i2Librae


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 i2Lib, 25 Lib, HR 5656, HD 134967, SAO 159105
constellation Libra

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


position, motion, parallax:

position (J2000) RA: 15h 13min 19,2sec DEC: -19 38' 51''
position (J1900) RA: 15h 7min 37,3sec DEC: -19 16' 16''
proper motion (J2000) RA: -0,051 arcsec/a DEC: -0,037 arcsec/a
radial velocity -4 km/s
note: spectroscopic binaries

magnitude

visual magnitude 6,08
(V on UBV Johnson system)

spectral / color information

spectral class A3Vn
B-V-magnitude 0,12

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

position, motion, parallax:

position (J2000) RA: 15h 13min 19,186sec DEC: -19 38' 51,6'' 0,35 arcsec source: 34
proper motion (J2000) RA: -0,0034 arcsec/a DEC: -0,042 arcsec/a source: 25
radial velocity -4 km/s source: 25
galactic coord. (B1950) longitude: 343,04 latitude: 31,96
GCI unit vector (J2000) X: -0,626132 Y: -0,703495 Z: -0,336235

magnitude:

visual 6,08 (observed) source: 25
photovisual 6,6 source: 16

spectral information:

spectral class A2 source: 96
Morgan-Keenan A3Vn source: 25
B-magnitude 6,2 0,05 B-V-magnitude 0,12

sources:

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
34 IRS Catalog
Corbin, T.E., 1991, U.S. Naval Observatory, International Reference Stars Catalog
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: 15h 10min 27,954sec DEC: -19 27' 38,01'' 0,019 arcsec
position (J2000) RA: 15h 13min 19,179sec DEC: -19 38' 50,92''
proper motion J1950 (FK4) RA: -0,0037 arcsec/a DEC: -0,041 arcsec/a 0,003 arcsec/a in RA
0,003 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0036 arcsec/a DEC: -0,037 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 6 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

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

catalogues

source catalogue GC, catalogue number: 20456
Durchmusterung BD-19 4055
Boss General Catalogue 20456
Henry Draper Catalogue 134967