catalogues and names

The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

SKY2000 - Master Star Catalog

Smithsonian Astrophysical Observatory Star Catalog

catalogues and names

catalogues and names	b Crt, 11 Crt, HR 4343, HD 97277, SAO 179624, BD -22 3095, FK5: 421
constellation	Crater

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

position, motion, parallax:

position (J2000)	RA: 11h 11min 39.5sec	DEC: -22° 49' 33''
position (B1900)	RA: 11h 6min 44.3sec	DEC: -22° 16' 47''
proper motion (J2000)	RA: 0.003 arcsec/a	DEC: -0.1 arcsec/a
radial velocity	6 km/s note: spectroscopic binaries
rotational velocity	58 km/s (uncertain) (variable)
trigonometric parallax	0.051 arcsec
galactic coordinates	longitude: 274.78°	latitude: 34.53°

magnitude

visual magnitude

4.48 (V on UBV Johnson system)

spectral / color information

spectral class	A2III
B-V-magnitude	0.03
U-B-magnitude	0.06
R-I-magnitude

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

position, motion, parallax:

position (J2000)	RA: 11h 11min 39.492sec	DEC: -22° 49' 33.1''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.0002 arcsec/a	DEC: -0.1 arcsec/a		source: 25
radial velocity	6 km/s			source: 25
trigonometric parallax	0.051 arcsec		±0.005 arcsec	source: 25
galactic coord. (B1950)	longitude: 274.79°	latitude: 34.53°

magnitude:

visual	4.48 (observed)	source: 25
photovisual	4.5	source: 2
photographic	4.6	source: 2

spectral information:

spectral class	A2		source: 96
Morgan-Keenan	A2III		source: 25
B-magnitude	4.51 ±0.05	B-V-magnitude	0.03
U-magnitude	4.57 ±0.05	U-B-magnitude	0.06

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
15	FK5, FK5 Extension and FK5 Supplement
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991
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 9min 11.73sec	DEC: -22° 33' 8.99''	±0.005 arcsec
position (J2000)	RA: 11h 11min 39.493sec	DEC: -22° 49' 32.87''
proper motion B1950 (FK4)	RA: 0 arcsec/a	DEC: -0.102 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0002 arcsec/a	DEC: -0.097 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.5 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	A2
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 421
Durchmusterung	BD-22 3095
Boss General Catalogue	15385
Henry Draper Catalogue	97277