20030-2040 DON 975

 
 
20h 02m 54.06s -20 39' 25.3" P.A. 122 sep 0.9 mag 11.50,11.50
 
 
Coord 2000
20030-2040
Discov num
DON 975
Comp
Coord arcsec 2000
20 02 54.06 -20 39 25.3
Date first
1929
Date last
2015
Obs
3
Pa first
121
Pa last
122
P.A. Now (θ)
122°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.50
Mag sec
11.50
delta mag (ΔM)
0
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.6
Precise sep
0.941
Constellation
Sagittarius
Gaia DR2
94407109632
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20030-2040 DON 975 1941 2 122 0.8 11.50 11.50 200254.06-203925.3
20030-2040 DON 975 2015 3 122 0.9 11.50 11.50 200254.06-203925.3

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