g Pyxidis


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 g Pyx, HR 3518, HD 75691, SAO 176559, FK5: 332
constellation Pyxis

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: 8h 50min 31,9sec DEC: -27 42' 36''
position (J1900) RA: 8h 46min 17,2sec DEC: -27 20' 20''
proper motion (J2000) RA: -0,13 arcsec/a DEC: 0,087 arcsec/a
radial velocity 25 km/s
trigonometric parallax 0,033 arcsec

magnitude

visual magnitude 4,01
(V on UBV Johnson system)

spectral / color information

spectral class K3-III
B-V-magnitude 1,27
U-B-magnitude 1,4
R-I-magnitude 0,67

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

position, motion, parallax:

position (J2000) RA: 8h 50min 31,935sec DEC: -27 42' 35,59'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0098 arcsec/a DEC: 0,087 arcsec/a source: 25
radial velocity 25 km/s source: 25
trigonometric parallax 0,033 0,003 arcsec source: 25
galactic coord. (B1950) longitude: 251,58 latitude: 10,33
GCI unit vector (J2000) X: -0,599623 Y: 0,651331 Z: -0,464995

magnitude:

visual 4,01 (observed) source: 25
photovisual 4,2 source: 2

spectral information:

spectral class K2 source: 96
Morgan-Keenan K2.5III source: 25
B-magnitude 5,28 0,05 B-V-magnitude 1,27
U-magnitude 6,68 0,05 U-B-magnitude 1,4

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
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 48min 24,519sec DEC: -27 31' 24,55'' 0,009 arcsec
position (J2000) RA: 8h 50min 31,942sec DEC: -27 42' 35,71''
proper motion J1950 (FK4) RA: -0,01 arcsec/a DEC: 0,082 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0097 arcsec/a DEC: 0,086 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

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

spectral information:

spectral class K2
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 332
Durchmusterung CD-27 5986
Boss General Catalogue 12216
Henry Draper Catalogue 75691