Sabik

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

note (category: star names):

Sabik.

position, motion, parallax:

position (J2000)	RA: 17h 10min 22.7sec	DEC: -15° 43' 29''
position (B1900)	RA: 17h 4min 38.5sec	DEC: -15° 36' 4''
proper motion (J2000)	RA: 0.039 arcsec/a	DEC: 0.098 arcsec/a
radial velocity	-1 km/s note: spectroscopic binaries
rotational velocity	26 km/s (uncertain) (variable)
trigonometric parallax	0.052 arcsec
galactic coordinates	longitude: 6.72°	latitude: 14.01°

note (category: dynamical parallaxes):

0.022".

magnitude

visual magnitude

2.43
(V on UBV Johnson system)

spectral / color information

spectral class	A2V
B-V-magnitude	0.06
U-B-magnitude	0.09
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

double/multiple star system information

number of components of multiple star system	4
separation	0.3 arcsec
mag difference (of double or brightest multiple)	0.4
component ID	AB

note (category: double and multiple data):

AB 3.0 A2V, 3.5 A3V, 88y, a = 0.86". Combined mag., colors.

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

position, motion, parallax:

magnitude:

spectral information:

double/multiple star system information:

source of data: 19

magnitude difference between brightest and second brightest component

0.4

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 (B1950)	RA: 17h 7min 30.461sec	DEC: -15° 39' 52.89''	ą0.006 arcsec
position (J2000)	RA: 17h 10min 22.695sec	DEC: -15° 43' 29.43''
proper motion B1950 (FK4)	RA: 0.0026 arcsec/a	DEC: 0.095 arcsec/a	ą0.001 arcsec/a in RA ą0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0027 arcsec/a	DEC: 0.098 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	2.6 (accuracy: 2 decimals)
source of visual magnitude data	Combined magnitude of component stars.

spectral information:

spectral class	A2
source of spectral data	Taken from the HD with M stars reclassified by Miss Cannon.

remarks for duplicity and variability

Double star - see source catalog for source

catalogues

catalogues and names	Sabik, h Oph, 35 Oph, HR 6378, HD 155125, SAO 160332, BD -15 4467, WDS 17104-1543A
constellation	Ophiuchus