Ankaa

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 Ankaa, a Phe, HR 99, HD 2261, SAO 215093, FK5: 12
other names Nair al Zaurak, Cymbae, Lucida Cymbae, Head of Phoenix
constellation Phoenix

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

note (category: star names): ANKAA; Nair al Zaurak; Cymbae; Lucida Cymbae; Head of Phoenix.

object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 0h 26min 17sec DEC: -42° 18' 22''
position (J1900) RA: 0h 21min 20,5sec DEC: -42° 50' 56''
proper motion (J2000) RA: 0,203 arcsec/a DEC: -0,396 arcsec/a
radial velocity 75 km/s
note: spectroscopic binaries, single lined spectra
note: orbital data avaible
trigonometric parallax 0,035 arcsec

magnitude

visual magnitude 2,39
(V on UBV Johnson system)

spectral / color information

spectral class K0III
B-V-magnitude 1,09
U-B-magnitude 0,88
R-I-magnitude 0,6

double/multiple star system information

separation 0,1 arcsec
note astrometric binary
note (category: double and multiple data): A* 2.38 K0III, 10.538y, a = 0.072".
note (category: spectroscopic binaries): 3848.83d, K 5.8k/s, V0 +75.2k/s, asini 289.

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

position, motion, parallax:

position (J2000) RA: 0h 26min 17,03sec DEC: -42° 18' 21,81'' ±0,06 arcsec source: 15
proper motion (J2000) RA: 0,0183 arcsec/a DEC: -0,396 arcsec/a source: 25
radial velocity 75 km/s source: 25
trigonometric parallax 0,035 ±0,003 arcsec source: 25
galactic coord. (B1950) longitude: 320° latitude: -73,98°
GCI unit vector (J2000) X: 0,734702 Y: 0,084631 Z: -0,673091

magnitude:

visual 2,39 (observed) source: 25
photovisual 2,4 source: 2
photographic 3,4 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan K0IIIb source: 25
B-magnitude 3,48 ±0,05 B-V-magnitude 1,09
U-magnitude 4,36 ±0,05 U-B-magnitude 0,88

double/multiple star system information:

source of data: 25
separation between brightest and second brightest component 0,1 arcsec

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: 0h 23min 49,029sec DEC: -42° 34' 38,55'' ±0,009 arcsec
position (J2000) RA: 0h 26min 17,076sec DEC: -42° 18' 21,76''
proper motion J1950 (FK4) RA: 0,0187 arcsec/a DEC: -0,39 arcsec/a ±0,002 arcsec/a in RA
±0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0189 arcsec/a DEC: -0,395 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 2,4 (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: 12
Durchmusterung CD-42 116
Boss General Catalogue 519
Henry Draper Catalogue 2261