20123+1607 CHE 189

 
 
20h 12m 16.07s +16 06' 29.8" P.A. 84 sep 18.1 mag 12.80,12.60
 
 
Coord 2000
20123+1607
Discov num
CHE 189
Comp
Coord arcsec 2000
20 12 16.07 +16 06 29.8
Date first
1910
Date last
2015
Obs
11
Pa first
86
Pa last
84
P.A. Now (θ)
84°
Sep first
18.6
Sep last
18.1
Sep. Now (ρ)
18.1"
Mag pri
12.80
Mag sec
12.60
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+003
Sec motion ra
+007
Pri motion dec
+001
Sec motion dec
+007
Notes
rPM=0.728
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.4
Precise sep
18.102
Constellation
Aquila
Gaia DR2
98787858944
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+1607 CHE 189 1910 1 86 18.6 9.94 11.50 201216.03+160631.6
20123+1607 CHE 189 2008 2 84 18.2 9.94 11.50 201216.03+160631.6
20123+1607 CHE 189 2015 5 84 18.1 12.80 12.60 201216.07+160629.8

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