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	o Aur, NSV 16651, 27 Aur, HR 1971, HD 38104, SAO 40583, BD +49 1398, FK5: 216
constellation	Auriga

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

position, motion, parallax:

position (J2000)	RA: 5h 45min 54sec	DEC: +49° 49' 35''
position (B1900)	RA: 5h 38min 9.1sec	DEC: +49° 46' 58''
proper motion (J2000)	RA: -0.01 arcsec/a	DEC: 0.001 arcsec/a
radial velocity	-6 km/s note: variable radial velocity
rotational velocity	30 km/s (uncertain) (variable)
trigonometric parallax	0.019 arcsec
galactic coordinates	longitude: 161.98°	latitude: 10.75°

magnitude

visual magnitude

5.47 (V on UBV Johnson system)

spectral / color information

spectral class	A2VpCr
B-V-magnitude	0.03
U-B-magnitude	0.07
R-I-magnitude

miscellaneous information

note (category: group membership):

UMa stream.

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

position, motion, parallax:

position (J2000)	RA: 5h 45min 54.038sec	DEC: +49° 49' 34.69''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.001 arcsec/a	DEC: 0.001 arcsec/a		source: 25
radial velocity	-6 km/s			source: 25
trigonometric parallax	0.019 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 161.98°	latitude: 10.75°

magnitude:

visual	5.47 (observed)	source: 25
photovisual	5.5	source: 2

spectral information:

spectral class	A0		source: 96
Morgan-Keenan	A2VpCr		source: 25
B-magnitude	5.5 ±0.05	B-V-magnitude	0.03
U-magnitude	5.57 ±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: 5h 42min 1.442sec	DEC: +49° 48' 24.6''	±0.004 arcsec
position (J2000)	RA: 5h 45min 54.033sec	DEC: +49° 49' 34.63''
proper motion B1950 (FK4)	RA: -0.001 arcsec/a	DEC: 0 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0011 arcsec/a	DEC: 0 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.5 (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: 216
Durchmusterung	BD+49 1398
Boss General Catalogue	7182
Henry Draper Catalogue	38104