18565-4401 DON 935

 
 
18h 56m 31.74s -44 01' 23.6" P.A. 29 sep 0.8 mag 10.40,13.50 Sp A2/3III
 
 
Coord 2000
18565-4401
Discov num
DON 935
Comp
Coord arcsec 2000
18 56 31.74 -44 01 23.6
Date first
1931
Date last
1936
Obs
2
Pa first
26
Pa last
29
P.A. Now (θ)
29°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
10.40
Mag sec
13.50
delta mag (ΔM)
3.1
Spectral class
A2/3III (white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.1
Precise sep
0.84
Constellation
Corona Austrina
Tycho2
7928-01557-1
HD
175238
last precise pa
29.1
last precise sep
0.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18565-4401 DON 935 1936 2 29 0.8 10.40 13.50 A2/3III 185631.74-440123.6

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