z1Antliae


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 z1Ant, HR 3780, HD 82383, SAO 200444, WDS 09308-3153B
constellation Antlia

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


position, motion, parallax:

position (J2000) RA: 9h 30min 45,4sec DEC: -31 53' 29''
position (J1900) RA: 9h 26min 28,7sec DEC: -31 27' 3''
proper motion (J2000) RA: -0,013 arcsec/a DEC: -0,026 arcsec/a
radial velocity -3 km/s
dynamical parallax 0,001 arcsec

magnitude

visual magnitude 7
(V on UBV Johnson system)

spectral / color information

spectral class A2V
B-V-magnitude 0,09
U-B-magnitude 0,09

double/multiple star system information

separation 8 arcsec
mag difference (of double or brightest multiple) 0,7
note Worley (1978) update of the IDS
note (category: double and multiple data): CPM with HR 3781.

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

position, motion, parallax:

position (J2000) RA: 9h 30min 45,79sec DEC: -31 53' 28,8'' 0,76 arcsec source: 18
proper motion (J2000) RA: 0,0017 arcsec/a DEC: -0,029 arcsec/a source: 25
radial velocity -3 km/s source: 25
galactic coord. (B1950) longitude: 260,7 latitude: 14,07
GCI unit vector (J2000) X: -0,675315 Y: 0,514624 Z: -0,52831

magnitude:

visual 7 (observed) source: 25
photovisual 5,1 source: 16

spectral information:

spectral class A0 source: 29
Morgan-Keenan A2V source: 25
B-magnitude 7,09 0,05 B-V-magnitude 0,09
U-magnitude 7,18 0,05 U-B-magnitude 0,09

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 8 arcsec
magnitude difference between brightest and second brightest component 0,6
position angle 212

component magnitude spectral class catalogue(s)/name(s)
A 6,18 A0 z1Antliae, HR 3781, HD 82384, SAO 200445
B 7 A0 z1Antliae, HR 3780, HD 82383, SAO 200444

sources:

16 PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
18 Hipparcos Input Catalog Version 2 Annex
Turon, C., et al., "The Hipparcos Input Catalog, Version 2," Centre de Donnees Stellaires Information Bulletin, Vol. 43, p. 5, 1993
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
29 SAOJ2000
SAO on FK5 at J2000, 1989

data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)

position and proper motion:

position (J1950) RA: 9h 28min 36,972sec DEC: -31 40' 13,06'' 0,057 arcsec
position (J2000) RA: 9h 30min 45,414sec DEC: -31 53' 28,71''
proper motion J1950 (FK4) RA: -0,0013 arcsec/a DEC: -0,029 arcsec/a 0,011 arcsec/a in RA
0,008 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,001 arcsec/a DEC: -0,026 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 7,2 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class A0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

remarks for duplicity and variability

Double star in Aitken's Double Star Catalogue (Aitken 1932)

catalogues

source catalogue GC, catalogue number: 13135
Durchmusterung CD-31 7355B
Boss General Catalogue 13135
Henry Draper Catalogue 82383

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

position and proper motion:

position (J2000) RA: 9h 30,8min DEC: -31 53'
proper motion (J2000) RA: -0,001 arcsec/a DEC: -0,07 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
- 1836 26 210 8'' 6,2 6,8 A1V A1V DUN 78
1985 212 -

discoverer information:

discoverer code discoverer reference
DUN 78 Dunlop, J. -

notes:

note Zeta (1) Ant.