a Chamaeleontis


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 Cha, HR 3318, HD 71243, SAO 256496
constellation Chamaeleon

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


position, motion, parallax:

position (J2000) RA: 8h 18min 31,6sec DEC: -76 55' 11''
position (J1900) RA: 8h 21min 6,7sec DEC: -76 36' 13''
proper motion (J2000) RA: 0,11 arcsec/a DEC: 0,108 arcsec/a
radial velocity -14 km/s
rotational velocity 36 km/s (uncertain) (variable)
trigonometric parallax 0,053 arcsec

magnitude

visual magnitude 4,07
(V on UBV Johnson system)

spectral / color information

spectral class F5III
B-V-magnitude 0,39
U-B-magnitude -0,02
R-I-magnitude 0,23

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

position, motion, parallax:

position (J2000) RA: 8h 18min 31,663sec DEC: -76 55' 10,47'' 0,19 arcsec source: 16
proper motion (J2000) RA: 0,0339 arcsec/a DEC: 0,121 arcsec/a source: 25
radial velocity -14 km/s source: 25
trigonometric parallax 0,053 0,005 arcsec source: 25
galactic coord. (B1950) longitude: 289,86 latitude: -21,68
GCI unit vector (J2000) X: -0,128617 Y: 0,186219 Z: -0,974053

magnitude:

visual 4,07 (observed) source: 25
photovisual 3,7 source: 16
photographic 4,5 source: 2

spectral information:

spectral class F5 source: 96
Morgan-Keenan F5III source: 25
B-magnitude 4,46 0,05 B-V-magnitude 0,39
U-magnitude 4,44 0,05 U-B-magnitude -0,02

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
16 PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
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 19min 51,079sec DEC: -76 45' 44,05'' 0,022 arcsec
position (J2000) RA: 8h 18min 31,63sec DEC: -76 55' 10,79''
proper motion J1950 (FK4) RA: 0,0328 arcsec/a DEC: 0,108 arcsec/a 0,004 arcsec/a in RA
0,004 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0326 arcsec/a DEC: 0,108 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,1 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class F5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 11419
Durchmusterung CP-76 507
Boss General Catalogue 11419
Henry Draper Catalogue 71243