Sargas


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 Sargas, q Sco, NSV 09233, HR 6553, HD 159532, SAO 228201, FK5: 654
constellation Scorpius

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

note (category: star names): Sargas.

position, motion, parallax:

position (J2000) RA: 17h 37min 19,2sec DEC: -42 59' 52''
position (J1900) RA: 17h 30min 7,9sec DEC: -42 56' 3''
proper motion (J2000) RA: 0,015 arcsec/a DEC: -0,002 arcsec/a
radial velocity 1 km/s
rotational velocity 105 km/s (uncertain) (variable)
trigonometric parallax 0,027 arcsec

magnitude

visual magnitude 1,87
(V on UBV Johnson system)

spectral / color information

spectral class F1II
B-V-magnitude 0,4
U-B-magnitude 0,22
R-I-magnitude 0,2

variability information

variable star identification 9233
note (category: variability): 1.90 - 1.94V?

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

position, motion, parallax:

position (J2000) RA: 17h 37min 19,151sec DEC: -42 59' 52,21'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0014 arcsec/a DEC: -0,002 arcsec/a source: 25
radial velocity 1 km/s source: 25
trigonometric parallax 0,027 0,003 arcsec source: 25
galactic coord. (B1950) longitude: 347,14 latitude: -5,98
GCI unit vector (J2000) X: -0,072262 Y: -0,727801 Z: -0,681971

magnitude:

visual 1,87 (observed) source: 25
photovisual 2 source: 2
photographic 2,3 source: 2

spectral information:

spectral class F0 source: 96
Morgan-Keenan F1II source: 25
B-magnitude 2,27 0,05 B-V-magnitude 0,4
U-magnitude 2,49 0,05 U-B-magnitude 0,22

variability information:

source of data: 28
variability type 9
var. amplitude 0,04

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: 17h 33min 43,371sec DEC: -42 58' 5,15'' 0,009 arcsec
position (J2000) RA: 17h 37min 19,157sec DEC: -42 59' 52,03''
proper motion J1950 (FK4) RA: 0,0015 arcsec/a DEC: 0 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0015 arcsec/a DEC: 0 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 2 (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: 654
Durchmusterung CD-4212312
Boss General Catalogue 23857
Henry Draper Catalogue 159532

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

position:

position (J1950) RA: 17h 33min 43,4sec DEC: -42 58' 5''

variability informations:

magnitute at max. brightness 1,84
magnitute at min. brightness 1,88
photometric system visual, photovisual or Johnson's V

spectral information

spectral class F0

references

to a study 620872D (designation: 88(E 7))