g Camelopardalis

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 g Cam, HR 1148, HD 23401, SAO 5006, FK5: 138, WDS 03504+7120A
constellation Camelopardalis

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


position, motion, parallax:

position (J2000) RA: 3h 50min 21,5sec DEC: +71° 19' 56''
position (J1900) RA: 3h 39min 47,7sec DEC: +71° 1' 27''
proper motion (J2000) RA: 0,017 arcsec/a DEC: -0,042 arcsec/a
radial velocity -1 km/s
note: variable radial velocity
rotational velocity 189 km/s (uncertain) (variable)
trigonometric parallax 0,012 arcsec

magnitude

visual magnitude 4,63
(V on UBV Johnson system)

spectral / color information

spectral class A2IVn
B-V-magnitude 0,03
U-B-magnitude 0,07
R-I-magnitude 0,04

double/multiple star system information

number of components of multiple star system 3
separation 106,3 arcsec
mag difference (of double or brightest multiple) 3,9
component ID AC
note Worley (1978) update of the IDS

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

position, motion, parallax:

position (J2000) RA: 3h 50min 21,5sec DEC: +71° 19' 56,16'' ±0,06 arcsec source: 15
proper motion (J2000) RA: 0,0035 arcsec/a DEC: -0,043 arcsec/a source: 25
radial velocity -1 km/s source: 25
trigonometric parallax 0,012 ±0,001 arcsec source: 25
galactic coord. (B1950) longitude: 136,32° latitude: 13,27°
GCI unit vector (J2000) X: 0,171556 Y: 0,270221 Z: 0,947391

magnitude:

visual 4,63 (observed) source: 25
photovisual 4,7 source: 2

spectral information:

spectral class A0 source: 96
Morgan-Keenan A2IVn source: 25
B-magnitude 4,66 ±0,05 B-V-magnitude 0,03
U-magnitude 4,73 ±0,05 U-B-magnitude 0,07

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 56,2 arcsec
magnitude difference between brightest and second brightest component 7,8
position angle 240 °

component magnitude spectral class catalogue(s)/name(s)
A 4,63 A0 g Camelopardalis, HR 1148, HD 23401, SAO 5006
B 8,59 F8

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
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: 3h 45min 2,619sec DEC: +71° 10' 51,59'' ±0,004 arcsec
position (J2000) RA: 3h 50min 21,513sec DEC: +71° 19' 56,2''
proper motion J1950 (FK4) RA: 0,0044 arcsec/a DEC: -0,037 arcsec/a ±0,001 arcsec/a in RA
±0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0036 arcsec/a DEC: -0,042 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,7 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

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

catalogues

source catalogue FK4, catalogue number: 138
Durchmusterung BD+70 259
Boss General Catalogue 4557
Henry Draper Catalogue 23401

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

position and proper motion:

position (J2000) RA: 3h 50,4min DEC: +71° 20'
proper motion (J2000) RA: 0,017 arcsec/a DEC: -0,043 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
AB 1904 2 240° 56,2'' 4,63 12,4 A2IVn HJ 2200
AC 1909 2 84° 106,2'' 4,7 8,6 - HJ 2200
1984 85° -

discoverer information:

discoverer code discoverer reference
HJ 2200 Herschel, J. -

notes:

note Gamma Cam.