t Virginis


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 t Vir, 93 Vir, HR 5264, HD 122408, SAO 120238, FK5: 516, WDS 14016+0133A
constellation Virgo

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


position, motion, parallax:

position (J2000) RA: 14h 1min 38,8sec DEC: +1 32' 40''
position (J1900) RA: 13h 56min 33,3sec DEC: +2 1' 42''
proper motion (J2000) RA: 0,018 arcsec/a DEC: -0,021 arcsec/a
radial velocity -2 km/s
note: spectroscopic binaries
rotational velocity 150 km/s (uncertain) (variable)
trigonometric parallax 0,024 arcsec

magnitude

visual magnitude 4,26
(V on UBV Johnson system)

spectral / color information

spectral class A3V
B-V-magnitude 0,1
U-B-magnitude 0,12
R-I-magnitude 0,06

double/multiple star system information

number of components of multiple star system 3
separation 129 arcsec
mag difference (of double or brightest multiple) 5,2
component ID AB
note (category: double and multiple data): B is G type, optical.

miscellaneous information

note (category: group membership): UMa stream.

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

position, motion, parallax:

position (J2000) RA: 14h 1min 38,797sec DEC: +1 32' 40,24'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0012 arcsec/a DEC: -0,021 arcsec/a source: 25
radial velocity -2 km/s source: 25
trigonometric parallax 0,024 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 339,23 latitude: 59,38
GCI unit vector (J2000) X: -0,862097 Y: -0,506025 Z: 0,026954

magnitude:

visual 4,26 (observed) source: 25
photovisual 4,3 source: 2

spectral information:

spectral class A2 source: 96
Morgan-Keenan A3V source: 25
B-magnitude 4,36 0,05 B-V-magnitude 0,1
U-magnitude 4,48 0,05 U-B-magnitude 0,12

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 81,3 arcsec
magnitude difference between brightest and second brightest component 5,22
position angle 290

component magnitude spectral class catalogue(s)/name(s)
A 4,26 A2 t Virginis, 93 Vir, HR 5264, HD 122408, SAO 120238
B 8,85 G7

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: 13h 59min 5,942sec DEC: +1 47' 8,46'' 0,004 arcsec
position (J2000) RA: 14h 1min 38,801sec DEC: +1 32' 40,24''
proper motion J1950 (FK4) RA: 0,0011 arcsec/a DEC: -0,025 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0013 arcsec/a DEC: -0,021 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,3 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class A2
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 516
Durchmusterung BD+02 2761
Boss General Catalogue 18945
Henry Draper Catalogue 122408

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

position and proper motion:

position (J2000) RA: 14h 1,6min DEC: +1 33'
proper motion (J2000) RA: 0,018 arcsec/a DEC: -0,021 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 1823 12 290 79,9'' 4,26 9,48 A3V SHJ 171
1960 - 81,3''
AC 1912 2 21 158,5'' 4 12,5 - BU 1439
1960 353 176,8''
BC 1912 1 21 158,5'' 9,2 13,2 - SHJ 171

discoverer information:

discoverer code discoverer reference
SHJ 171 South & Herschel -
BU 1439 Burnham, S.W. -

notes:

note Rho Vir. A is a spectroscopic binary. B is BD+02@2760. Proper motion of B -009 -019.