m2Gruis


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 m2Gru, HR 8488, HD 211202, SAO 231063
constellation Grus

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


position, motion, parallax:

position (J2000) RA: 22h 16min 26,6sec DEC: -41 37' 39''
position (J1900) RA: 22h 10min 25,6sec DEC: -42 7' 29''
proper motion (J2000) RA: -0,005 arcsec/a DEC: -0,013 arcsec/a
radial velocity 13 km/s
note: spectroscopic binaries
trigonometric parallax 0,01 arcsec

magnitude

visual magnitude 5,1
(V on UBV Johnson system)

spectral / color information

spectral class G8III
B-V-magnitude 0,92

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

position, motion, parallax:

position (J2000) RA: 22h 16min 26,542sec DEC: -41 37' 37,9'' 0,19 arcsec source: 16
proper motion (J2000) RA: -0,0022 arcsec/a DEC: -0,003 arcsec/a source: 25
radial velocity 13 km/s source: 25
trigonometric parallax 0,01 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 358,12 latitude: -55,26
GCI unit vector (J2000) X: 0,672464 Y: -0,326378 Z: -0,664281

magnitude:

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

spectral information:

spectral class G5 source: 96
Morgan-Keenan G8III source: 25
B-magnitude 6,02 0,05 B-V-magnitude 0,92

sources:

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
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 13min 26,498sec DEC: -41 52' 36,94'' 0,029 arcsec
position (J2000) RA: 22h 16min 26,648sec DEC: -41 37' 38,57''
proper motion J1950 (FK4) RA: -0,0006 arcsec/a DEC: -0,009 arcsec/a 0,006 arcsec/a in RA
0,005 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0005 arcsec/a DEC: -0,013 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,2 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

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

catalogues

source catalogue GC, catalogue number: 31138
Durchmusterung CD-4215846
Boss General Catalogue 31138
Henry Draper Catalogue 211202