Auva


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 Auva, d Vir, NSV 06026, 43 Vir, HR 4910, HD 112300, SAO 119674, FK5: 484, WDS 12556+0324
other names Minelauva in Becvar
constellation Virgo

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

note (category: star names): Auva; Minelauva in Becvar, a name Smyth assigned Beta Vir = HR 4540.

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

position, motion, parallax:

position (J2000) RA: 12h 55min 36,2sec DEC: +3 23' 51''
position (J1900) RA: 12h 50min 33,9sec DEC: +3 56' 27''
proper motion (J2000) RA: -0,469 arcsec/a DEC: -0,054 arcsec/a
radial velocity -18 km/s
note: suspected variable radial velocity
trigonometric parallax 0,022 arcsec

magnitude

visual magnitude 3,38
(V on UBV Johnson system)

spectral / color information

spectral class M3+III
B-V-magnitude 1,58
U-B-magnitude 1,78
R-I-magnitude 1,33
note (category: spectra): Ultraviolet FeII emission.

variability information

variable star identification 6026

double/multiple star system information

separation 164,5 arcsec
mag difference (of double or brightest multiple) 7
note Worley (1978) update of the IDS

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

position, motion, parallax:

position (J2000) RA: 12h 55min 36,213sec DEC: +3 23' 50,75'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0313 arcsec/a DEC: -0,054 arcsec/a source: 25
radial velocity -18 km/s source: 25
trigonometric parallax 0,022 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 305,55 latitude: 66,25
GCI unit vector (J2000) X: -0,969007 Y: -0,239821 Z: 0,059262

magnitude:

visual 3,38 (observed) source: 25
photovisual 3,7 source: 2

spectral information:

spectral class M0 source: 96
Morgan-Keenan M3+III source: 25
B-magnitude 4,96 0,05 B-V-magnitude 1,58
U-magnitude 6,74 0,05 U-B-magnitude 1,78

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 164,5 arcsec
magnitude difference between brightest and second brightest component 7,3
position angle 136

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: 12h 53min 4,986sec DEC: +3 40' 7,6'' 0,004 arcsec
position (J2000) RA: 12h 55min 36,218sec DEC: +3 23' 50,71''
proper motion J1950 (FK4) RA: -0,0314 arcsec/a DEC: -0,058 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0312 arcsec/a DEC: -0,054 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,7 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class M0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 484
Durchmusterung BD+04 2669
Boss General Catalogue 17543
Henry Draper Catalogue 112300

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

position and proper motion:

position (J2000) RA: 12h 55,6min DEC: +3 24'
proper motion (J2000) RA: -0,469 arcsec/a DEC: -0,054 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
- 1879 7 142 152'' 3,38 10,7 M3III BUP 146
1925 136 164,5''

discoverer information:

discoverer code discoverer reference
BUP 146 - -

notes:

note Delta Vir.

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

position:

position (J1950) RA: 12h 53min 5sec DEC: +3 40' 8''

variability informations:

magnitute at max. brightness 3,32
magnitute at min. brightness 3,4
photometric system visual, photovisual or Johnson's V

spectral information

spectral class M3

references

to a study 660820D (designation: HR 4910)