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Include IAU star names #16

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Adding star names from the IAU
Paul Sztajer committed Jun 14, 2019
commit 324c53922c30ae37d8607c208a6eddaebf80415e
4 changes: 2 additions & 2 deletions README.md
Original file line number Diff line number Diff line change
@@ -31,8 +31,8 @@ Fields in the database:
4. hr: The star's ID in the Harvard Revised catalog, which is the same as its number in the Yale Bright Star Catalog.
5. gl: The star's ID in the third edition of the Gliese Catalog of Nearby Stars.
6. bf: The Bayer / Flamsteed designation, primarily from the Fifth Edition of the Yale Bright Star Catalog. This is a combination of the two designations. The Flamsteed number, if present, is given first; then a three-letter abbreviation for the Bayer Greek letter; the Bayer superscript number, if present; and finally, the three-letter constellation abbreviation. Thus Alpha Andromedae has the field value "21Alp And", and Kappa1 Sculptoris (no Flamsteed number) has "Kap1Scl".
7. ra, dec: The star's right ascension and declination, for epoch and equinox 2000.0.
8. proper: A common name for the star, such as "Barnard's Star" or "Sirius". I have taken these names primarily from the Hipparcos project's web site, which lists representative names for the 150 brightest stars and many of the 150 closest stars. I have added a few names to this list. Most of the additions are designations from catalogs mostly now forgotten (e.g., Lalande, Groombridge, and Gould ["G."]) except for certain nearby stars which are still best known by these designations.
7. ra, dec: The star's right ascension and declination, for epoch and equinox 2000.0.
8. proper: A common name for the star, such as "Barnard's Star" or "Sirius". These are taken from the International Astronomical Union (https://www.iau.org/public/themes/naming_stars/, specifically, I'm using a formatted version from https://github.com/mirandadam/iau-starnames)
9. dist: The star's distance in parsecs, the most common unit in astrometry. To convert parsecs to light years, multiply by 3.262. A value >= 100000 indicates missing or dubious (e.g., negative) parallax data in Hipparcos.
10. pmra, pmdec: The star's proper motion in right ascension and declination, in milliarcseconds per year.
11. rv: The star's radial velocity in km/sec, where known.
450 changes: 225 additions & 225 deletions hygdata_v3.csv

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