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 Peg, 68 Peg, HR 8905, HD 220657, SAO 91253, BD +22 4833, FK5: 881
constellation	Pegasus

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

position, motion, parallax:

position (J2000)	RA: 23h 25min 22.8sec	DEC: +23° 24' 15''
position (B1900)	RA: 23h 20min 23.2sec	DEC: +22° 51' 13''
proper motion (J2000)	RA: 0.193 arcsec/a	DEC: 0.037 arcsec/a
radial velocity	-11 km/s
rotational velocity	79 km/s (uncertain) (variable)
trigonometric parallax	0.036 arcsec
galactic coordinates	longitude: 98.55°	latitude: -35.36°

magnitude

visual magnitude

4.4 (V on UBV Johnson system)

spectral / color information

spectral class	F8III
B-V-magnitude	0.61
U-B-magnitude	0.14
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

miscellaneous information

note (category: group membership):

Hyades moving group.

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

position, motion, parallax:

position (J2000)	RA: 23h 25min 22.789sec	DEC: +23° 24' 14.81''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.014 arcsec/a	DEC: 0.036 arcsec/a		source: 25
radial velocity	-11 km/s			source: 25
trigonometric parallax	0.036 arcsec		±0.004 arcsec	source: 25
galactic coord. (B1950)	longitude: 98.56°	latitude: -35.36°

magnitude:

visual	4.4 (observed)	source: 25
photovisual	4.6	source: 2

spectral information:

spectral class	G0		source: 96
Morgan-Keenan	F8III		source: 25
B-magnitude	5.01 ±0.05	B-V-magnitude	0.61
U-magnitude	5.15 ±0.05	U-B-magnitude	0.14

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: 23h 22min 52.799sec	DEC: +23° 7' 43.2''	±0.004 arcsec
position (J2000)	RA: 23h 25min 22.786sec	DEC: +23° 24' 14.95''
proper motion B1950 (FK4)	RA: 0.014 arcsec/a	DEC: 0.043 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.014 arcsec/a	DEC: 0.038 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.6 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	G0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 881
Durchmusterung	BD+22 4833
Boss General Catalogue	32585
Henry Draper Catalogue	220657