b Mensae

The object was found in the following catalogues:
  1. The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

  2. SKY2000 - Master Star Catalog

  3. Smithsonian Astrophysical Observatory Star Catalog

catalogues and names b Men, HR 1677, HD 33285, SAO 256154, FK5: 2380
constellation Mensa

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


position, motion, parallax:

position (J2000) RA: 5h 2min 43sec DEC: -71° 18' 52''
position (J1900) RA: 5h 4min 0,4sec DEC: -71° 27' 3''
proper motion (J2000) RA: -0,005 arcsec/a DEC: 0,004 arcsec/a
radial velocity -11 km/s
trigonometric parallax 0,013 arcsec

magnitude

visual magnitude 5,31
(V on UBV Johnson system)

spectral / color information

spectral class G8III
B-V-magnitude 1
U-B-magnitude 0,77

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

position, motion, parallax:

position (J2000) RA: 5h 2min 42,978sec DEC: -71° 18' 51,77'' ±0,22 arcsec source: 15
proper motion (J2000) RA: -0,001 arcsec/a DEC: 0,004 arcsec/a source: 25
radial velocity -11 km/s source: 25
trigonometric parallax 0,013 ±0,001 arcsec source: 25
galactic coord. (B1950) longitude: 282,77° latitude: -34,21°
GCI unit vector (J2000) X: 0,079246 Y: 0,31042 Z: -0,947291

magnitude:

visual 5,31 (observed) source: 25
photovisual 5,3 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan G8III source: 25
B-magnitude 6,31 ±0,05 B-V-magnitude 1
U-magnitude 7,08 ±0,05 U-B-magnitude 0,77

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 (J1950) RA: 5h 3min 21,302sec DEC: -71° 22' 58,14'' ±0,026 arcsec
position (J2000) RA: 5h 2min 43,092sec DEC: -71° 18' 50,03''
proper motion J1950 (FK4) RA: 0,0007 arcsec/a DEC: 0,025 arcsec/a ±0,006 arcsec/a in RA
±0,006 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0001 arcsec/a DEC: 0,026 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 Harvard or San Luis photometry.

spectral information:

spectral class K0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 6232
Durchmusterung CP-71 309
Boss General Catalogue 6232
Henry Draper Catalogue 33285