zeta Piscium

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

position, motion, parallax:

position (J2000)	RA: 1h 13min 45,3sec	DEC: +7° 34' 42''
position (2001,17)	RA: 1h 13min 49sec	DEC: +7° 35' 4''
position (B1900)	RA: 1h 8min 31,7sec	DEC: +7° 2' 58''
proper motion (J2000)	RA: 0,147 arcsec/a	DEC: -0,052 arcsec/a
radial velocity	11 km/s note: spectroscopic binaries note: orbital data avaible
rotational velocity	=<25 km/s (uncertain) (variable)
trigonometric parallax	0,026 arcsec
galactic coordinates	longitude: 132,57°	latitude: -54,87°

note (category: dynamical parallaxes):

0.012".

magnitude

visual magnitude

6,3
(V on UBV Johnson system)

spectral / color information

spectral class	F7V
B-V-magnitude	0,49
U-B-magnitude	0,01

variability information

variable star identification

442

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 361.

note (category: spectroscopic binaries):

ADS 996B, 6.7, 8.7v, sep. 0.001", 9.0750d, K 51.1k/s, V0 +10.4k/s, asini 6.37.

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

position, motion, parallax:

position (J2000)	RA: 1h 13min 45,272sec	DEC: +7° 34' 41,61''	ą0,2 arcsec	source: 52
position (2001,17)	RA: 1h 13min 49sec	DEC: +7° 35' 4''	JD: 2451974,21
proper motion (J2000)	RA: 0,0094 arcsec/a	DEC: -0,057 arcsec/a		source: 25
radial velocity	11 km/s			source: 25
trigonometric parallax	0,026 arcsec		ą0,003 arcsec	source: 25
galactic coord. (B1950)	longitude: 132,58°	latitude: -54,87°

magnitude:

visual	6,3 (observed)	source: 25
photovisual	6,5	source: 2
photographic	7,3	source: 16

spectral information:

spectral class	F8		source: 96
Morgan-Keenan	F7V		source: 25
B-magnitude	6,79 ą0,05	B-V-magnitude	0,49
U-magnitude	6,8 ą0,05	U-B-magnitude	0,01

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	1,6 arcsec
magnitude difference between brightest and second brightest component	5,9
position angle	78 °

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
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
52	PPMN-HP subset
PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H)
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 (B1950)	RA: 1h 11min 8,346sec	DEC: +7° 18' 52,03''	ą0,025 arcsec
position (2001,17)	RA: 1h 13min 48sec	DEC: +7° 35' 7''	JD: 2451974,21
position (J2000)	RA: 1h 13min 45,311sec	DEC: +7° 34' 41,99''
proper motion B1950 (FK4)	RA: 0,0097 arcsec/a	DEC: -0,046 arcsec/a	ą0,003 arcsec/a in RA ą0,004 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0,0099 arcsec/a	DEC: -0,052 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	6,5 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	F8
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: 1477
Durchmusterung	BD+06 175
Boss General Catalogue	1477
Henry Draper Catalogue	7345

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.

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

position:

position (equinox 1950.0)

RA: 1h 11min 8,3sec

DEC: +7° 18' 52''

variability informations:

magnitute at max. brightness	6,24
magnitute at min. brightness	6,32
photometric system	visual, photovisual or Johnson's V

spectral information

spectral class

references

to a study

0132D (designation: 100)

miscanellous

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

catalogues and names	z Psc, NSV 00442, 86 Psc, HR 362, HD 7345, SAO 109740, BD +6 175, WDS 01137+0735B
constellation	Pisces