q Carinae

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 q Car, HR 4199, HD 93030, SAO 251083, FK5: 406
constellation Carina

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

object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 10h 42min 57,4sec DEC: -64 23' 40''
position (J1900) RA: 10h 39min 23,3sec DEC: -63 52' 14''
proper motion (J2000) RA: -0,023 arcsec/a DEC: 0,01 arcsec/a
radial velocity 24 km/s
note: spectroscopic binaries
rotational velocity 151 km/s (uncertain) (variable)


visual magnitude 2,76
(V on UBV Johnson system)

spectral / color information

spectral class B0Vp
B-V-magnitude -0,22
U-B-magnitude -1,01
R-I-magnitude -0,23
note (category: spectra): Lyman beta observed from COPERNICUS. Nitrogen enhanced. Moderately He-rich.
note (category: colors): Color excess E(B-V) = +0.06.

variability information

note (category: variability): Spectrum var., 1.7788d. Discussion of earlier suspected period of 0.7045d given by Walborn (1979, PASP, 91, 442). vsini 202k/s. High speed mass ejection.

miscellaneous information

note (category: group membership): In cluster IC 2602 #37.

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

position, motion, parallax:

position (J2000) RA: 10h 42min 57,368sec DEC: -64 23' 40,08'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0035 arcsec/a DEC: 0,01 arcsec/a source: 25
radial velocity 24 km/s source: 25
galactic coord. (B1950) longitude: 289,6 latitude: -4,9
GCI unit vector (J2000) X: -0,407982 Y: 0,142561 Z: -0,901791


visual 2,76 (observed) source: 25
photovisual 3 source: 2
photographic 2,8 source: 2

spectral information:

spectral class B0 source: 96
Morgan-Keenan B0Vp source: 25
B-magnitude 2,54 0,05 B-V-magnitude -0,22
U-magnitude 1,53 0,05 U-B-magnitude -1,01


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: 10h 41min 10,052sec DEC: -64 7' 55,36'' 0,01 arcsec
position (J2000) RA: 10h 42min 57,334sec DEC: -64 23' 39,86''
proper motion J1950 (FK4) RA: -0,0032 arcsec/a DEC: 0,008 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0038 arcsec/a DEC: 0,012 arcsec/a
source of proper motion data Determined by source catalog


visual 3 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class B0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.


source catalogue FK4, catalogue number: 406
Durchmusterung CP-63 1599
Boss General Catalogue 14755
Henry Draper Catalogue 93030