psi Serpentis

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

position, motion, parallax:

position (J2000)	RA: 15h 44min 1.8sec	DEC: +2° 30' 54''
position (B1900)	RA: 15h 38min 59.9sec	DEC: +2° 50' 8''
proper motion (J2000)	RA: -0.054 arcsec/a	DEC: -0.151 arcsec/a
radial velocity	19 km/s note: spectroscopic binaries
trigonometric parallax	0.046 arcsec
galactic coordinates	longitude: 9.7°	latitude: 41.97°

note (category: dynamical parallaxes):

0.084".

magnitude

visual magnitude

5.88
(V on UBV Johnson system)

spectral / color information

double/multiple star system information

number of components of multiple star system	5
separation	370 arcsec
mag difference (of double or brightest multiple)	1.3
component ID	AE

note (category: double and multiple data):

Quintuple system of which E is brightest companion; B, 12.0V at 4"; others at 172" and 208".

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

position, motion, parallax:

magnitude:

visual	5.88 (observed)	source: 25
photovisual	5.8	source: 2

spectral information:

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	4.4 arcsec
magnitude difference between brightest and second brightest component	6.1
position angle	47 °

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 (B1950)	RA: 15h 41min 30.642sec	DEC: +2° 40' 26.89''	±0.016 arcsec
position (J2000)	RA: 15h 44min 1.652sec	DEC: +2° 30' 54.45''
proper motion B1950 (FK4)	RA: -0.0055 arcsec/a	DEC: -0.153 arcsec/a	±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0053 arcsec/a	DEC: -0.151 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.8 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	G5
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

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

position and proper motion:

position (J2000)	RA: 15h 44min	DEC: +2° 31'
proper motion (J2000)	RA: -0.054 arcsec/a	DEC: -0.151 arcsec/a

double/multiple star system information:

discoverer information:

discoverer code	discoverer	reference
A 2230	Aitken, R.G.	-

notes:

note	Psi Ser. AC: C is BD+02@2988. CE: E is BD+02@2987.

catalogues and names	y Ser, 23 Ser, HR 5853, HD 140538, SAO 121152, BD +2 2989, FK5: 3248, WDS 15440+0231A
constellation	Serpens