a Volantis

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 a Vol, HR 3615, HD 78045, SAO 250422, FK5: 343
constellation Volans

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


position, motion, parallax:

position (J2000) RA: 9h 2min 26,8sec DEC: -66° 23' 46''
position (J1900) RA: 9h 0min 52,1sec DEC: -65° 59' 48''
proper motion (J2000) RA: -0,002 arcsec/a DEC: -0,096 arcsec/a
radial velocity 5 km/s
note: spectroscopic binaries, double lined spectra
rotational velocity 45 km/s (uncertain) (variable)
trigonometric parallax 0,051 arcsec

magnitude

visual magnitude 4
(V on UBV Johnson system)

spectral / color information

spectral class A2-3IVm
B-V-magnitude 0,14
U-B-magnitude 0,13
R-I-magnitude 0,06
note (category: spectra): Variously classified Am, A5III, A5V, and A2IV-Vm+A2IV-Vm.

miscellaneous information

note (category: group membership): Sirius group.

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

position, motion, parallax:

position (J2000) RA: 9h 2min 26,804sec DEC: -66° 23' 45,99'' ±0,06 arcsec source: 15
proper motion (J2000) RA: -0,0003 arcsec/a DEC: -0,096 arcsec/a source: 25
radial velocity 5 km/s source: 25
trigonometric parallax 0,051 ±0,005 arcsec source: 25
galactic coord. (B1950) longitude: 282,71° latitude: -13°
GCI unit vector (J2000) X: -0,28614 Y: 0,280095 Z: -0,916336

magnitude:

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

spectral information:

spectral class A5 source: 96
Morgan-Keenan A2-3IVm source: 25
B-magnitude 4,14 ±0,05 B-V-magnitude 0,14
U-magnitude 4,27 ±0,05 U-B-magnitude 0,13

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: 9h 1min 39,796sec DEC: -66° 11' 46,16'' ±0,012 arcsec
position (J2000) RA: 9h 2min 26,838sec DEC: -66° 23' 46,24''
proper motion J1950 (FK4) RA: 0,0007 arcsec/a DEC: -0,102 arcsec/a ±0,003 arcsec/a in RA
±0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0001 arcsec/a DEC: -0,098 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 A5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 343
Durchmusterung CP-65 1065
Boss General Catalogue 12532
Henry Draper Catalogue 78045