g2Fornacis


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 g2For, HR 845, HD 17729, SAO 168082
constellation Fornax

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


position, motion, parallax:

position (J2000) RA: 2h 49min 54,2sec DEC: -27 56' 30''
position (J1900) RA: 2h 45min 34,2sec DEC: -28 21' 25''
proper motion (J2000) RA: 0,047 arcsec/a DEC: 0,028 arcsec/a
radial velocity 24 km/s
rotational velocity 261 km/s (uncertain) (variable)
trigonometric parallax 0,025 arcsec

magnitude

visual magnitude 5,39
(V on UBV Johnson system)

spectral / color information

spectral class A0V
B-V-magnitude 0,02

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

position, motion, parallax:

position (J2000) RA: 2h 49min 54,22sec DEC: -27 56' 31,03'' 0,19 arcsec source: 16
proper motion (J2000) RA: 0,0046 arcsec/a DEC: 0,021 arcsec/a source: 25
radial velocity 24 km/s source: 25
trigonometric parallax 0,025 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 221,63 latitude: -63,79
GCI unit vector (J2000) X: 0,651578 Y: 0,596558 Z: -0,468577

magnitude:

visual 5,39 (observed) source: 25
photovisual 5,5 source: 16

spectral information:

spectral class A0 source: 96
Morgan-Keenan A0V source: 25
B-magnitude 5,41 0,05 B-V-magnitude 0,02

sources:

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: 2h 47min 44,149sec DEC: -28 8' 54,38'' 0,028 arcsec
position (J2000) RA: 2h 49min 54,159sec DEC: -27 56' 30,35''
proper motion J1950 (FK4) RA: 0,0033 arcsec/a DEC: 0,032 arcsec/a 0,006 arcsec/a in RA
0,005 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0036 arcsec/a DEC: 0,029 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,4 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class A0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 3405
Durchmusterung CD-28 903
Boss General Catalogue 3405
Henry Draper Catalogue 17729