h Piscium


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 h Psc, NSV 00532, 99 Psc, HR 437, HD 9270, SAO 92484, FK5: 50, WDS 01315+1521
constellation Pisces

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


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

position, motion, parallax:

position (J2000) RA: 1h 31min 29sec DEC: +15 20' 45''
position (J1900) RA: 1h 26min 7,8sec DEC: +14 49' 49''
proper motion (J2000) RA: 0,028 arcsec/a DEC: -0,006 arcsec/a
radial velocity 15 km/s
note: variable radial velocity
rotational velocity <19 km/s
trigonometric parallax 0,015 arcsec
note (category: dynamical parallaxes): 0.003".

magnitude

visual magnitude 3,62
(V on UBV Johnson system)

spectral / color information

spectral class G7IIIa
B-V-magnitude 0,97
U-B-magnitude 0,75
R-I-magnitude 0,5

variability information

variable star identification 532
note (category: variability): ADS 1199B, 8.0 - 11.5v?

double/multiple star system information

separation 0,8 arcsec
mag difference (of double or brightest multiple) 3,6
note (category: double and multiple data): CPM.

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

position, motion, parallax:

position (J2000) RA: 1h 31min 29,013sec DEC: +15 20' 44,81'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0019 arcsec/a DEC: -0,005 arcsec/a source: 25
radial velocity 15 km/s source: 25
trigonometric parallax 0,015 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 137,02 latitude: -46,43
GCI unit vector (J2000) X: 0,888532 Y: 0,374799 Z: 0,264644

magnitude:

visual 3,62 (observed) source: 25
photovisual 3,7 source: 2

spectral information:

spectral class G5 source: 96
Morgan-Keenan G7IIIa source: 25
B-magnitude 4,59 0,05 B-V-magnitude 0,97
U-magnitude 5,34 0,05 U-B-magnitude 0,75

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 0,8 arcsec
magnitude difference between brightest and second brightest component 7
position angle 49

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: 1h 28min 48,197sec DEC: +15 5' 19,39'' 0,003 arcsec
position (J2000) RA: 1h 31min 29,014sec DEC: +15 20' 44,73''
proper motion J1950 (FK4) RA: 0,0019 arcsec/a DEC: -0,002 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,002 arcsec/a DEC: -0,006 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,7 (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: 50
Durchmusterung BD+14 231
Boss General Catalogue 1839
Henry Draper Catalogue 9270

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

position and proper motion:

position (J2000) RA: 1h 31,5min DEC: +15 21'
proper motion (J2000) RA: 0,028 arcsec/a DEC: -0,006 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
- 1878 22 12 1'' 3,7 10,7 G8III BU 506
1969 49 0,8''

discoverer information:

discoverer code discoverer reference
BU 506 Burnham, S.W. -

notes:

note Eta Psc. A is a Beta CMi-type variable.

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

position:

position (J1950) RA: 1h 28min 48,2sec DEC: +15 5' 19''

variability informations:

magnitute at max. brightness 3,59
magnitute at min. brightness 3,65
photometric system visual, photovisual or Johnson's V

spectral information

spectral class G8

references

to a study 1131D (designation: ETA PSC)

miscanellous

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