b Pavonis


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 Pav, HR 7913, HD 197051, SAO 254862, FK5: 775
constellation Pavo

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


position, motion, parallax:

position (J2000) RA: 20h 44min 57,5sec DEC: -66 12' 11''
position (J1900) RA: 20h 35min 57sec DEC: -66 33' 45''
proper motion (J2000) RA: -0,046 arcsec/a DEC: 0,012 arcsec/a
radial velocity 10 km/s
rotational velocity 86 km/s (uncertain) (variable)
trigonometric parallax 0,035 arcsec

magnitude

visual magnitude 3,42
(V on UBV Johnson system)

spectral / color information

spectral class A7III
B-V-magnitude 0,16
U-B-magnitude 0,12

miscellaneous information

note (category: group membership): Sirius group?

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

position, motion, parallax:

position (J2000) RA: 20h 44min 57,47sec DEC: -66 12' 11,44'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0076 arcsec/a DEC: 0,011 arcsec/a source: 25
radial velocity 10 km/s source: 25
trigonometric parallax 0,035 0,003 arcsec source: 25
galactic coord. (B1950) longitude: 328,96 latitude: -36,01
GCI unit vector (J2000) X: 0,265987 Y: -0,303412 Z: -0,914982

magnitude:

visual 3,42 (observed) source: 25
photovisual 3,6 source: 2
photographic 3,7 source: 2

spectral information:

spectral class A5 source: 96
Morgan-Keenan A7III source: 25
B-magnitude 3,58 0,05 B-V-magnitude 0,16
U-magnitude 3,7 0,05 U-B-magnitude 0,12

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: 20h 40min 28,662sec DEC: -66 23' 5,42'' 0,01 arcsec
position (J2000) RA: 20h 44min 57,468sec DEC: -66 12' 11,1''
proper motion J1950 (FK4) RA: -0,0061 arcsec/a DEC: 0,017 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0075 arcsec/a DEC: 0,015 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,6 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class A5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 775
Durchmusterung CP-66 3501
Boss General Catalogue 28862
Henry Draper Catalogue 197051