b Volantis
catalogues and names | b Vol, NSV 04088, HR 3347, HD 71878, SAO 250228, FK5: 319 |
constellation | Volans |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 8h 25min 44,2sec | DEC: -66° 8' 13'' |
position (J1900) | RA: 8h 24min 39sec | DEC: -65° 48' 10'' |
proper motion (J2000) | RA: -0,036 arcsec/a | DEC: -0,155 arcsec/a |
radial velocity | 27 km/s | |
trigonometric parallax | 0,042 arcsec |
magnitude
visual magnitude | 3,77 (V on UBV Johnson system) |
spectral / color information
spectral class | K1III |
B-V-magnitude | 1,13 |
U-B-magnitude | 1,14 |
R-I-magnitude | 0,56 |
variability information
variable star identification | 4088 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 8h 25min 44,194sec | DEC: -66° 8' 13,02'' | ±0,06 arcsec | source: 15 |
proper motion (J2000) | RA: -0,0059 arcsec/a | DEC: -0,155 arcsec/a | source: 25 | |
radial velocity | 27 km/s | source: 25 | ||
trigonometric parallax | 0,042 | ±0,004 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 280,26° | latitude: -15,84° | ||
GCI unit vector (J2000) | X: -0,240263 | Y: 0,325478 | Z: -0,914515 |
magnitude:
visual | 3,77 (observed) | source: 25 |
photovisual | 3,7 | source: 2 |
photographic | 4,7 | source: 2 |
spectral information:
spectral class | K0 | source: 96 | |
Morgan-Keenan | K1III | source: 25 | |
B-magnitude | 4,9 ±0,05 | B-V-magnitude | 1,13 |
U-magnitude | 6,04 ±0,05 | U-B-magnitude | 1,14 |
variability information:
variability type | 9 |
var. amplitude | 0,03 |
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: 8h 25min 11,955sec | DEC: -65° 58' 11'' | ±0,012 arcsec |
position (J2000) | RA: 8h 25min 44,195sec | DEC: -66° 8' 13,25'' | |
proper motion J1950 (FK4) | RA: -0,0052 arcsec/a | DEC: -0,161 arcsec/a | ±0,003 arcsec/a in RA ±0,002 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0,0059 arcsec/a | DEC: -0,157 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 | K0 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | FK4, catalogue number: 319 |
Durchmusterung | CP-65 933 |
Boss General Catalogue | 11567 |
Henry Draper Catalogue | 71878 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
position (J1950) | RA: 8h 25min 12sec | DEC: -65° 58' 11'' |
variability informations:
magnitute at max. brightness | 3,76 |
magnitute at min. brightness | 3,79 |
photometric system | visual, photovisual or Johnson's V |
spectral information
spectral class | K2 |
references
to a study | 2592D (designation: BETA VOL) |
miscanellous
There are notes in the published catalog (Kukarkin et al.(1982)). |