p Lupi


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


catalogues and names p Lup, HR 5605, HD 133242, SAO 225426, WDS 15051-4703A
constellation Lupus

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


position, motion, parallax:

position (J2000) RA: 15h 5min 7,2sec DEC: -47 3' 4''
position (J1900) RA: 14h 58min 18,4sec DEC: -46 39' 35''
proper motion (J2000) RA: -0,02 arcsec/a DEC: -0,019 arcsec/a
radial velocity 5 km/s
note: spectroscopic binaries
rotational velocity 161 km/s (uncertain) (variable)
dynamical parallax 0,009 arcsec

magnitude

visual magnitude 4,72
(original HR magnitude)

spectral / color information

spectral class B5V
B-V-magnitude -0,14
U-B-magnitude -0,59
R-I-magnitude -0,11

double/multiple star system information

separation 1,8 arcsec
mag difference (of double or brightest multiple) 0,1
note Worley (1978) update of the IDS
note (category: double and multiple data): Binary with HR 5606. Colors for combined light. Blended mag. 3.88V. vsini for combined light.

miscellaneous information

note (category: group membership): Member of the local association (Pleiades group); Sco-Cen assoc.

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

position, motion, parallax:

position (J2000) RA: 15h 5min 7,158sec DEC: -47 3' 4,61'' 0,19 arcsec source: 16
proper motion (J2000) RA: -0,0023 arcsec/a DEC: -0,03 arcsec/a source: 25
radial velocity 5 km/s source: 25
galactic coord. (B1950) longitude: 325,33 latitude: 9,93
GCI unit vector (J2000) X: -0,470902 Y: -0,492423 Z: -0,731964

magnitude:

visual 4,72 (observed) source: 25
photovisual 3,4 source: 16
photographic 4,6 source: 2

spectral information:

spectral class B5 source: 96
Morgan-Keenan B5V source: 25
B-magnitude 4,58 0,05 B-V-magnitude -0,14
U-magnitude 3,99 0,05 U-B-magnitude -0,59

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 1,6 arcsec
magnitude difference between brightest and second brightest component 0,2
position angle 68

component magnitude spectral class catalogue(s)/name(s)
A 4,72 B5 p Lupi, HR 5605, HD 133242, SAO 225426
B 4,82 B5 p Lupi, HR 5606, HD 133243, SAO 225426

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: 15h 1min 42,169sec DEC: -46 51' 24,82'' 0,022 arcsec
position (J2000) RA: 15h 5min 7,184sec DEC: -47 3' 3,99''
proper motion J1950 (FK4) RA: -0,0019 arcsec/a DEC: -0,021 arcsec/a 0,004 arcsec/a in RA
0,003 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0019 arcsec/a DEC: -0,019 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 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.

remarks for duplicity and variability

Double star in Aitken's Double Star Catalogue (Aitken 1932)

catalogues

source catalogue GC, catalogue number: 20271
Durchmusterung CD-46 9773
Boss General Catalogue 20271
Henry Draper Catalogue 133242
The "SAO Catalog" entry refers to two consecutive HD numbers, the lower of which is given.

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

position and proper motion:

position (J2000) RA: 15h 5,1min DEC: -47 3'
proper motion (J2000) RA: -0,023 arcsec/a DEC: -0,022 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
- 1835 80 111 0,8'' 4,6 4,8 B5V HJ 4728
1990 68 1,6''

discoverer information:

discoverer code discoverer reference
HJ 4728 Herschel, J. -

notes:

note Pi Lup. Both components are spectroscopic binaries.