z 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


catalogues and names z Psc, NSV 15259, 86 Psc, HR 361, HD 7344, SAO 109739, FK5: 1033, WDS 01137+0735A
constellation Pisces

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


position, motion, parallax:

position (J2000) RA: 1h 13min 43,9sec DEC: +7 34' 31''
position (J1900) RA: 1h 8min 30,3sec DEC: +7 2' 48''
proper motion (J2000) RA: 0,144 arcsec/a DEC: -0,056 arcsec/a
radial velocity 9 km/s
note: spectroscopic binaries
rotational velocity 262 km/s (uncertain) (variable)
trigonometric parallax 0,026 arcsec
note (category: dynamical parallaxes): 0.012".

magnitude

visual magnitude 5,24
(V on UBV Johnson system)

spectral / color information

spectral class A7IV
B-V-magnitude 0,32
U-B-magnitude 0,09

double/multiple star system information

number of components of multiple star system 5
separation 0,1 arcsec
mag difference (of double or brightest multiple) 0,1
component ID O
note (category: double and multiple data): CPM with HR 362 at 24". ADS 996A is close occultation double, 6.3, 6.3v, 0.05":. Component B, HR 362 is SB; C, 12.2 is 1" from B.
note (category: spectroscopic binaries): ADS 996A, RV var. by 45k/s.

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

position, motion, parallax:

position (J2000) RA: 1h 13min 43,887sec DEC: +7 34' 31,16'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0097 arcsec/a DEC: -0,056 arcsec/a source: 25
radial velocity 9 km/s source: 25
trigonometric parallax 0,026 0,003 arcsec source: 25
galactic coord. (B1950) longitude: 132,57 latitude: -54,88
GCI unit vector (J2000) X: 0,940415 Y: 0,313434 Z: 0,131829

magnitude:

visual 5,24 (observed) source: 25
photovisual 5,6 source: 2

spectral information:

spectral class A5 source: 96
Morgan-Keenan A7IV source: 25
B-magnitude 5,56 0,05 B-V-magnitude 0,32
U-magnitude 5,65 0,05 U-B-magnitude 0,09

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 22,9 arcsec
magnitude difference between brightest and second brightest component 1,03
position angle 63

component magnitude spectral class catalogue(s)/name(s)
A 5,24 A5 z Piscium, 86 Psc, HR 361, HD 7344, SAO 109739
B 6,3 F8 z Piscium, 86 Psc, HR 362, HD 7345, SAO 109740

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 11min 6,933sec DEC: +7 18' 41,34'' 0,004 arcsec
position (J2000) RA: 1h 13min 43,886sec DEC: +7 34' 31,13''
proper motion J1950 (FK4) RA: 0,0095 arcsec/a DEC: -0,05 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0097 arcsec/a DEC: -0,056 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,6 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class A5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 1033
Durchmusterung BD+06 174
Boss General Catalogue 1476
Henry Draper Catalogue 7344

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

position and proper motion:

position (J2000) RA: 1h 13,7min DEC: +7 35'
proper motion (J2000) RA: 0,144 arcsec/a DEC: -0,056 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
AB 1832 often 64 23,6'' 5,23 6,26 A7IV F7V STF 100
1986 63 22,9''
BC 1888 25 248 0,9'' 6,26 12,2 - BU 1029
1987 78 1,6''

discoverer information:

discoverer code discoverer reference
STF 100 Struve, F.G.W. -
BU 1029 Burnham, S.W. -

notes:

note Zeta Psc. Both A and B are spectroscopic and occulta- tion binaries, B has P = 9.08d. BC: Single 1914 - 1951.