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	u Aqr, 59 Aqr, HR 8592, HD 213845, SAO 191235, BD -21 6251, FK5: 849
constellation	Aquarius

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

position, motion, parallax:

position (J2000)	RA: 22h 34min 41.6sec	DEC: -20° 42' 30''
position (B1900)	RA: 22h 29min 13.5sec	DEC: -21° 13' 14''
proper motion (J2000)	RA: 0.222 arcsec/a	DEC: -0.145 arcsec/a
radial velocity	-2 km/s
rotational velocity	18 km/s (uncertain) (variable)
trigonometric parallax	0.046 arcsec
galactic coordinates	longitude: 37.08°	latitude: -58.2°

magnitude

visual magnitude

5.2 (V on UBV Johnson system)

spectral / color information

spectral class	F4IV
B-V-magnitude	0.44
U-B-magnitude	0

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

position, motion, parallax:

position (J2000)	RA: 22h 34min 41.643sec	DEC: -20° 42' 29.55''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.0158 arcsec/a	DEC: -0.145 arcsec/a		source: 25
radial velocity	-2 km/s			source: 25
trigonometric parallax	0.046 arcsec		±0.005 arcsec	source: 25
galactic coord. (B1950)	longitude: 37.09°	latitude: -58.2°

magnitude:

visual	5.2 (observed)	source: 25
photovisual	5.3	source: 2
photographic	5.7	source: 2

spectral information:

spectral class	F5		source: 96
Morgan-Keenan	F4IV		source: 25
B-magnitude	5.64 ±0.05	B-V-magnitude	0.44
U-magnitude	5.64 ±0.05	U-B-magnitude	0

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: 22h 31min 57.688sec	DEC: -20° 57' 53.86''	±0.006 arcsec
position (J2000)	RA: 22h 34min 41.643sec	DEC: -20° 42' 29.59''
proper motion B1950 (FK4)	RA: 0.0158 arcsec/a	DEC: -0.142 arcsec/a	±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0159 arcsec/a	DEC: -0.145 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 the "Henry Draper Catalogue".

spectral information:

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

catalogues

source catalogue	FK4, catalogue number: 849
Durchmusterung	BD-21 6251
Boss General Catalogue	31516
Henry Draper Catalogue	213845