m1Gruis

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

catalogues and names m1Gru, HR 8486, HD 211088, SAO 231055, FK5: 3777
constellation Grus

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


position, motion, parallax:

position (J2000) RA: 22h 15min 36,9sec DEC: -41° 20' 48''
position (J1900) RA: 22h 9min 35,5sec DEC: -41° 50' 39''
proper motion (J2000) RA: 0,044 arcsec/a DEC: 0,022 arcsec/a
radial velocity -7 km/s
note: spectroscopic binaries
trigonometric parallax 0,009 arcsec

magnitude

visual magnitude 4,79
(V on UBV Johnson system)

spectral / color information

spectral class G8III+G
B-V-magnitude 0,8
U-B-magnitude 0,47

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

position, motion, parallax:

position (J2000) RA: 22h 15min 36,925sec DEC: -41° 20' 48,26'' ±0,22 arcsec source: 15
proper motion (J2000) RA: 0,0039 arcsec/a DEC: 0,022 arcsec/a source: 25
radial velocity -7 km/s source: 25
trigonometric parallax 0,009 ±0,001 arcsec source: 25
galactic coord. (B1950) longitude: 358,66° latitude: -55,16°
GCI unit vector (J2000) X: 0,674194 Y: -0,330228 Z: -0,660614

magnitude:

visual 4,79 (observed) source: 25
photovisual 4,9 source: 2

spectral information:

spectral class G0 source: 96
Morgan-Keenan G8III+G source: 25
B-magnitude 5,59 ±0,05 B-V-magnitude 0,8
U-magnitude 6,06 ±0,05 U-B-magnitude 0,47

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 0,2 arcsec
position angle 83 °

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 12min 36,64sec DEC: -41° 35' 46,57'' ±0,02 arcsec
position (J2000) RA: 22h 15min 36,978sec DEC: -41° 20' 47,86''
proper motion J1950 (FK4) RA: 0,0045 arcsec/a DEC: 0,03 arcsec/a ±0,004 arcsec/a in RA
±0,004 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0046 arcsec/a DEC: 0,026 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,9 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class G0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 31125
Durchmusterung CD-4114810
Boss General Catalogue 31125
Henry Draper Catalogue 211088