18341-4218 DON 910

 
 
18h 34m 07.81s -42 17' 41.1" P.A. 143 sep 0.6 mag 9.60,11.80 Sp A2/3IV
 
 
Coord 2000
18341-4218
Discov num
DON 910
Comp
Coord arcsec 2000
18 34 07.81 -42 17 41.1
Date first
1931
Date last
1936
Obs
2
Pa first
147
Pa last
143
P.A. Now (θ)
143°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.60
Mag sec
11.80
delta mag (ΔM)
2.2
Spectral class
A2/3IV (white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143
Precise sep
0.62
Constellation
Corona Austrina
SAO
229116
Tycho2
7910-00686-1
HD
170961
last precise pa
143
last precise sep
0.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18341-4218 DON 910 1936 2 143 0.6 9.60 11.80 A2/3IV 183407.81-421741.1

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