a Reticuli


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. The Washington Visual Double Star Catalog, 1996.0


catalogues and names a Ret, HR 1336, HD 27256, SAO 248969, FK5: 156, WDS 04144-6228
constellation Reticulum

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


position, motion, parallax:

position (J2000) RA: 4h 14min 25,5sec DEC: -62 28' 26''
position (J1900) RA: 4h 13min 8,1sec DEC: -62 43' 27''
proper motion (J2000) RA: 0,045 arcsec/a DEC: 0,045 arcsec/a
radial velocity 36 km/s
note: spectroscopic binaries
trigonometric parallax 0,013 arcsec

magnitude

visual magnitude 3,35
(V on UBV Johnson system)

spectral / color information

spectral class G8II-III
B-V-magnitude 0,91
U-B-magnitude 0,63
R-I-magnitude 0,44

double/multiple star system information

separation 48,5 arcsec
mag difference (of double or brightest multiple) 8,6
note Worley (1978) update of the IDS

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

position, motion, parallax:

position (J2000) RA: 4h 14min 25,488sec DEC: -62 28' 25,85'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0065 arcsec/a DEC: 0,045 arcsec/a source: 25
radial velocity 36 km/s source: 25
trigonometric parallax 0,013 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 274,31 latitude: -41,65
GCI unit vector (J2000) X: 0,205445 Y: 0,413978 Z: -0,8868

magnitude:

visual 3,35 (observed) source: 25
photovisual 3,4 source: 2
photographic 4,1 source: 2

spectral information:

spectral class G5 source: 96
Morgan-Keenan G8II-III source: 25
B-magnitude 4,26 0,05 B-V-magnitude 0,91
U-magnitude 4,89 0,05 U-B-magnitude 0,63

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 48,6 arcsec
magnitude difference between brightest and second brightest component 8,6
position angle 354

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
19 WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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 13min 46,543sec DEC: -62 35' 55,04'' 0,01 arcsec
position (J2000) RA: 4h 14min 25,509sec DEC: -62 28' 25,6''
proper motion J1950 (FK4) RA: 0,0067 arcsec/a DEC: 0,05 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0067 arcsec/a DEC: 0,048 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,4 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class G5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 156
Durchmusterung CP-62 332
Boss General Catalogue 5164
Henry Draper Catalogue 27256

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 4h 14,4min DEC: -62 28'
proper motion (J2000) RA: 0,045 arcsec/a DEC: 0,045 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
- 1917 2 354 48,6'' 3,35 12 G8II-III HJ 3638

discoverer information:

discoverer code discoverer reference
HJ 3638 Herschel, J. -

notes:

note Alpha Ret. Possible spectroscopic binary.