b Piscis Austrini


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 b PsA, 17 PsA, HR 8576, HD 213398, SAO 213883, FK5: 1592, WDS 22315-3221
constellation Piscis Austrinus

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


position, motion, parallax:

position (J2000) RA: 22h 31min 30,3sec DEC: -32 20' 46''
position (J1900) RA: 22h 25min 49,3sec DEC: -32 51' 32''
proper motion (J2000) RA: 0,065 arcsec/a DEC: -0,018 arcsec/a
radial velocity 6 km/s
rotational velocity 36 km/s (uncertain) (variable)
trigonometric parallax 0,021 arcsec

magnitude

visual magnitude 4,29
(V on UBV Johnson system)

spectral / color information

spectral class A0V
B-V-magnitude 0,01
U-B-magnitude 0,02
R-I-magnitude 0,02

double/multiple star system information

number of components of multiple star system 4
separation 30,3 arcsec
mag difference (of double or brightest multiple) 3,5
component ID AD
note Worley (1978) update of the IDS
note (category: double and multiple data): CPM. Companion D G2? Photometric data (Oblak 1978, A&AS, 34, 453) give B A2V, 6.22V,; C F2V, 7.71V, +0.38(B-V); D F9V, 7.83V, +0.51(B-V), where MK types are estimated from uvby,beta photometry. ABD physical, C optical.

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

position, motion, parallax:

position (J2000) RA: 22h 31min 30,347sec DEC: -32 20' 45,78'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0051 arcsec/a DEC: -0,018 arcsec/a source: 25
radial velocity 6 km/s source: 25
trigonometric parallax 0,021 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 14,6 latitude: -59,32
GCI unit vector (J2000) X: 0,78263 Y: -0,318168 Z: -0,535032

magnitude:

visual 4,29 (observed) source: 25
photovisual 4,4 source: 2
photographic 4,4 source: 2

spectral information:

spectral class A0 source: 96
Morgan-Keenan A0V source: 25
B-magnitude 4,3 0,05 B-V-magnitude 0,01
U-magnitude 4,32 0,05 U-B-magnitude 0,02

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 30,3 arcsec
magnitude difference between brightest and second brightest component 1,94
position angle 172

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: 22h 28min 40,07sec DEC: -32 36' 11,08'' 0,008 arcsec
position (J2000) RA: 22h 31min 30,366sec DEC: -32 20' 45,57''
proper motion J1950 (FK4) RA: 0,0053 arcsec/a DEC: -0,012 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0053 arcsec/a DEC: -0,016 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 A0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 1592
Durchmusterung CD-3217126
Boss General Catalogue 31459
Henry Draper Catalogue 213398

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

position and proper motion:

position (J2000) RA: 22h 31,5min DEC: -32 21'
proper motion (J2000) RA: 0,065 arcsec/a DEC: -0,018 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 17 172 30,3'' 4,28 6,22 A0V PZ 7

discoverer information:

discoverer code discoverer reference
PZ 7 Piazzi, G. -

notes:

note Beta PsA. B is CD-32@17127.