20171+1604 CHE 270

 
 
20h 17m 05.64s +16 03' 10.1" P.A. 103 sep 15.9 mag 13.01,13.20
 
 
Coord 2000
20171+1604
Discov num
CHE 270
Comp
Coord arcsec 2000
20 17 05.64 +16 03 10.1
Date first
1910
Date last
2015
Obs
11
Pa first
111
Pa last
103
P.A. Now (θ)
103°
Sep first
13.7
Sep last
15.9
Sep. Now (ρ)
15.9"
Mag pri
13.01
Mag sec
13.20
delta mag (ΔM)
0.19
Spectral class
Pri motion ra
-018
Sec motion ra
+014
Pri motion dec
+002
Sec motion dec
+004
Notes
rPM=1.77
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
102.9
Precise sep
15.918
Constellation
Delphinus
Gaia DR2
37634149632
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+1604 CHE 270 1910 1 111 13.7 13.01 13.20 201705.64+160310.1
20171+1604 CHE 270 1998 2 104 15.5 13.01 13.20 D 201705.64+160310.1
20171+1604 CHE 270 2008 3 103 15.9 13.01 13.20 D 201705.64+160310.1
20171+1604 CHE 270 2010 6 103 15.7 13.01 13.20 201705.64+160310.1
20171+1604 CHE 270 2015 7 103 15.9 13.01 13.20 201705.64+160310.1

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