g 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

  5. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names g PsA, NSV 14338, 22 PsA, HR 8695, HD 216336, SAO 214153, WDS 22525-3253
constellation Piscis Austrinus

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


position, motion, parallax:

position (J2000) RA: 22h 52min 31,6sec DEC: -32 52' 32''
position (J1900) RA: 22h 46min 58,1sec DEC: -33 24' 21''
proper motion (J2000) RA: -0,03 arcsec/a DEC: -0,025 arcsec/a
radial velocity 17 km/s
note: suspected variable radial velocity
rotational velocity 55 km/s (uncertain) (variable)
trigonometric parallax 0,043 arcsec
note (category: dynamical parallaxes): 0.015".

magnitude

visual magnitude 4,46
(V on UBV Johnson system)

spectral / color information

spectral class A0III*
B-V-magnitude -0,04
U-B-magnitude -0,14
R-I-magnitude 0,02
note (category: spectra): Also classified A0V and B9.5IV.

variability information

variable star identification 14338

double/multiple star system information

separation 4,2 arcsec
mag difference (of double or brightest multiple) 3,6
note Worley (1978) update of the IDS
note (category: double and multiple data): Binary, companion F5V.

miscellaneous information

note (category: group membership): Sirius group.

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

position, motion, parallax:

position (J2000) RA: 22h 52min 31,486sec DEC: -32 52' 32,48'' 0,19 arcsec source: 16
proper motion (J2000) RA: -0,0038 arcsec/a DEC: -0,04 arcsec/a source: 25
radial velocity 17 km/s source: 25
trigonometric parallax 0,043 0,004 arcsec source: 25
galactic coord. (B1950) longitude: 13,07 latitude: -63,72
GCI unit vector (J2000) X: 0,803713 Y: -0,243709 Z: -0,542818

magnitude:

visual 4,46 (observed) source: 25
photovisual 4,1 source: 16
photographic 4,5 source: 2

spectral information:

spectral class A0 source: 96
Morgan-Keenan A0III* source: 25
B-magnitude 4,42 0,05 B-V-magnitude -0,04
U-magnitude 4,28 0,05 U-B-magnitude -0,14

variability information:

source of data: 28
variability type 9
var. amplitude 0,05

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 4,2 arcsec
magnitude difference between brightest and second brightest component 3,4
position angle 259

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
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
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 49min 45,065sec DEC: -33 8' 28,32'' 0,017 arcsec
position (J2000) RA: 22h 52min 31,564sec DEC: -32 52' 32,02''
proper motion J1950 (FK4) RA: -0,0024 arcsec/a DEC: -0,021 arcsec/a 0,004 arcsec/a in RA
0,004 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0024 arcsec/a DEC: -0,025 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,5 (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: 31895
Durchmusterung CD-3316270
Boss General Catalogue 31895
Henry Draper Catalogue 216336

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

position and proper motion:

position (J2000) RA: 22h 52,5min DEC: -32 53'
proper motion (J2000) RA: -0,036 arcsec/a DEC: -0,025 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
- 1835 48 276 4,2'' 4,6 8 A0III HJ 5367
1985 259 -

discoverer information:

discoverer code discoverer reference
HJ 5367 Herschel, J. -

notes:

note Gamma PsA. Variable?

data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)

position:

position (J1950) RA: 22h 49min 45,1sec DEC: -33 8' 28''

variability informations:

magnitute at max. brightness 4,45
magnitute at min. brightness 4,5
photometric system visual, photovisual or Johnson's V

spectral information

spectral class A0

references

to a study 0807D (designation: 62G PSA)

miscanellous

There are notes in the published catalog (Kukarkin et al.(1982)).