Fomalhaut


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 Fomalhaut, a PsA, NSV 14372, 24 PsA, HR 8728, HD 216956, SAO 191524, FK5: 867
other names Os Piscis Meridiani, Os Piscis Notii, Difda als Auwel, First Frog (the)
constellation Piscis Austrinus

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

note (category: star names): FOMALHAUT; Os Piscis Meridiani; Os Piscis Notii; Difda al Auwel, the "First Frog."

object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 22h 57min 39,1sec DEC: -29 37' 20''
position (J1900) RA: 22h 52min 7,6sec DEC: -30 9' 8''
proper motion (J2000) RA: 0,333 arcsec/a DEC: -0,165 arcsec/a
radial velocity 7 km/s
rotational velocity 100 km/s (uncertain) (variable)
trigonometric parallax 0,149 arcsec

magnitude

visual magnitude 1,16
(V on UBV Johnson system)

spectral / color information

spectral class A3V
B-V-magnitude 0,09
U-B-magnitude 0,08
R-I-magnitude 0,02

variability information

variable star identification 14372

double/multiple star system information

note (category: double and multiple data): CPM with HR 8721.

miscellaneous information

note (category: stellar radii or diameters): Diam. = 0.00198 - 0.00210".

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

position, motion, parallax:

position (J2000) RA: 22h 57min 39,055sec DEC: -29 37' 20,1'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0255 arcsec/a DEC: -0,165 arcsec/a source: 25
radial velocity 7 km/s source: 25
trigonometric parallax 0,149 0,015 arcsec source: 25
galactic coord. (B1950) longitude: 20,5 latitude: -64,9
GCI unit vector (J2000) X: 0,837332 Y: -0,233587 Z: -0,494279

magnitude:

visual 1,16 (observed) source: 25
photovisual 1,3 source: 2
photographic 1,4 source: 2

spectral information:

spectral class A3 source: 96
Morgan-Keenan A3V source: 25
B-magnitude 1,25 0,05 B-V-magnitude 0,09
U-magnitude 1,33 0,05 U-B-magnitude 0,08

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: 22h 54min 53,531sec DEC: -29 53' 15,79'' 0,005 arcsec
position (J2000) RA: 22h 57min 39,071sec DEC: -29 37' 20,09''
proper motion J1950 (FK4) RA: 0,0258 arcsec/a DEC: -0,161 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0257 arcsec/a DEC: -0,165 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 1,3 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

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

catalogues

source catalogue FK4, catalogue number: 867
Durchmusterung CD-3019370
Boss General Catalogue 32000
Henry Draper Catalogue 216956

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

position:

position (J1950) RA: 22h 54min 53,5sec DEC: -29 53' 16''

variability informations:

magnitute at max. brightness 1,15
magnitute at min. brightness
photometric system visual, photovisual or Johnson's V

spectral information

spectral class A3

references

to a study 662019D (designation: HR 8728)

miscanellous

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