17377-2102 DON 852

 
 
17h 37m 39.46s -21 02' 21.7" P.A. 39 sep 2 mag 9.83,11.90 Sp A0II/III
 
 
Coord 2000
17377-2102
Discov num
DON 852
Comp
Coord arcsec 2000
17 37 39.46 -21 02 21.7
Date first
1931
Date last
1940
Obs
4
Pa first
38
Pa last
39
P.A. Now (θ)
39°
Sep first
1.7
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
9.83
Mag sec
11.90
delta mag (ΔM)
2.07
Spectral class
A0II/III (white)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.5
Precise sep
1.95
Constellation
Ophiuchus
SAO
185563
Tycho2
6260-01873-1
HD
159841
last precise pa
38.5
last precise sep
1.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17377-2102 DON 852 1940 4 39 2.0 9.83 11.90 A0II/III 173739.46-210221.7

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