12219-2140 DON 524

 
 
12h 21m 52.57s -21 39' 50.7" P.A. 249 sep 1.9 mag 11.14,11.37 Sp G0
 
 
Coord 2000
12219-2140
Discov num
DON 524
Comp
Coord arcsec 2000
12 21 52.57 -21 39 50.7
Date first
1930
Date last
1991
Obs
3
Pa first
244
Pa last
249
P.A. Now (θ)
249°
Sep first
1.5
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
11.14
Mag sec
11.37
delta mag (ΔM)
0.23
Spectral class
G0 (yellow)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.8
Precise sep
1.903
Constellation
Corvus
SAO
180723
Tycho2
6108-01220-2
last precise pa
248.8
last precise sep
1.903
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12219-2140 DON 524 1991 3 249 1.9 11.14 11.37 G0 122152.57-213950.7

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