b Pictoris

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 b Pic, NSV 16683, HR 2020, HD 39060, SAO 234134
constellation Pictor

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

position, motion, parallax:

position (J2000) RA: 5h 47min 17,1sec DEC: -51 3' 59''
position (J1900) RA: 5h 44min 54,9sec DEC: -51 6' 9''
proper motion (J2000) RA: 0,011 arcsec/a DEC: 0,085 arcsec/a
radial velocity 20 km/s
note: suspected variable radial velocity
rotational velocity 139 km/s (uncertain) (variable)
trigonometric parallax 0,061 arcsec


visual magnitude 3,85
(V on UBV Johnson system)

spectral / color information

spectral class A5V
B-V-magnitude 0,17
U-B-magnitude 0,1
R-I-magnitude 0,16
note (category: spectra): Shell star.

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

position, motion, parallax:

position (J2000) RA: 5h 47min 17,099sec DEC: -51 3' 59,71'' 0,19 arcsec source: 16
proper motion (J2000) RA: 0,001 arcsec/a DEC: 0,079 arcsec/a source: 25
radial velocity 20 km/s source: 25
trigonometric parallax 0,061 0,006 arcsec source: 25
galactic coord. (B1950) longitude: 258,37 latitude: -30,61
GCI unit vector (J2000) X: 0,034847 Y: 0,62745 Z: -0,777877


visual 3,85 (observed) source: 25
photovisual 3,9 source: 2
photographic 4 source: 2

spectral information:

spectral class A3 source: 96
Morgan-Keenan A5V source: 25
B-magnitude 4,02 0,05 B-V-magnitude 0,17
U-magnitude 4,12 0,05 U-B-magnitude 0,1


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: 5h 46min 5,935sec DEC: -51 5' 1,75'' 0,027 arcsec
position (J2000) RA: 5h 47min 17,115sec DEC: -51 3' 59,17''
proper motion J1950 (FK4) RA: 0,0005 arcsec/a DEC: 0,087 arcsec/a 0,006 arcsec/a in RA
0,004 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0011 arcsec/a DEC: 0,086 arcsec/a
source of proper motion data Determined by source catalog


visual 3,9 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class A3
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.


source catalogue GC, catalogue number: 7287
Durchmusterung CD-51 1620
Boss General Catalogue 7287
Henry Draper Catalogue 39060