p1Pegasi


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 p1Peg, 27 Peg, HR 8449, HD 210354, SAO 72064, FK5: 833, WDS 22092+3310A
constellation Pegasus

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


position, motion, parallax:

position (J2000) RA: 22h 9min 13,6sec DEC: +33 10' 20''
position (J1900) RA: 22h 4min 47,7sec DEC: +32 41' 1''
proper motion (J2000) RA: -0,059 arcsec/a DEC: -0,067 arcsec/a
radial velocity -6 km/s
note: suspected variable radial velocity
trigonometric parallax 0,006 arcsec

magnitude

visual magnitude 5,58
(V on UBV Johnson system)

spectral / color information

spectral class G8IIIb
B-V-magnitude 1
U-B-magnitude 0,77

double/multiple star system information

number of components of multiple star system 5
separation 70,2 arcsec
mag difference (of double or brightest multiple) 5,8
component ID AC
note (category: double and multiple data): Components B and C optical.

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

position, motion, parallax:

position (J2000) RA: 22h 9min 13,64sec DEC: +33 10' 20,44'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0047 arcsec/a DEC: -0,067 arcsec/a source: 25
radial velocity -6 km/s source: 25
trigonometric parallax 0,006 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 87,93 latitude: -18,45
GCI unit vector (J2000) X: 0,741146 Y: -0,388998 Z: 0,547159

magnitude:

visual 5,58 (observed) source: 25
photovisual 5,7 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan G8IIIb source: 25
B-magnitude 6,58 0,05 B-V-magnitude 1
U-magnitude 7,35 0,05 U-B-magnitude 0,77

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 27,7 arcsec
magnitude difference between brightest and second brightest component 6,3
position angle 323

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
15 FK5, FK5 Extension and FK5 Supplement
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991
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: 22h 7min 0,491sec DEC: +32 55' 38,77'' 0,005 arcsec
position (J2000) RA: 22h 9min 13,645sec DEC: +33 10' 20,52''
proper motion J1950 (FK4) RA: -0,0048 arcsec/a DEC: -0,062 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0047 arcsec/a DEC: -0,066 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,6 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class K0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 833
Durchmusterung BD+32 4349
Boss General Catalogue 30995
Henry Draper Catalogue 210354

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

position and proper motion:

position (J2000) RA: 22h 9,2min DEC: +33 10'
proper motion (J2000) RA: -0,059 arcsec/a DEC: -0,067 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 1877 5 314 27,4'' 5,58 11,9 G8III BU 1511
1934 323 27,7''
AC 1879 4 262 72,8'' 5,58 10,1 - BU 1511
1923 263 70,2''
AD 1880 4 90 185,2'' 5,6 10,6 - BU 1511
1923 89 189,2''
AE 1909 1 299 116,4'' 5,6 12,5 - BU 1511

discoverer information:

discoverer code discoverer reference
BU 1511 Burnham, S.W. -

notes:

note Pi (1) Peg.