18543-4252 DON 931

 
 
18h 54m 23.24s -42 51' 49.4" P.A. 246 sep 0.5 mag 9.80,11.20 Sp K1III:
 
 
Coord 2000
18543-4252
Discov num
DON 931
Comp
Coord arcsec 2000
18 54 23.24 -42 51 49.4
Date first
1931
Date last
1936
Obs
2
Pa first
249
Pa last
246
P.A. Now (θ)
246°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.80
Mag sec
11.20
delta mag (ΔM)
1.4
Spectral class
K1III: (yellow-orange)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.8
Precise sep
0.54
Constellation
Corona Austrina
Tycho2
7924-00499-1
Gaia DR2
6715306509763699712
HD
174823
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18543-4252 DON 931 1936 2 246 0.5 9.80 11.20 K1III: 185423.24-425149.4

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