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	r Cet, 72 Cet, HR 708, HD 15130, SAO 148385, BD -12 451, FK5: 1066
constellation	Cetus

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

position, motion, parallax:

position (J2000)	RA: 2h 25min 57sec	DEC: -12° 17' 26''
position (B1900)	RA: 2h 21min 7.1sec	DEC: -12° 44' 29''
proper motion (J2000)	RA: -0.01 arcsec/a	DEC: -0.009 arcsec/a
radial velocity	10 km/s note: variable radial velocity
rotational velocity	191 km/s (uncertain) (variable)
trigonometric parallax	0.029 arcsec
galactic coordinates	longitude: 183.75°	latitude: -63.35°

magnitude

visual magnitude

4.89 (V on UBV Johnson system)

spectral / color information

spectral class	B9.5Vn
B-V-magnitude	-0.03
U-B-magnitude	-0.07
R-I-magnitude

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

position, motion, parallax:

position (J2000)	RA: 2h 25min 57.005sec	DEC: -12° 17' 25.72''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.0007 arcsec/a	DEC: -0.009 arcsec/a		source: 25
radial velocity	10 km/s			source: 25
trigonometric parallax	0.029 arcsec		±0.003 arcsec	source: 25
galactic coord. (B1950)	longitude: 183.75°	latitude: -63.35°

magnitude:

visual	4.89 (observed)	source: 25
photovisual	4.9	source: 2
photographic	4.9	source: 2

spectral information:

spectral class	A0		source: 96
Morgan-Keenan	B9.5Vn		source: 25
B-magnitude	4.86 ±0.05	B-V-magnitude	-0.03
U-magnitude	4.79 ±0.05	U-B-magnitude	-0.07

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: 2h 23min 31.955sec	DEC: -12° 30' 54.3''	±0.006 arcsec
position (J2000)	RA: 2h 25min 56.996sec	DEC: -12° 17' 25.72''
proper motion B1950 (FK4)	RA: -0.0012 arcsec/a	DEC: -0.007 arcsec/a	±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0008 arcsec/a	DEC: -0.009 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.9 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	A0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1066
Durchmusterung	BD-12 451
Boss General Catalogue	2932
Henry Draper Catalogue	15130