Arcturus


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. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names Arcturus, a Boo, NSV 06603, 16 Boo, HR 5340, HD 124897, SAO 100944, FK5: 526
other names Haris-el-sema
constellation Bootes

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

note (category: star names): ARCTURUS; Haris-el-sema.

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

position, motion, parallax:

position (J2000) RA: 14h 15min 39,7sec DEC: +19 10' 57''
position (J1900) RA: 14h 11min 6sec DEC: +19 42' 11''
proper motion (J2000) RA: -1,093 arcsec/a DEC: -1,998 arcsec/a
radial velocity -5 km/s
note: variable radial velocity
rotational velocity <17 km/s (uncertain) (variable)
trigonometric parallax 0,09 arcsec
note (category: radial and/or rotational velocities): Radial velocity varies in period 1.842d.

magnitude

visual magnitude -0,04
(V on UBV Johnson system)

spectral / color information

spectral class K1.5IIIFe-0.5
B-V-magnitude 1,23
U-B-magnitude 1,27
R-I-magnitude 0,65

variability information

variable star identification 6603
note (category: variability): H and K emission vary.

miscellaneous information

note (category: group membership): Arcturus group.
note (category: stellar radii or diameters): Diam. = 0.019 - 0.027".
note (category: miscellaneous): High space velocity?

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

position, motion, parallax:

position (J2000) RA: 14h 15min 39,677sec DEC: +19 10' 56,71'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0771 arcsec/a DEC: -1,998 arcsec/a source: 25
radial velocity -5 km/s source: 25
trigonometric parallax 0,09 0,009 arcsec source: 25
galactic coord. (B1950) longitude: 15,14 latitude: 69,11
GCI unit vector (J2000) X: -0,783787 Y: -0,526987 Z: 0,328577

magnitude:

visual -0,04 (observed) source: 25
photovisual 0,2 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan K1.5IIIFe-0.5 source: 25
B-magnitude 1,19 0,05 B-V-magnitude 1,23
U-magnitude 2,46 0,05 U-B-magnitude 1,27

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 (J1950) RA: 14h 13min 22,75sec DEC: +19 26' 30,95'' 0,003 arcsec
position (J2000) RA: 14h 15min 39,687sec DEC: +19 10' 56,77''
proper motion J1950 (FK4) RA: -0,0776 arcsec/a DEC: -1,999 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,077 arcsec/a DEC: -1,998 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 0,2 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class K0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 526
Durchmusterung BD+19 2777
Boss General Catalogue 19242
Henry Draper Catalogue 124897

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

position:

position (J1950) RA: 14h 13min 22,7sec DEC: +19 26' 31''

variability informations:

magnitute at max. brightness -0,13
magnitute at min. brightness -0,03
photometric system visual, photovisual or Johnson's V

spectral information

spectral class K2

references

to a study 0138D (designation: 252)