g1Caeli


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

  4. The Washington Visual Double Star Catalog, 1996.0


catalogues and names g1Cae, HR 1652, HD 32831, SAO 195532, WDS 05044-3529
constellation Caelum

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


position, motion, parallax:

position (J2000) RA: 5h 4min 24,4sec DEC: -35 29' 0''
position (J1900) RA: 5h 0min 48,5sec DEC: -35 37' 11''
proper motion (J2000) RA: 0,129 arcsec/a DEC: -0,051 arcsec/a
radial velocity -3 km/s
note: variable radial velocity
trigonometric parallax 0,013 arcsec
note (category: dynamical parallaxes): 0.005".

magnitude

visual magnitude 4,55
(V on UBV Johnson system)

spectral / color information

spectral class K3III
B-V-magnitude 1,2
U-B-magnitude 1,2
R-I-magnitude 0,65

variability information

variable star identification Var?
note (category: variability): Secondary probably variable.

double/multiple star system information

separation 3 arcsec
mag difference (of double or brightest multiple) 4,1
note Worley (1978) update of the IDS

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

position, motion, parallax:

position (J2000) RA: 5h 4min 24,377sec DEC: -35 28' 58,61'' 0,19 arcsec source: 16
proper motion (J2000) RA: 0,0099 arcsec/a DEC: -0,04 arcsec/a source: 25
radial velocity -3 km/s source: 25
trigonometric parallax 0,013 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 238,6 latitude: -36,23
GCI unit vector (J2000) X: 0,195593 Y: 0,790448 Z: -0,580461

magnitude:

visual 4,55 (observed) source: 25
photovisual 3,8 source: 16

spectral information:

spectral class K0 source: 96
Morgan-Keenan K3III source: 25
B-magnitude 5,75 0,05 B-V-magnitude 1,2
U-magnitude 6,95 0,05 U-B-magnitude 1,2

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 3,2 arcsec
magnitude difference between brightest and second brightest component 3,5
position angle 309

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
19 WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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: 5h 2min 36,381sec DEC: -35 33' 1,69'' 0,022 arcsec
position (J2000) RA: 5h 4min 24,396sec DEC: -35 28' 59,52''
proper motion J1950 (FK4) RA: 0,01 arcsec/a DEC: -0,05 arcsec/a 0,004 arcsec/a in RA
0,004 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0105 arcsec/a DEC: -0,051 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,6 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class K0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

remarks for duplicity and variability

Double star in Aitken's Double Star Catalogue (Aitken 1932)

catalogues

source catalogue GC, catalogue number: 6212
Durchmusterung CD-35 2089
Boss General Catalogue 6212
Henry Draper Catalogue 32831

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 5h 4,4min DEC: -35 29'
proper motion (J2000) RA: 0,128 arcsec/a DEC: -0,04 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
- 1847 33 316 2,9'' 4,7 8,2 K3III JC 9
1983 309 3,2''

discoverer information:

discoverer code discoverer reference
JC 9 Jacob, W.S. -

notes:

note Gamma (1) Cae. The secondary is variable (Inf. Bull. Var. Stars 2736, 1985).