Atlas


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 Atlas, NSV 01345, 27 Tau, HR 1178, HD 23850, SAO 76228, FK5: 142, WDS 03492+2403
constellation Taurus

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

note (category: star names): Atlas.

position, motion, parallax:

position (J2000) RA: 3h 49min 9,7sec DEC: +24 3' 12''
position (J1900) RA: 3h 43min 12,8sec DEC: +23 44' 52''
proper motion (J2000) RA: 0,018 arcsec/a DEC: -0,047 arcsec/a
radial velocity 9 km/s
note: spectroscopic binaries, single lined spectra
note: orbital data avaible
rotational velocity 212 km/s (uncertain) (variable)
trigonometric parallax -0,026 arcsec

magnitude

visual magnitude 3,63
(V on UBV Johnson system)

spectral / color information

spectral class B8III
B-V-magnitude -0,09
U-B-magnitude -0,36
R-I-magnitude -0,05

variability information

variable star identification 1345

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 (category: double and multiple data): Component A SB, 4.1, 5.6, sep. 0.006" and 0.019". B, 6.8v at 0.4".
note (category: spectroscopic binaries): ADS 2786A, 1254.68d, K 14.5k/s, V0 -0.4k/s, asini 248. Unresolved by speckle interferometry 1981.68.

miscellaneous information

note (category: group membership): Pleiades cluster; Mel 22 #2168.

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

position, motion, parallax:

position (J2000) RA: 3h 49min 9,739sec DEC: +24 3' 12,24'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0013 arcsec/a DEC: -0,047 arcsec/a source: 25
radial velocity 9 km/s source: 25
galactic coord. (B1950) longitude: 167,02 latitude: -23,23
GCI unit vector (J2000) X: 0,493455 Y: 0,768358 Z: 0,407588

magnitude:

visual 3,63 (observed) source: 25
photovisual 3,8 source: 2

spectral information:

spectral class B8 source: 96
Morgan-Keenan B8III source: 25
B-magnitude 3,54 0,05 B-V-magnitude -0,09
U-magnitude 3,18 0,05 U-B-magnitude -0,36

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 0,4 arcsec
magnitude difference between brightest and second brightest component 3

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: 3h 46min 11,03sec DEC: +23 54' 7,66'' 0,004 arcsec
position (J2000) RA: 3h 49min 9,735sec DEC: +24 3' 12,34''
proper motion J1950 (FK4) RA: 0,0013 arcsec/a DEC: -0,043 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0012 arcsec/a DEC: -0,046 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 B8
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 142
Durchmusterung BD+23 557
Boss General Catalogue 4586
Henry Draper Catalogue 23850

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

position and proper motion:

position (J2000) RA: 3h 49,2min DEC: +24 3'
proper motion (J2000) RA: 0,018 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
- 1830 9 0,4'' 3,8 6,8 B8III STF 453

discoverer information:

discoverer code discoverer reference
STF 453 Struve, F.G.W. -

notes:

note 27 Tau. Single 1843-1937, 1953. Position angles scattered. Distances range from "single" to 0.6". Some question duplicity. A is a long-period spectro- scopic binary.

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

position:

position (J1950) RA: 3h 46min 11sec DEC: +23 54' 8''

variability informations:

magnitute at max. brightness 3,6
magnitute at min. brightness 3,65
photometric system visual, photovisual or Johnson's V

spectral information

spectral class B8

references

to a study 0132D (designation: 453)

miscanellous

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