20170+1538 CHE 269

 
 
20h 17m 02.07s +15 38' 03.8" P.A. 285 sep 26.9 mag 9.30,10.90 Sp A7+G3
 
 
Coord 2000
20170+1538
Discov num
CHE 269
Comp
Coord arcsec 2000
20 17 02.07 +15 38 03.8
Date first
1904
Date last
2016
Obs
19
Pa first
274
Pa last
285
P.A. Now (θ)
285°
Sep first
29.2
Sep last
26.9
Sep. Now (ρ)
26.9"
Mag pri
9.30
Mag sec
10.90
delta mag (ΔM)
1.6
Spectral class
A7+G3 (white/yellow)
Pri motion ra
-026
Sec motion ra
+001
Pri motion dec
-055
Sec motion dec
-006
Notes
U (Proper motion indicates non-physical)
rPM=0.92
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285
Precise sep
26.929
Constellation
Delphinus
SAO
105920
Tycho2
1631-00209-1
Gaia DR2
28329545600
HD
355380
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20170+1538 CHE 269 2006 6 284 27.0 8.97 9.92 D 201702.07+153803.8
20170+1538 CHE 269 2008 7 284 27.2 8.97 9.92 D 201702.07+153803.8
20170+1538 CHE 269 2013 10 285 26.6 8.97 9.92 201702.07+153803.8
20170+1538 CHE 269 2016 13 285 26.9 9.30 10.90 A7+G3 U 201702.07+153803.8

If you need more information about this double, apply for a data request form to the WDS.