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	n Vir, nu Vir, 3 Vir, HR 4517, HD 102212, SAO 119035, BD +7 2479, FK5: 1302
constellation	Virgo

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

position, motion, parallax:

position (J2000)	RA: 11h 45min 51.6sec	DEC: +6° 31' 46''
position (B1900)	RA: 11h 40min 43.1sec	DEC: +7° 5' 23''
proper motion (J2000)	RA: -0.018 arcsec/a	DEC: -0.184 arcsec/a
radial velocity	51 km/s note: suspected variable radial velocity
trigonometric parallax	0.014 arcsec
galactic coordinates	longitude: 262.86°	latitude: 64.18°

magnitude

visual magnitude

4.03 (V on UBV Johnson system)

spectral / color information

spectral class	M1IIIab
B-V-magnitude	1.51
U-B-magnitude	1.79
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

note (category: spectra):

Ultraviolet FeII emission.

variability information

variable star identification

5318

note (category: variability):

Amp. 0.08V.

miscellaneous information

note (category: stellar radii or diameters):

Occultation diam. = 0.00565".

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

position, motion, parallax:

position (J2000)	RA: 11h 45min 51.563sec	DEC: +6° 31' 45.55''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.0012 arcsec/a	DEC: -0.184 arcsec/a		source: 25
radial velocity	51 km/s			source: 25
trigonometric parallax	0.014 arcsec		±0.001 arcsec	source: 25
galactic coord. (B1950)	longitude: 262.88°	latitude: 64.18°

magnitude:

visual	4.03 (observed)	source: 25
photovisual	4.2	source: 2

spectral information:

spectral class	M0		source: 96
Morgan-Keenan	M1III		source: 25
B-magnitude	5.54 ±0.05	B-V-magnitude	1.51
U-magnitude	7.33 ±0.05	U-B-magnitude	1.79

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: 11h 43min 17.34sec	DEC: +6° 48' 34.72''	±0.005 arcsec
position (J2000)	RA: 11h 45min 51.557sec	DEC: +6° 31' 45.63''
proper motion B1950 (FK4)	RA: -0.0014 arcsec/a	DEC: -0.187 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0013 arcsec/a	DEC: -0.183 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	M0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1302
Durchmusterung	BD+07 2479
Boss General Catalogue	16135
Henry Draper Catalogue	102212