p Arietis


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 p Ari, NSV 00944, 42 Ari, HR 836, HD 17543, SAO 93127, WDS 02493+1728A
constellation Aries

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


position, motion, parallax:

position (J2000) RA: 2h 49min 17,5sec DEC: +17 27' 51''
position (J1900) RA: 2h 43min 42,6sec DEC: +17 2' 54''
proper motion (J2000) RA: -0,001 arcsec/a DEC: -0,015 arcsec/a
radial velocity 9 km/s
note: spectroscopic binaries
note: orbital data avaible
rotational velocity 79 km/s (uncertain) (variable)

magnitude

visual magnitude 5,22
(V on UBV Johnson system)

spectral / color information

spectral class B6V
B-V-magnitude -0,06
U-B-magnitude -0,47

variability information

variable star identification 944

double/multiple star system information

number of components of multiple star system 4
separation 0 arcsec
mag difference (of double or brightest multiple) 3
component ID A
note (category: double and multiple data): AB CPM. B 8.8v, A0Vp at 3.2", RV -21k/s, probably optical; C 10.72V, +0.60(B-V), +0.60(U-B), F8V at 25". A is close SB pair with computed sep. 0.00004".
note (category: spectroscopic binaries): ADS 2151A, 3.854d, K 24.8k/s, V0 +7.8k/s, asini 1.31.

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

position, motion, parallax:

position (J2000) RA: 2h 49min 17,533sec DEC: +17 27' 51,86'' 0,43 arcsec source: 16
proper motion (J2000) RA: -0,0005 arcsec/a DEC: -0,009 arcsec/a source: 25
radial velocity 9 km/s source: 25
galactic coord. (B1950) longitude: 158,94 latitude: -37,04
GCI unit vector (J2000) X: 0,705278 Y: 0,642273 Z: 0,300113

magnitude:

visual 5,22 (observed) source: 25
photovisual 5,3 source: 2
photographic 5,1 source: 16

spectral information:

spectral class B5 source: 96
Morgan-Keenan B6V source: 25
B-magnitude 5,16 0,05 B-V-magnitude -0,06
U-magnitude 4,69 0,05 U-B-magnitude -0,47

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 3,2 arcsec
magnitude difference between brightest and second brightest component 3,5
position angle 119

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: 2h 46min 29,805sec DEC: +17 15' 27,06'' 0,016 arcsec
position (J2000) RA: 2h 49min 17,519sec DEC: +17 27' 51,4''
proper motion J1950 (FK4) RA: -0,0001 arcsec/a DEC: -0,012 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0001 arcsec/a DEC: -0,015 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,3 (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: 3378
Durchmusterung BD+16 355
Boss General Catalogue 3378
Henry Draper Catalogue 17543

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

position and proper motion:

position (J2000) RA: 2h 49,3min DEC: +17 28'
proper motion (J2000) RA: 0,009 arcsec/a DEC: -0,012 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
AB 1832 49 121 3,2'' 5,3 8,8 B6V STF 311
1983 119 -
AC 1832 27 110 25,2'' 5,3 10,72 - STF 311
BC 1879 1 108 21,8'' - - - STF 311

discoverer information:

discoverer code discoverer reference
STF 311 Struve, F.G.W. -

notes:

note Pi Ari. A is a spectroscopic and occultation binary.

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

position:

position (J1950) RA: 2h 46min 29,8sec DEC: +17 15' 27''

variability informations:

variability type -
magnitute at max. brightness 5,21
magnitute at min. brightness
photometric system visual, photovisual or Johnson's V

spectral information

spectral class B6

references

to a study 0132D (designation: 311)

miscanellous

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