a Horologii

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 a Hor, HR 1326, HD 26967, SAO 216710, FK5: 155
constellation Horologium

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


object is infrared source (uncertain identification)

position, motion, parallax:

position (J2000) RA: 4h 14min 0,1sec DEC: -42° 17' 40''
position (J1900) RA: 4h 10min 41,2sec DEC: -42° 32' 27''
proper motion (J2000) RA: 0,046 arcsec/a DEC: -0,209 arcsec/a
radial velocity 22 km/s
trigonometric parallax 0,026 arcsec

magnitude

visual magnitude 3,86
(V on UBV Johnson system)

spectral / color information

spectral class K1III
B-V-magnitude 1,1
U-B-magnitude 1
R-I-magnitude 0,59

miscellaneous information

note (category: group membership): Wolf 630 group.

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

position, motion, parallax:

position (J2000) RA: 4h 14min 0,126sec DEC: -42° 17' 40'' ±0,06 arcsec source: 15
proper motion (J2000) RA: 0,0042 arcsec/a DEC: -0,209 arcsec/a source: 25
radial velocity 22 km/s source: 25
trigonometric parallax 0,026 ±0,003 arcsec source: 25
galactic coord. (B1950) longitude: 246,87° latitude: -46,41°
GCI unit vector (J2000) X: 0,330045 Y: 0,661983 Z: -0,672941

magnitude:

visual 3,86 (observed) source: 25
photovisual 3,8 source: 2
photographic 4,8 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan K1III source: 25
B-magnitude 4,96 ±0,05 B-V-magnitude 1,1
U-magnitude 5,96 ±0,05 U-B-magnitude 1

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: 4h 12min 20,591sec DEC: -42° 25' 0,31'' ±0,009 arcsec
position (J2000) RA: 4h 14min 0,122sec DEC: -42° 17' 40,18''
proper motion J1950 (FK4) RA: 0,0036 arcsec/a DEC: -0,208 arcsec/a ±0,002 arcsec/a in RA
±0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0042 arcsec/a DEC: -0,211 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,8 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class K0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 155
Durchmusterung CD-42 1425
Boss General Catalogue 5121
Henry Draper Catalogue 26967