Taygeta


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 Taygeta, NSV 01264, 19 Tau, HR 1145, HD 23338, SAO 76140, WDS 03452+2428
other names Taygete
constellation Taurus

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

note (category: star names): Taygeta; Taygete.

position, motion, parallax:

position (J2000) RA: 3h 45min 12,5sec DEC: +24 28' 2''
position (J1900) RA: 3h 39min 15,2sec DEC: +24 9' 13''
proper motion (J2000) RA: 0,018 arcsec/a DEC: -0,045 arcsec/a
radial velocity 6 km/s
note: spectroscopic binaries, single lined spectra
rotational velocity 133 km/s (uncertain) (variable)
note (category: radial and/or rotational velocities): vsini 135k/s.

magnitude

visual magnitude 4,3
(V on UBV Johnson system)

spectral / color information

spectral class B6IV
B-V-magnitude -0,11
U-B-magnitude -0,46
R-I-magnitude -0,09

variability information

variable star identification 1264

double/multiple star system information

number of components of multiple star system 3
separation 0 arcsec
mag difference (of double or brightest multiple) 1,5
component ID A
note Worley (1978) update of the IDS
note (category: double and multiple data): Primary is SB, 4.6, 6.1v, sep. 0.012". Visual pair 4.4, 8.1v, sep. 69".
note (category: spectroscopic binaries): 1313d, K 8.0k/s, V0 +5.9k/s, asini 144.0. Unresolved by speckle interferometry.

miscellaneous information

note (category: group membership): Pleiades cluster; Mel 22 #563; embedded in reflection nebulosity.

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

position, motion, parallax:

position (J2000) RA: 3h 45min 12,469sec DEC: +24 28' 1,36'' 0,43 arcsec source: 16
proper motion (J2000) RA: 0,0007 arcsec/a DEC: -0,058 arcsec/a source: 25
radial velocity 6 km/s source: 25
galactic coord. (B1950) longitude: 165,99 latitude: -23,53
GCI unit vector (J2000) X: 0,504993 Y: 0,757262 Z: 0,41417

magnitude:

visual 4,3 (observed) source: 25
photovisual 4,4 source: 2
photographic 4,2 source: 16

spectral information:

spectral class B5 source: 96
Morgan-Keenan B6IV source: 25
B-magnitude 4,19 0,05 B-V-magnitude -0,11
U-magnitude 3,73 0,05 U-B-magnitude -0,46

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 68,8 arcsec
magnitude difference between brightest and second brightest component 3,8
position angle 329

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
16 PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
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: 3h 42min 13,572sec DEC: +24 18' 42,91'' 0,016 arcsec
position (J2000) RA: 3h 45min 12,476sec DEC: +24 28' 2,05''
proper motion J1950 (FK4) RA: 0,0014 arcsec/a DEC: -0,042 arcsec/a 0,003 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0013 arcsec/a DEC: -0,045 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,4 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class B5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 4486
Durchmusterung BD+24 547
Boss General Catalogue 4486
Henry Draper Catalogue 23338

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

position and proper motion:

position (J2000) RA: 3h 45,2min DEC: +24 28'
proper motion (J2000) RA: 0,019 arcsec/a DEC: -0,047 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
- 1880 9 330 66,4'' 4,3 8,1 B6IV HJ 3251
1925 329 68,8''

discoverer information:

discoverer code discoverer reference
HJ 3251 Herschel, J. -

notes:

note 19 Tau. A is a spectroscopic and occultation binary. Proper motion of B +026 -012.

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

position:

position (J1950) RA: 3h 42min 13,6sec DEC: +24 18' 43''

variability informations:

variability type -
magnitute at max. brightness 4,29
magnitute at min. brightness
photometric system visual, photovisual or Johnson's V

spectral information

spectral class B6

references

to a study 252684D (designation: *)

miscanellous

There are notes in the published catalog (Kukarkin et al.(1982)).