170:. With the advent of photography the number of variables piled up quickly, and variable star names soon fell into the Bayer trap of reaching the end of the alphabet while still having stars to name. After two subsequent supplementary double-lettering systems hit similar limits, numbers were finally introduced.
185:
in Moscow, Russia. Sternberg publishes the
General Catalog of Variable Stars (GCVS), which is periodically (approximately once every two years) amended by the publication of a new "Name-List" of variable stars. For example, in December 2011 the 80th Name-List of Variable Stars, Part II, was released,
133:
had used uppercase R to Z letters in a few cases, for example X Puppis (HR 2548), these designations were either dropped or accepted as variable star designations. The star T Puppis was accepted by
Argelander as a variable star and is included in the
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containing designations for 2,161 recently discovered variable stars; these brought the total number of variable stars in the GCVS to 45,678. Among the newly designated objects were V0654 Aurigae, V1367 Centauri, and BU Coronae
Borealis.
182:
129:, the letter R was chosen as a starting point so as to avoid confusion with letter spectral types or the (now rarely used) Latin-letter Bayer designations. Although
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Lost Stars: Lost, Missing, and
Troublesome Stars from the Catalogues of Johannes Bayer, Nicholas-Louis de Lacaille, John Flamsteed, and Sundry Others
499:
441:
Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data
Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)".
410:
Kazarovets, E. V.; Samus, N. N. (2013). "Novae in the 80th Name-list of
Variable Stars (Part 3): Official Announcement of GCVS Names".
163:, both meaning "red", because many variable stars known at that time appear red. However, Argelander's own statement disproves this.
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125:. Because very few constellations contained stars with uppercase Latin-letter Bayer designation greater than
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Abandon the Latin script after 334 combinations of letters and start naming stars with V335, V336, and so on.
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Use AA...AZ, BB...BZ, CC...CZ and so on until reaching QZ, omitting J in both the first and second positions.
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for a list of constellations and the genitive forms of their names. The identifying label can be one or two
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In the early 19th century few variable stars were known, so it seemed reasonable to use the letters of the
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Chapman, David M. F. (1999). "Reflections: F.W.A. Argelander - Star Charts and
Variable Stars".
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Stars with existing Greek letter Bayer designations are not given new designations.
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VizieR On-line Data
Catalog: B/GCVS. Originally Published in: 2009yCat....102025S
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As with all categories of astronomical objects, names are assigned by the
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format, with an identifying label (as described below) preceding the
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By 1836, even the letter S had only been used in one constellation,
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Continue with RR...RZ, then use SS...SZ, TT...TZ and so on until ZZ.
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274:. McDonald & Woodward Publishing Company. pp. viii+540.
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than the first, e.g., no star can be BA, CA, CB, DA and so on.
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with that designation but is now classed as non-variable.
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Institute of
Astronomy of the Russian Academy of Sciences
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The second letter is never nearer the beginning of the
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Otherwise, start with the letter R and go through Z.
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463:"The names and catalogues of variable stars"
371:"The names and catalogues of variable stars"
258:"I" and "J" can be difficult to distinguish.
226:. Cambridge University Press. pp. 46–.
329:. Hipp. Lud.Guerin & Lud. Fr. Delatour.
467:Les étoiles variables - The variable stars
177:(IAU). The IAU delegates the task to the
69:plus a number (e.g. V399). Examples are
27:Unique identifier given to variable stars
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500:Objects with variable star designations
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246:Most of this system was invented in
223:David Levy's Guide to Variable Stars
323:Nicolas-Louis de La Caille (1763).
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136:General Catalogue of Variable Stars
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220:David H. Levy (15 December 2005).
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179:Sternberg Astronomical Institute
175:International Astronomical Union
38:is a unique identifier given to
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89:The current naming system is:
42:. It uses a variation on the
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57:in which the star lies. See
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326:Coelum australe stelliferum
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254:at the time, in which the
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36:variable-star designation
18:Variable star designation
147:Friedrich W. Argelander
268:Morton Wagman (2003).
59:List of constellations
391:"GCVS RESEARCH GROUP"
250:, which was still on
455:2009yCat....102025S
424:2013PZ.....33....3K
354:1999JRASC..93...17C
280:2003lslm.book.....W
141:This variable star
53:of the name of the
71:R Coronae Borealis
495:Stellar astronomy
412:Peremennye Zvezdy
289:978-0-939923-78-6
233:978-0-521-60860-2
145:was developed by
143:naming convention
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79:V603 Aquilae
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484:Categories
472:2005-11-06
449:: B/gcvs.
396:2018-11-16
376:2018-11-16
256:majuscules
207:References
308:ignored (
298:cite book
32:astronomy
418:(3): 3.
190:See also
181:and the
131:Lacaille
111:alphabet
51:genitive
451:Bibcode
420:Bibcode
350:Bibcode
276:Bibcode
252:Fraktur
248:Germany
168:Serpens
117:History
75:YZ Ceti
348:: 17.
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230:
158:French
151:German
85:Naming
161:rouge
63:Latin
48:Latin
310:help
284:ISBN
228:ISBN
34:, a
156:or
154:rot
30:In
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