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	j Her, phi Her, 11 Her, HR 6023, HD 145389, SAO 45911, BD +45 2376, FK5: 601
constellation	Hercules

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

position, motion, parallax:

position (J2000)	RA: 16h 8min 46.2sec	DEC: +44° 56' 6''
position (B1900)	RA: 16h 5min 37sec	DEC: +45° 11' 49''
proper motion (J2000)	RA: -0.025 arcsec/a	DEC: 0.038 arcsec/a
radial velocity	-16 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	10 km/s (uncertain) (variable)
trigonometric parallax	0.02 arcsec
galactic coordinates	longitude: 70.85°	latitude: 47.11°

magnitude

visual magnitude

4.26 (V on UBV Johnson system)

spectral / color information

spectral class	B9p:Mn:
B-V-magnitude	-0.07
U-B-magnitude	-0.28
R-I-magnitude

note (category: spectra):

HgMn star.

variability information

variable star identification

7490

note (category: variability):

Alpha CV?, 4.23 - 4.27V, amp. 0.015U, 7.832d, symmetric light curve.

double/multiple star system information

note (category: spectroscopic binaries):

560.5d, K 2.4k/s, V0 -16.8k/s, asini 16.3. Unresolved by speckle interferometry 1986.45.

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

position, motion, parallax:

position (J2000)	RA: 16h 8min 46.178sec	DEC: +44° 56' 5.72''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.0024 arcsec/a	DEC: 0.038 arcsec/a		source: 25
radial velocity	-16 km/s			source: 25
trigonometric parallax	0.02 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 70.84°	latitude: 47.11°

magnitude:

visual	4.26 (observed)	source: 25
photovisual	4.3	source: 2

spectral information:

spectral class	B9		source: 96
Morgan-Keenan	B9p:Mn:		source: 25
B-magnitude	4.19 ±0.05	B-V-magnitude	-0.07
U-magnitude	3.91 ±0.05	U-B-magnitude	-0.28

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
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: 16h 7min 11.504sec	DEC: +45° 3' 54.26''	±0.004 arcsec
position (J2000)	RA: 16h 8min 46.184sec	DEC: +44° 56' 5.69''
proper motion B1950 (FK4)	RA: -0.0028 arcsec/a	DEC: 0.035 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0023 arcsec/a	DEC: 0.037 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.3 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	B9p
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 601
Durchmusterung	BD+45 2376
Boss General Catalogue	21736
Henry Draper Catalogue	145389