b Octantis

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 Oct, HR 8630, HD 214846, SAO 258941, FK5: 924
constellation Octans

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


position, motion, parallax:

position (J2000) RA: 22h 46min 3,3sec DEC: -81° 22' 54''
position (J1900) RA: 22h 35min 51,2sec DEC: -81° 54' 21''
proper motion (J2000) RA: -0,067 arcsec/a DEC: -0,001 arcsec/a
radial velocity 24 km/s
note: spectroscopic binaries
rotational velocity 71 km/s (uncertain) (variable)

magnitude

visual magnitude 4,15
(V on UBV Johnson system)

spectral / color information

spectral class A9IV-V
B-V-magnitude 0,2
U-B-magnitude 0,11
R-I-magnitude 0,1

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

position, motion, parallax:

position (J2000) RA: 22h 46min 3,35sec DEC: -81° 22' 53,91'' ±0,06 arcsec source: 15
proper motion (J2000) RA: -0,0297 arcsec/a DEC: -0,001 arcsec/a source: 25
radial velocity 24 km/s source: 25
galactic coord. (B1950) longitude: 308,35° latitude: -34,38°
GCI unit vector (J2000) X: 0,14212 Y: -0,047514 Z: -0,988708

magnitude:

visual 4,15 (observed) source: 25
photovisual 4,3 source: 2
photographic 4,6 source: 2

spectral information:

spectral class F0 source: 96
Morgan-Keenan A9IV-V source: 25
B-magnitude 4,35 ±0,05 B-V-magnitude 0,2
U-magnitude 4,46 ±0,05 U-B-magnitude 0,11

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: 22h 41min 4,412sec DEC: -81° 38' 41,05'' ±0,008 arcsec
position (J2000) RA: 22h 46min 3,249sec DEC: -81° 22' 53,76''
proper motion J1950 (FK4) RA: -0,0284 arcsec/a DEC: 0,006 arcsec/a ±0,002 arcsec/a in RA
±0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0306 arcsec/a DEC: 0 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,3 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class F0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 924
Durchmusterung CP-82 889
Boss General Catalogue 31712
Henry Draper Catalogue 214846