catalogues and names

The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

SKY2000 - Master Star Catalog

Smithsonian Astrophysical Observatory Star Catalog

catalogues and names

catalogues and names

HR 439, HD 9352, SAO 22389, BD +57 320

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

position, motion, parallax:

position (J2000)	RA: 1h 33min 25.8sec	DEC: +58° 19' 39''
position (B1900)	RA: 1h 26min 56sec	DEC: +57° 48' 48''
proper motion (J2000)	RA: 0.011 arcsec/a	DEC: 0.002 arcsec/a
radial velocity	-1 km/s
rotational velocity	=<50 km/s (uncertain) (variable)
galactic coordinates	longitude: 128.44°	latitude: -4.09°

magnitude

visual magnitude

5.7 (V on UBV Johnson system)

spectral / color information

spectral class	K0Ib+B9V
B-V-magnitude	1.52
U-B-magnitude	1.15
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

note (category: spectra):

Also classified K3Ib-II + B9V. vsini of secondary 200k/s.

double/multiple star system information

note (category: double and multiple data):

Unresolved by speckle interferometry 1983.94.

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

position, motion, parallax:

position (J2000)	RA: 1h 33min 25.725sec	DEC: +58° 19' 38.88''	±0.43 arcsec	source: 16
proper motion (J2000)	RA: 0.0009 arcsec/a	DEC: 0.003 arcsec/a		source: 25
radial velocity	-1 km/s			source: 25
galactic coord. (B1950)	longitude: 128.44°	latitude: -4.09°

magnitude:

visual	5.7 (observed)	source: 25
photovisual	6.1	source: 2
photographic	7	source: 16

spectral information:

spectral class	K0		source: 96
Morgan-Keenan	K0Ib		source: 25
B-magnitude	7.22 ±0.05	B-V-magnitude	1.52
U-magnitude	8.37 ±0.05	U-B-magnitude	1.15

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	0.1 arcsec
position angle	112 °

component	magnitude	spectral class	catalogue(s)/name(s)
A	5.7	K0	HR 439, HD 9352, SAO 22389
B	5.703	A0

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: 1h 30min 9.946sec	DEC: +58° 4' 16.29''	±0.067 arcsec
position (J2000)	RA: 1h 33min 25.783sec	DEC: +58° 19' 39.01''
proper motion B1950 (FK4)	RA: 0.0014 arcsec/a	DEC: 0.007 arcsec/a	±0.02 arcsec/a in RA ±0.012 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0014 arcsec/a	DEC: 0.002 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

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

spectral information:

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

catalogues

source catalogue	GC, catalogue number: 1870
Durchmusterung	BD+57 320
Boss General Catalogue	1870
Henry Draper Catalogue	9352 The "SAO Catalog" entry refers to two consecutive HD numbers, the lower of which is given.