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	z Crt, 27 Crt, HR 4514, HD 102070, SAO 156869, BD -17 3460, FK5: 1301
constellation	Crater

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

position, motion, parallax:

position (J2000)	RA: 11h 44min 45.8sec	DEC: -18° 21' 3''
position (B1900)	RA: 11h 39min 41.6sec	DEC: -17° 47' 41''
proper motion (J2000)	RA: 0.031 arcsec/a	DEC: -0.03 arcsec/a
radial velocity	-5 km/s
rotational velocity	<19 km/s
trigonometric parallax	0.03 arcsec
galactic coordinates	longitude: 281.53°	latitude: 41.73°

magnitude

visual magnitude

4.73 (V on UBV Johnson system)

spectral / color information

spectral class	G8IIIa
B-V-magnitude	0.97
U-B-magnitude	0.74
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

miscellaneous information

note (category: group membership):

Sirius group? UMa stream.

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

position, motion, parallax:

position (J2000)	RA: 11h 44min 45.787sec	DEC: -18° 21' 2.73''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.0022 arcsec/a	DEC: -0.03 arcsec/a		source: 25
radial velocity	-5 km/s			source: 25
trigonometric parallax	0.03 arcsec		±0.003 arcsec	source: 25
galactic coord. (B1950)	longitude: 281.55°	latitude: 41.73°

magnitude:

visual	4.73 (observed)	source: 25
photovisual	4.9	source: 2
photographic	5.7	source: 2

spectral information:

spectral class	G5		source: 96
Morgan-Keenan	G8IIIa		source: 25
B-magnitude	5.7 ±0.05	B-V-magnitude	0.97
U-magnitude	6.44 ±0.05	U-B-magnitude	0.74

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: 11h 42min 13.506sec	DEC: -18° 4' 21.55''	±0.005 arcsec
position (J2000)	RA: 11h 44min 45.794sec	DEC: -18° 21' 2.83''
proper motion B1950 (FK4)	RA: 0.002 arcsec/a	DEC: -0.036 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0023 arcsec/a	DEC: -0.031 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.9 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	G5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1301
Durchmusterung	BD-17 3460
Boss General Catalogue	16112
Henry Draper Catalogue	102070