catalogues and names

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

SKY2000 - Master Star Catalog

Smithsonian Astrophysical Observatory Star Catalog

Combined General Catalogue of Variable Stars (suspected variables)

catalogues and names

catalogues and names	h Crt, NSV 05392, 30 Crt, HR 4567, HD 103632, SAO 156988, BD -16 3358, FK5: 1309
constellation	Crater

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

position, motion, parallax:

position (J2000)	RA: 11h 56min 0.9sec	DEC: -17° 9' 3''
position (B1900)	RA: 11h 50min 55.1sec	DEC: -16° 35' 38''
proper motion (J2000)	RA: -0.051 arcsec/a	DEC: -0.006 arcsec/a
radial velocity	15 km/s note: suspected variable radial velocity
rotational velocity	74 km/s (uncertain) (variable)
trigonometric parallax	0.023 arcsec
galactic coordinates	longitude: 284.47°	latitude: 43.73°

magnitude

visual magnitude

5.18 (V on UBV Johnson system)

spectral / color information

spectral class	A0V
B-V-magnitude	-0.02
U-B-magnitude	0

variability information

variable star identification

5392

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

position, motion, parallax:

position (J2000)	RA: 11h 56min 0.949sec	DEC: -17° 9' 3.02''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.0035 arcsec/a	DEC: -0.006 arcsec/a		source: 25
radial velocity	15 km/s			source: 25
trigonometric parallax	0.023 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 284.49°	latitude: 43.73°

magnitude:

visual	5.18 (observed)	source: 25
photovisual	5.2	source: 2
photographic	5.2	source: 2

spectral information:

spectral class	A0		source: 96
Morgan-Keenan	A0V		source: 25
B-magnitude	5.16 ±0.05	B-V-magnitude	-0.02
U-magnitude	5.16 ±0.05	U-B-magnitude	0

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 53min 27.831sec	DEC: -16° 52' 20.63''	±0.007 arcsec
position (J2000)	RA: 11h 56min 0.938sec	DEC: -17° 9' 2.97''
proper motion B1950 (FK4)	RA: -0.0039 arcsec/a	DEC: -0.011 arcsec/a	±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0036 arcsec/a	DEC: -0.006 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.2 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	A0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1309
Durchmusterung	BD-16 3358
Boss General Catalogue	16319
Henry Draper Catalogue	103632

data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)

position:

position (equinox 1950.0)

RA: 11h 53min 27.8sec

DEC: -16° 52' 21''

variability informations:

variability type	-
magnitute at max. brightness	5.17
magnitute at min. brightness
photometric system	visual, photovisual or Johnson's V

spectral information

spectral class

A0

references

to a study

2227D (designation: ETA CRT)