g Chamaeleontis


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. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names g Cha, NSV 04913, HR 4174, HD 92305, SAO 256731, FK5: 401
constellation Chamaeleon

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


object is infrared source (Engels et al., 1982)

position, motion, parallax:

position (J2000) RA: 10h 35min 28,1sec DEC: -78 36' 28''
position (J1900) RA: 10h 34min 17,3sec DEC: -78 5' 21''
proper motion (J2000) RA: -0,042 arcsec/a DEC: 0,014 arcsec/a
radial velocity -22 km/s
trigonometric parallax 0,009 arcsec

magnitude

visual magnitude 4,11
(V on UBV Johnson system)

spectral / color information

spectral class M0III
B-V-magnitude 1,58
U-B-magnitude 1,95
R-I-magnitude 0,97

variability information

variable star identification 4913

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

position, motion, parallax:

position (J2000) RA: 10h 35min 28,071sec DEC: -78 36' 27,97'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0142 arcsec/a DEC: 0,014 arcsec/a source: 25
radial velocity -22 km/s source: 25
trigonometric parallax 0,009 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 296,28 latitude: -17,53
GCI unit vector (J2000) X: -0,18424 Y: 0,071214 Z: -0,980298

magnitude:

visual 4,11 (observed) source: 25
photovisual 4,1 source: 2

spectral information:

spectral class M0 source: 96
Morgan-Keenan M0III source: 25
B-magnitude 5,69 0,05 B-V-magnitude 1,58
U-magnitude 7,64 0,05 U-B-magnitude 1,95

variability information:

source of data: 28
variability type 9
var. amplitude 0,4

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: 10h 34min 53,647sec DEC: -78 20' 53,72'' 0,011 arcsec
position (J2000) RA: 10h 35min 28,02sec DEC: -78 36' 27,65''
proper motion J1950 (FK4) RA: -0,013 arcsec/a DEC: 0,016 arcsec/a 0,003 arcsec/a in RA
0,003 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0148 arcsec/a DEC: 0,018 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,1 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class M0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 401
Durchmusterung CP-77 622
Boss General Catalogue 14604
Henry Draper Catalogue 92305

data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)

position:

position (J1950) RA: 10h 34min 53,6sec DEC: -78 20' 54''

variability informations:

magnitute at max. brightness 5,69
magnitute amplitude 0,4
photometric system

spectral information

spectral class M0

references

to a study 631809D (designation: HR 4174)

miscanellous

There are notes in the published catalog (Kukarkin et al.(1982)).