g 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

  4. The Washington Visual Double Star Catalog, 1996.0


catalogues and names g Men, HR 1953, HD 37763, SAO 256201, FK5: 214, WDS 05319-7620
constellation Mensa

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


position, motion, parallax:

position (J2000) RA: 5h 31min 52,9sec DEC: -76° 20' 28''
position (J1900) RA: 5h 35min 50,3sec DEC: -76° 24' 45''
proper motion (J2000) RA: 0,111 arcsec/a DEC: 0,283 arcsec/a
radial velocity 57 km/s
note: variable radial velocity
trigonometric parallax 0,02 arcsec

magnitude

visual magnitude 5,19
(V on UBV Johnson system)

spectral / color information

spectral class K2III
B-V-magnitude 1,13
U-B-magnitude 1,19
R-I-magnitude 0,55

double/multiple star system information

separation 38,2 arcsec
mag difference (of double or brightest multiple) 6
note Worley (1978) update of the IDS

miscellaneous information

note (category: group membership): Sigma Pup group.

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

position, motion, parallax:

position (J2000) RA: 5h 31min 52,935sec DEC: -76° 20' 27,65'' ±0,06 arcsec source: 15
proper motion (J2000) RA: 0,0314 arcsec/a DEC: 0,283 arcsec/a source: 25
radial velocity 57 km/s source: 25
trigonometric parallax 0,02 ±0,002 arcsec source: 25
galactic coord. (B1950) longitude: 287,93° latitude: -30,97°
GCI unit vector (J2000) X: 0,028899 Y: 0,234368 Z: -0,971718

magnitude:

visual 5,19 (observed) source: 25
photovisual 5,1 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan K2III source: 25
B-magnitude 6,32 ±0,05 B-V-magnitude 1,13
U-magnitude 7,51 ±0,05 U-B-magnitude 1,19

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 46 arcsec
magnitude difference between brightest and second brightest component 5,9
position angle 136 °

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
19 WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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 33min 51,219sec DEC: -76° 22' 40,31'' ±0,012 arcsec
position (J2000) RA: 5h 31min 53,032sec DEC: -76° 20' 27,61''
proper motion J1950 (FK4) RA: 0,0318 arcsec/a DEC: 0,285 arcsec/a ±0,004 arcsec/a in RA
±0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0325 arcsec/a DEC: 0,283 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,1 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

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

catalogues

source catalogue FK4, catalogue number: 214
Durchmusterung CP-76 333
Boss General Catalogue 6966
Henry Draper Catalogue 37763

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 5h 31,9min DEC: -76° 20'
proper motion (J2000) RA: 0,111 arcsec/a DEC: 0,283 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
- 1918 2 107° 38,2'' 5,19 11,1 K2III HJ 3795
1984 136° 46''

discoverer information:

discoverer code discoverer reference
HJ 3795 Herschel, J. -

notes:

note Gamma Men.