Lists of stars by constellation

All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky. Although there are only 88 IAU constellations, the sky is actually divided into 89 irregularly shaped boxes as the constellation Serpens is split into two separate sections, Serpens Caput (the snake's head) to the west and Serpens Cauda (the snake's tail) to the east.

The only star that does not belong to a constellation is the Sun. The Sun travels through the 13 constellations along the ecliptic, the 12 of the Zodiac and Ophiuchus.

Among the remaining stars, the nearer ones exhibit proper motion, so it is only a matter of time before some of them cross a constellation boundary and switch constellations as a consequence. In 1992, Rho Aquilae became the first star to have its Bayer designation "invalidated" by moving to a neighbouring constellation—it is now a star of the constellation Delphinus.^[1]

Lists of stars by constellation

Stars are listed in the appropriate lists for the constellation, as follows:

Criteria of inclusion

• Stars named with a Bayer, Flamsteed, HR, or Draper (not from the supplements) designation.
• Stellar extremes or otherwise noteworthy stars.
• Notable variable stars (prototypes, rare or otherwise important).
• Nearest stars (<20 ly).
• Stars with planets.
• Notable neutron stars, black holes, and other exotic stellar objects/remnants.

Note that these lists are currently unfinished, and there may be stars missing that satisfy these conditions. If you come across one, please feel free to add it.

See also

• Lists of astronomical objects
• Lists of constellations
• Lists of stars
• Lists of star names
• List of proper names of stars (IAU-accepted names)

References

• The Astronomical Almanac (2000).
• Roy L. Bishop, ed., The Observer's Almanac 1991, The Royal Astronomical Society of Canada.
• Burnham's Celestial Handbook: An Observer's Guide to the Universe Beyond the Solar System, Vols. 1, 2, 3 (Dover Pubns, 1978).
• N. D. Kostjuk, HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index (2002) (CDS Catalogue IV/27).

External links

• Online Planetarium - The Sky – Free interactive star chart based on location
• Alphabetical listing of constellations
• Star Names
• Star Names by constellation
• Stars: Index of Proper Names
• Studies of Occidental Constellations and Star Names to the Classical Period: An Annotated Bibliography
• (Un)Common Star Names

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