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	37 Cap, HR 8245, HD 205289, SAO 190461, BD -20 6237
constellation	Capricornus

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

position, motion, parallax:

position (J2000)	RA: 21h 34min 51sec	DEC: -20° 5' 4''
position (B1900)	RA: 21h 29min 14.1sec	DEC: -20° 31' 48''
proper motion (J2000)	RA: -0.037 arcsec/a	DEC: 0.031 arcsec/a
radial velocity	6 km/s note: suspected variable radial velocity
galactic coordinates	longitude: 30.88°	latitude: -44.7°

magnitude

visual magnitude

5.69 (V on UBV Johnson system)

spectral / color information

spectral class	F1V
B-V-magnitude	0.4
U-B-magnitude	-0.02

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

position, motion, parallax:

position (J2000)	RA: 21h 34min 51.07sec	DEC: -20° 5' 3.49''	±0.19 arcsec	source: 16
proper motion (J2000)	RA: -0.0017 arcsec/a	DEC: 0.039 arcsec/a		source: 25
radial velocity	6 km/s			source: 25
galactic coord. (B1950)	longitude: 30.89°	latitude: -44.7°

magnitude:

visual	5.69 (observed)	source: 25
photovisual	5.9	source: 16

spectral information:

spectral class	F5		source: 96
Morgan-Keenan	F1V		source: 25
B-magnitude	6.09 ±0.05	B-V-magnitude	0.4
U-magnitude	6.07 ±0.05	U-B-magnitude	-0.02

sources:

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: 21h 32min 2.703sec	DEC: -20° 18' 29.78''	±0.015 arcsec
position (J2000)	RA: 21h 34min 51.018sec	DEC: -20° 5' 3.91''
proper motion B1950 (FK4)	RA: -0.0027 arcsec/a	DEC: 0.034 arcsec/a	±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0026 arcsec/a	DEC: 0.031 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.8 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	F5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 30204
Durchmusterung	BD-20 6237
Boss General Catalogue	30204
Henry Draper Catalogue	205289