a Antliae


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 a Ant, NSV 04862, HR 4104, HD 90610, SAO 201405, FK5: 392
constellation Antlia

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 27min 9,1sec DEC: -31 4' 4''
position (J1900) RA: 10h 22min 34,5sec DEC: -30 33' 31''
proper motion (J2000) RA: -0,075 arcsec/a DEC: 0,011 arcsec/a
radial velocity 12 km/s
note: spectroscopic binaries
trigonometric parallax 0,024 arcsec

magnitude

visual magnitude 4,25
(V on UBV Johnson system)

spectral / color information

spectral class K4III
B-V-magnitude 1,45
U-B-magnitude 1,63
R-I-magnitude 0,79

variability information

variable star identification 4862

miscellaneous information

note (category: group membership): Hyades group.

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

position, motion, parallax:

position (J2000) RA: 10h 27min 9,12sec DEC: -31 4' 4,11'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0058 arcsec/a DEC: 0,011 arcsec/a source: 25
radial velocity 12 km/s source: 25
trigonometric parallax 0,024 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 269,89 latitude: 22,39
GCI unit vector (J2000) X: -0,787221 Y: 0,337599 Z: -0,516052

magnitude:

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

spectral information:

spectral class K5 source: 96
Morgan-Keenan K4III source: 25
B-magnitude 5,7 0,05 B-V-magnitude 1,45
U-magnitude 7,33 0,05 U-B-magnitude 1,63

variability information:

source of data: 28
variability type 9
var. amplitude 0,07

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 24min 51,646sec DEC: -30 48' 45,3'' 0,008 arcsec
position (J2000) RA: 10h 27min 9,134sec DEC: -31 4' 3,89''
proper motion J1950 (FK4) RA: -0,0059 arcsec/a DEC: 0,009 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0057 arcsec/a DEC: 0,013 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

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

spectral information:

spectral class K5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 392
Durchmusterung CD-30 8465
Boss General Catalogue 14352
Henry Draper Catalogue 90610

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

position:

position (J1950) RA: 10h 24min 51,6sec DEC: -30 48' 45''

variability informations:

magnitute at max. brightness 4,22
magnitute at min. brightness 4,29
photometric system visual, photovisual or Johnson's V

spectral information

spectral class M0

references

to a study 0807D (designation: 67G ANT)

miscanellous

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