d1Telescopii


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


catalogues and names d1Tel, HR 6934, HD 170465, SAO 229092
constellation Telescopium

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


position, motion, parallax:

position (J2000) RA: 18h 31min 45,4sec DEC: -45 54' 54''
position (J1900) RA: 18h 24min 20,9sec DEC: -45 58' 55''
proper motion (J2000) RA: -0,008 arcsec/a DEC: -0,032 arcsec/a
radial velocity 7 km/s
note: spectroscopic binaries, single lined spectra
note: orbital data avaible
rotational velocity 33 km/s (uncertain) (variable)

magnitude

visual magnitude 4,96
(V on UBV Johnson system)

spectral / color information

spectral class B6IV
B-V-magnitude -0,11
U-B-magnitude -0,42

double/multiple star system information

note (category: spectroscopic binaries): 18.8456d, K 65k/s, V0 +7k/s, asini 14.5.

miscellaneous information

note (category: group membership): Sco-Cen assoc.

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

position, motion, parallax:

position (J2000) RA: 18h 31min 45,455sec DEC: -45 54' 53,35'' 0,19 arcsec source: 16
proper motion (J2000) RA: 0 arcsec/a DEC: -0,033 arcsec/a source: 25
radial velocity 7 km/s source: 25
galactic coord. (B1950) longitude: 349,06 latitude: -15,93
GCI unit vector (J2000) X: 0,096098 Y: -0,689058 Z: -0,718306

magnitude:

visual 4,96 (observed) source: 25
photovisual 5 source: 16
photographic 5 source: 2

spectral information:

spectral class B8 source: 96
Morgan-Keenan B6IV source: 25
B-magnitude 4,85 0,05 B-V-magnitude -0,11
U-magnitude 4,43 0,05 U-B-magnitude -0,42

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
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: 18h 28min 3,189sec DEC: -45 57' 2,62'' 0,028 arcsec
position (J2000) RA: 18h 31min 45,389sec DEC: -45 54' 53,8''
proper motion J1950 (FK4) RA: -0,0007 arcsec/a DEC: -0,03 arcsec/a 0,005 arcsec/a in RA
0,005 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0008 arcsec/a DEC: -0,032 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class B8
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 25269
Durchmusterung CD-4512550
Boss General Catalogue 25269
Henry Draper Catalogue 170465