20166+1603 CHE 264

 
 
20h 16m 33.72s +16 03' 23.0" P.A. 36 sep 28.3 mag 12.50,13.22
 
 
Coord 2000
20166+1603
Discov num
CHE 264
Comp
Coord arcsec 2000
20 16 33.72 +16 03 23.0
Date first
1910
Date last
2015
Obs
11
Pa first
37
Pa last
36
P.A. Now (θ)
36°
Sep first
29.5
Sep last
28.3
Sep. Now (ρ)
28.3"
Mag pri
12.50
Mag sec
13.22
delta mag (ΔM)
0.72
Spectral class
Pri motion ra
+009
Sec motion ra
+003
Pri motion dec
+001
Sec motion dec
-002
Notes
rPM=0.741
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.5
Precise sep
28.287
Constellation
Delphinus
Gaia DR2
50439564800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20166+1603 CHE 264 1998 2 36 28.5 10.05 11.50 D 201633.72+160323.0
20166+1603 CHE 264 2008 3 36 28.3 10.05 11.50 D 201633.72+160323.0
20166+1603 CHE 264 2010 6 36 28.4 12.50 13.22 201633.72+160323.0
20166+1603 CHE 264 2015 7 35 28.3 12.50 13.22 201633.72+160323.0

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