Arneb


The object was found in the following catalogues:
  1. The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

  2. SKY2000 - Master Star Catalog

  3. Smithsonian Astrophysical Observatory Star Catalog

  4. The Washington Visual Double Star Catalog, 1996.0

  5. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names Arneb, a Lep, NSV 02128, 11 Lep, HR 1865, HD 36673, SAO 150547, FK5: 207, WDS 05327-1749A
constellation Lepus

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

note (category: star names): ARNEB.

object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 5h 32min 43,8sec DEC: -17 49' 20''
position (J1900) RA: 5h 28min 19,1sec DEC: -17 53' 38''
proper motion (J2000) RA: 0,001 arcsec/a DEC: 0,002 arcsec/a
radial velocity 24 km/s
rotational velocity 13 km/s (uncertain) (variable)
trigonometric parallax 0,007 arcsec

magnitude

visual magnitude 2,58
(V on UBV Johnson system)

spectral / color information

spectral class F0Ib
B-V-magnitude 0,21
U-B-magnitude 0,23
R-I-magnitude 0,21
note (category: spectra): Probable magnetic star.
note (category: colors): U-B values scatter from +0.07 to +0.386.

variability information

variable star identification 2128

double/multiple star system information

number of components of multiple star system 3
separation 35,8 arcsec
mag difference (of double or brightest multiple) 8,5
component ID AB

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

position, motion, parallax:

position (J2000) RA: 5h 32min 43,802sec DEC: -17 49' 20,26'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0001 arcsec/a DEC: 0,002 arcsec/a source: 25
radial velocity 24 km/s source: 25
trigonometric parallax 0,007 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 220,95 latitude: -25,14
GCI unit vector (J2000) X: 0,11301 Y: 0,945279 Z: -0,306066

magnitude:

visual 2,58 (observed) source: 25
photovisual 2,7 source: 2
photographic 3 source: 2

spectral information:

spectral class F0 source: 96
Morgan-Keenan F0Ib source: 25
B-magnitude 2,79 0,05 B-V-magnitude 0,21
U-magnitude 3,02 0,05 U-B-magnitude 0,23

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 36,2 arcsec
magnitude difference between brightest and second brightest component 8,6
position angle 156

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
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 (J1950) RA: 5h 30min 31,394sec DEC: -17 51' 24,18'' 0,005 arcsec
position (J2000) RA: 5h 32min 43,799sec DEC: -17 49' 20,24''
proper motion J1950 (FK4) RA: -0,0004 arcsec/a DEC: 0,001 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0 arcsec/a DEC: 0,002 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 2,7 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class F0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 207
Durchmusterung BD-17 1166
Boss General Catalogue 6875
Henry Draper Catalogue 36673

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 5h 32,7min DEC: -17 49'
proper motion (J2000) RA: 0,001 arcsec/a DEC: 0,002 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
AB 1877 10 156 35,8'' 2,58 11,2 F0Ib HJ 3766
1977 - 36,2''
AC 1913 1 186 91,4'' 2,58 11,9 - HJ 3766

discoverer information:

discoverer code discoverer reference
HJ 3766 Herschel, J. -

notes:

note Alpha Lep.

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

position:

position (J1950) RA: 5h 30min 31,4sec DEC: -17 51' 24''

variability informations:

magnitute at max. brightness 2,56
magnitute at min. brightness 2,62
photometric system visual, photovisual or Johnson's V

spectral information

spectral class F0

references

to a study 731201D (designation: HD 36673)

miscanellous

There are notes in the published catalog (Kukarkin et al.(1982)).