d Pavonis


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. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names d Pav, NSV 12790, HR 7665, HD 190248, SAO 254733, FK5: 754
constellation Pavo

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


position, motion, parallax:

position (J2000) RA: 20h 8min 43,6sec DEC: -66 10' 55''
position (J1900) RA: 19h 58min 54,9sec DEC: -66 26' 12''
proper motion (J2000) RA: 1,207 arcsec/a DEC: -1,131 arcsec/a
radial velocity -22 km/s
trigonometric parallax 0,17 arcsec

magnitude

visual magnitude 3,56
(V on UBV Johnson system)

spectral / color information

spectral class G6-8IV
B-V-magnitude 0,76
U-B-magnitude 0,45
R-I-magnitude 0,34
note (category: spectra): Metal rich star with normal Doppler broadening.

variability information

variable star identification 12790
note (category: variability): 3.52 - 3.65V.

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

position, motion, parallax:

position (J2000) RA: 20h 8min 43,581sec DEC: -66 10' 55,45'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,1993 arcsec/a DEC: -1,131 arcsec/a source: 25
radial velocity -22 km/s source: 25
trigonometric parallax 0,17 0,017 arcsec source: 25
galactic coord. (B1950) longitude: 329,79 latitude: -32,4
GCI unit vector (J2000) X: 0,215082 Y: -0,341789 Z: -0,914833

magnitude:

visual 3,56 (observed) source: 25
photovisual 3,6 source: 2
photographic 4,4 source: 2

spectral information:

spectral class G5 source: 96
Morgan-Keenan G6-8IV source: 25
B-magnitude 4,32 0,05 B-V-magnitude 0,76
U-magnitude 4,77 0,05 U-B-magnitude 0,45

variability information:

source of data: 28
variability type 9
var. amplitude 0,13

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
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: 20h 3min 50,451sec DEC: -66 18' 43,41'' 0,011 arcsec
position (J2000) RA: 20h 8min 43,492sec DEC: -66 10' 55,28''
proper motion J1950 (FK4) RA: 0,1988 arcsec/a DEC: -1,141 arcsec/a 0,003 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,1984 arcsec/a DEC: -1,129 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,6 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class G5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 754
Durchmusterung CP-66 3474
Boss General Catalogue 27886
Henry Draper Catalogue 190248

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

position:

position (J1950) RA: 20h 3min 50,5sec DEC: -66 18' 43''

variability informations:

magnitute at max. brightness 3,52
magnitute at min. brightness 3,65
photometric system visual, photovisual or Johnson's V

spectral information

spectral class G8

references

to a study 551537D (designation: DELTA PAV)

miscanellous

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