18210-4406 DON 890

 
 
18h 20m 57.95s -44 06' 09.7" P.A. 235 sep 0.9 mag 10.92,11.26 Sp G1/2
 
 
Coord 2000
18210-4406
Discov num
DON 890
Comp
Coord arcsec 2000
18 20 57.95 -44 06 09.7
Date first
1931
Date last
1991
Obs
4
Pa first
232
Pa last
235
P.A. Now (θ)
235°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.92
Mag sec
11.26
delta mag (ΔM)
0.34
Spectral class
G1/2 (yellow)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
+004
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
234.7
Precise sep
0.891
Constellation
Corona Austrina
Tycho2
7913-00754-1
HD
168258
last precise pa
234.7
last precise sep
0.891
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18210-4406 DON 890 1991 4 235 0.9 10.92 11.26 G1/2 182057.95-440609.7

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