Zavijah


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


catalogues and names Zavijah, b Vir, 5 Vir, HR 4540, HD 102870, SAO 119076, FK5: 445, WDS 11507+0146A
other names Zavijava, Zavyava, Zawijah, Zarijan, Minelauva, Alaraph
constellation Virgo

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

note (category: star names): Zavijah; Zavijava; Zavyava; Zawijah; Zarijan; Minelauva; Alaraph, a name also applied to HR 4932 and 5056.

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

position, motion, parallax:

position (J2000) RA: 11h 50min 41,7sec DEC: +1 45' 53''
position (J1900) RA: 11h 45min 29,1sec DEC: +2 19' 42''
proper motion (J2000) RA: 0,743 arcsec/a DEC: -0,271 arcsec/a
radial velocity 5 km/s
note: variable radial velocity
rotational velocity 3 km/s (uncertain) (variable)
trigonometric parallax 0,104 arcsec

magnitude

visual magnitude 3,61
(V on UBV Johnson system)

spectral / color information

spectral class F9V
B-V-magnitude 0,55
U-B-magnitude 0,11
R-I-magnitude 0,28

double/multiple star system information

number of components of multiple star system 3
separation 512,3 arcsec
mag difference (of double or brightest multiple) 5
component ID AC
note Worley (1978) update of the IDS
note (category: double and multiple data): Companions optical.

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

position, motion, parallax:

position (J2000) RA: 11h 50min 41,722sec DEC: +1 45' 52,86'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0495 arcsec/a DEC: -0,271 arcsec/a source: 25
radial velocity 5 km/s source: 25
trigonometric parallax 0,104 0,01 arcsec source: 25
galactic coord. (B1950) longitude: 270,52 latitude: 60,75
GCI unit vector (J2000) X: -0,998702 Y: 0,040569 Z: 0,030795

magnitude:

visual 3,61 (observed) source: 25
photovisual 3,8 source: 2

spectral information:

spectral class F8 source: 96
Morgan-Keenan F9V source: 25
B-magnitude 4,16 0,05 B-V-magnitude 0,55
U-magnitude 4,27 0,05 U-B-magnitude 0,11

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 305,3 arcsec
magnitude difference between brightest and second brightest component 7
position angle 285

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: 11h 48min 5,387sec DEC: +2 2' 47,61'' 0,003 arcsec
position (J2000) RA: 11h 50min 41,726sec DEC: +1 45' 52,9''
proper motion J1950 (FK4) RA: 0,0494 arcsec/a DEC: -0,275 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0496 arcsec/a DEC: -0,271 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,8 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class F8
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 445
Durchmusterung BD+02 2489
Boss General Catalogue 16215
Henry Draper Catalogue 102870

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

position and proper motion:

position (J2000) RA: 11h 50,7min DEC: +1 46'
proper motion (J2000) RA: 0,743 arcsec/a DEC: -0,271 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 1850 7 283 200,6'' 3,61 10,6 F9V STT
1984 285 305,3''
AC 1852 3 86 539,1'' 3,61 8,8 - STT
1884 85 512,3''

discoverer information:

discoverer code discoverer reference
STT Struve, O.

notes:

note Beta Vir. Proper motion of C -066 -013.