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	m Eri, 57 Eri, HR 1520, HD 30211, SAO 131468, BD -3 876, FK5: 176
constellation	Eridanus

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

position, motion, parallax:

position (J2000)	RA: 4h 45min 30.1sec	DEC: -3° 15' 17''
position (B1900)	RA: 4h 40min 30sec	DEC: -3° 26' 16''
proper motion (J2000)	RA: 0.016 arcsec/a	DEC: -0.013 arcsec/a
radial velocity	9 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	140 km/s (uncertain) (variable)
galactic coordinates	longitude: 200.53°	latitude: -29.34°

magnitude

visual magnitude

4.02 (V on UBV Johnson system)

spectral / color information

spectral class	B5IV
B-V-magnitude	-0.15
U-B-magnitude	-0.6
R-I-magnitude

double/multiple star system information

note (category: spectroscopic binaries):

B3, A3, 7.3589d, K 19.4k/s, V0 +23.3k/s, asini 1.90.

miscellaneous information

note (category: group membership):

Member of the local association (Pleiades group); Cas-Tau OB1.

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

position, motion, parallax:

position (J2000)	RA: 4h 45min 30.146sec	DEC: -3° 15' 16.75''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.001 arcsec/a	DEC: -0.013 arcsec/a		source: 25
radial velocity	9 km/s			source: 25
galactic coord. (B1950)	longitude: 200.53°	latitude: -29.34°

magnitude:

visual	4.02 (observed)	source: 25
photovisual	4.2	source: 2
photographic	4.1	source: 2

spectral information:

spectral class	B5		source: 96
Morgan-Keenan	B5IV		source: 25
B-magnitude	3.87 ±0.05	B-V-magnitude	-0.15
U-magnitude	3.27 ±0.05	U-B-magnitude	-0.6

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: 4h 42min 59.993sec	DEC: -3° 20' 41.33''	±0.004 arcsec
position (J2000)	RA: 4h 45min 30.145sec	DEC: -3° 15' 16.65''
proper motion B1950 (FK4)	RA: 0.0007 arcsec/a	DEC: -0.011 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.001 arcsec/a	DEC: -0.012 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.2 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	B5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 176
Durchmusterung	BD-03 876
Boss General Catalogue	5796
Henry Draper Catalogue	30211