TY Corvi

data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)

note (category: star names):

31 Crt in Crv.

position, motion, parallax:

position (J2000)	RA: 12h 0min 51.2sec	DEC: -19° 39' 32''
position (B1900)	RA: 11h 55min 44.2sec	DEC: -19° 6' 8''
proper motion (J2000)	RA: -0.021 arcsec/a	DEC: 0.013 arcsec/a
radial velocity	2 km/s note: spectroscopic binaries note: orbital data avaible
rotational velocity	119 km/s (uncertain) (variable)
galactic coordinates	longitude: 286.92°	latitude: 41.63°

magnitude

visual magnitude

5.26
(V on UBV Johnson system)

spectral / color information

spectral class	B1.5V
B-V-magnitude	-0.2

double/multiple star system information

note (category: spectroscopic binaries):

2.9631d, K 120.5k/s, V0 +3k/s, msin3i 8.22, asini 4.90.

miscellaneous information

note (category: group membership):

Possible blue straggler in Hyades group.

note (category: miscellaneous):

Old disk population runaway star.

data from SKY2000 - Master Star Catalog (Myers+ 1997)

position, motion, parallax:

magnitude:

spectral information:

sources:

2	HD and HDE Catalogs
Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University
16	PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
25	Bright Star Catalogue, 5th edition
Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994
96	SAO or HD/HDE Catalog
Reference from Value 1 or Reference from Value 2

data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)

position and proper motion:

position (B1950)	RA: 11h 58min 17.515sec	DEC: -19° 22' 50.18''	ą0.022 arcsec
position (J2000)	RA: 12h 0min 51.18sec	DEC: -19° 39' 31.87''
proper motion B1950 (FK4)	RA: -0.0012 arcsec/a	DEC: 0.008 arcsec/a	ą0.004 arcsec/a in RA ą0.004 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.001 arcsec/a	DEC: 0.013 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.3 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	B3
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues