lyr Sulafat HR 7178 284.735928 32.689557 3.25 93194 176437 2016-08-21
α Oph Rasalhague HR 6556 263.733627 12.560035 2.08 86032 159561 2016-07-20
β Oph Cebalrai HR 6603 265.868136 4.567300 2.76 86742 161096 2016-08-21
δ Oph Yed Prior HR 6056 243.586411 -3.694323 2.73 79593 146051 2016-10-05
ε Oph Yed Posterior HR 6075 244.580374 -4.692510 3.23 79882 146791 2016-10-05
η Oph Sabik HR 6378 257.594529 -15.724907 2.43 84012 155125 2016-08-21
λ Oph Marfik HR 6149 247.728453 1.983888 3.82 80883 148857 2016-09-12
α Ori Betelgeuse HR 2061 88.792939 7.407064 0.45 27989 39801 2016-06-30
β Ori Rigel HR 1713 78.634467 -8.201638 0.18 24436 34085 2016-06-30
γ Ori Bellatrix HR 1790 81.282764 6.349703 1.64 25336 35468 2016-06-30
δ Ori Mintaka HR 1852 83.001667 -0.299095 2.25 25930 36486 2016-07-20
ε Ori Alnilam HR 1903 84.053389 -1.201919 1.69 26311 37128 2016-07-20
ζ Ori Alnitak HR 1948 85.189694 -1.942574 1.74 26727 37742 2016-07-20
κ Ori Saiph HR 2004 86.939120 -9.669605 2.07 27366 38771 2016-07-20
λ Ori Meissa HR 1879 83.784486 9.934156 3.39 26207 36861 2016-07-20
α Pav Peacock HR 7790 306.411904 -56.735090 1.94 100751 193924 2016-07-20
α Peg Markab HR 8781 346.190223 15.205267 2.49 113963 218045 2016-06-30
β Peg Scheat HR 8775 345.943572 28.082785 2.44 113881 217906 2016-06-30
γ Peg Algenib HR 39 3.308963 15.183594 2.83 1067 886 2016-06-30
ε Peg Enif HR 8308 326.046484 9.875009 2.38 107315 206778 2016-07-20
ζ Peg Homam HR 8634 340.365503 10.831363 3.41 112029 214923 2016-08-21
η Peg Matar HR 8650 340.750579 30.221244 2.93 112158 215182 2016-08-21
θ Peg Biham HR 8450 332.549939 6.197863 3.52 109427 210418 2016-08-21
μ Peg Sadalbari HR 8684 342.500809 24.601577 3.51 112748 216131 2016-08-21
51 Peg Helvetios HR 8729 344.366583 20.768831 5.49 113357 217014 2015-12-15
α Per Mirfak HR 1017 51.080709 49.861179 1.79 15863 20902 2016-07-20
β Per Algol HR 936 47.042215 40.955648 2.09 14576 19356 2016-06-30
ξ Per Menkib HR 1228 59.741253 35.791032 3.98 18614 24912 2016-09-12
ο Per Atik HR 1131 56.079720 32.288240 3.84 17448 23180 2016-09-12
α Phe Ankaa HR 99 6.570939 -42.306084 2.40 2081 2261 2016-07-20
α Psc Alrescha HR 596 30.511772 2.763735 3.82 9487 12446 2016-08-21
α PsA Fomalhaut HR 8728 344.412693 -29.622237 1.17 113368 216956 2015-12-15
ζ Pup Naos HR 3165 120.896031 -40.003148 2.21 39429 66811 2016-08-21
ρ Pup Tureis HR 3185 121.886037 -24.304324 2.83 39757 67523 2016-09-12
α Sco Antares HR 6134 247.351915 -26.432003 1.06 80763 148478 2016-06-30
β1 Sco Acrab HR 5984 241.359300 -19.805453 2.56 78820 144217 2016-08-21
δ Sco Dschubba HR 5953 240.083359 -22.621710 2.29 78401 143275 2016-08-21
θ Sco Sargas HR 6553 264.329711 -42.997824 1.86 86228 159532 2016-08-21
λ Sco Shaula HR 6527 263.402167 -37.103824 1.62 85927 158926 2016-07-20
υ Sco Lesath HR 6508 262.690979 -37.295813 2.70 85696 158408 2016-08-21
α Sge Sham HR 7479 295.024133 18.013891 4.39 96757 185758 2016-09-12
α Sgr Rukbat HR 7348 290.971570 -40.615940 3.96 95347 181869 2016-07-20
β1 Sgr Arkab Prior HR 7337 290.659551 -44.458959 3.96 95241 181454 2016-10-05
β2 Sgr Arkab Posterior HR 7343 290.804740 -44.799779 4.27 95294 181623 2016-10-05
γ Sgr Alnasl HR 6746 271.452025 -30.424100 2.98 88635 165135 2016-08-21
δ Sgr Kaus Media HR 6859 275.248508 -29.828104 2.72 89931 168454 2016-07-20
ε Sgr Kaus Australis HR 6879 276.042993 -34.384616 1.79 90185 169022 2016-07-20
ζ Sgr Ascella HR 7194 285.653043 -29.880063 2.60 93506 176687 2016-09-12
λ Sgr Kaus Borealis HR 6913 276.992668 -25.421701 2.82 90496 169916 2016-07-20
σ Sgr Nunki HR 7121 283.816360 -26.296724 2.05 92855 175191 2016-08-21
α Ser Unukalhai HR 5854 236.066976 6.425629 2.63 77070 140573 2016-08-21
θ1 Ser Alya HR 7141 284.054949 4.203602 4.62 92946 175638 2016-08-21
α Tau Aldebaran HR 1457 68.980163 16.509302 0.87 21421 29139 2016-06-30
β Tau Elnath HR 1791 81.572971 28.607452 1.65 25428 35497 2016-07-20
ε Tau Ain HR 1409 67.154163 19.180435 3.53 20889 28305 2015-12-15
η Tau Alcyone HR 1165 56.871152 24.105136 2.85 17702 23630 2016-06-30
16 Tau Celaeno HR 1140 56.200893 24.289468 5.45 17489 23288 2016-08-21
17 Tau Electra HR 1142 56.218904 24.113336 3.72 17499 23302 2016-08-21
19 Tau Taygeta HR 1145 56.302063 24.467270 4.30 17531 23338 2016-08-21
20 Tau Maia HR 1149 56.456695 24.367751 3.87 17573 23408 2016-07-20
21 Tau Asterope HR 1151 56.476987 24.554512 5.76 17579 23432 2016-08-21
23 Tau Merope HR 1156 56.581552 23.948348 4.14 17608 23480 2016-07-20
27 Tau Atlas HR 1178 57.290597 24.053415 3.62 17847 23850 2016-08-21
28 Tau Pleione HR 1180 57.296738 24.136710 5.05 17851 23862 2016-06-30
α Tri Mothallah HR 544 28.270450 29.578826 3.42 8796 11443 2016-08-21
α TrA Atria HR 6217 252.166229 -69.027712 1.91 82273 150798 2016-07-20
α UMa Dubhe HR 4301 165.931965 61.751035 1.81 54061 95689 2016-06-30
β UMa Merak HR 4295 165.460319 56.382426 2.34 53910 95418 2016-06-30
γ UMa Phecda HR 4554 178.457679 53.694758 2.41 58001 103287 2016-07-20
δ UMa Megrez HR 4660 183.856503 57.032615 3.32 59774 106591 2016-06-30
ε UMa Alioth HR 4905 193.507290 55.959823 1.76 62956 112185 2016-06-30
ζ UMa Mizar HR 5054 200.981429 54.925362 2.23 65378 116656 2016-06-30
η UMa Alkaid HR 5191 206.885157 49.313267 1.85 67301 120315 2016-06-30
ι UMa Talitha HR 3569 134.801890 48.041826 3.12 44127 76644 2016-07-20
λ UMa Tania Borealis HR 4033 154.274095 42.914356 3.45 50372 89021 2016-07-20
μ UMa Tania Australis HR 4069 155.582250 41.499519 3.06 50801 89758 2016-07-20
ν UMa Alula Borealis HR 4377 169.619737 33.094305 3.49 55219 98262 2016-07-20
ξ UMa Alula Australis HR 4375 169.545423 31.529161 4.41 55203 98231 2016-07-20
ο UMa Muscida HR 3323 127.566128 60.718170 3.35 41704 71369 2016-07-20
47 UMa Chalawan HR 4277 164.866553 40.430256 5.03 53721 95128 2015-12-15
80 UMa Alcor HR 5062 201.306403 54.987954 3.99 65477 116842 2016-06-30
- UMa Intercrus HR 3743 142.166618 45.601482 5.41 46471 81688 2015-12-15
α UMi Polaris HR 424 37.954561 89.264109 1.97 11767 8890 2016-06-30
β UMi Kochab HR 5563 222.676357 74.155504 2.07 72607 131873 2016-07-20
γ UMi Pherkad HR 5735 230.182150 71.834017 3.00 75097 137422 2016-08-21
δ UMi Yildun HR 6789 263.054126 86.586462 4.35 85822 166205 2016-08-21
λ Vel Suhail HR 3634 136.998993 -43.432589 2.23 44816 78647 2016-08-21
α Vir Spica HR 5056 201.298247 -11.161319 0.98 65474 116658 2016-06-30
β Vir Zavijava HR 4540 177.673826 1.764717 3.59 57757 102870 2016-08-21
γ Vir Porrima HR 4825 190.415181 -1.449373 2.74 61941 110379 2016-07-20
ε Vir Vindemiatrix HR 4932 195.544157 10.959149 2.85 63608 113226 2016-07-20
η Vir Zaniah HR 4689 184.976476 -0.666793 3.89 60129 107259 2016-09-12
ι Vir Syrma HR 5338 214.003623 -6.000545 4.07 69701 124850 2016-09-12
- Vir Lich PSR B1257+12 195.012701 12.682417 - - - 2015-12-15

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