20171+1536 CHE 272

 
 
20h 17m 04.03s +15 35' 04.4" P.A. 105 sep 17.9 mag 12.70,13.30
 
 
Coord 2000
20171+1536
Discov num
CHE 272
Comp
Coord arcsec 2000
20 17 04.03 +15 35 04.4
Date first
1910
Date last
2015
Obs
12
Pa first
108
Pa last
105
P.A. Now (θ)
105°
Sep first
17.1
Sep last
17.9
Sep. Now (ρ)
17.9"
Mag pri
12.70
Mag sec
13.30
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+003
Sec motion ra
+007
Pri motion dec
+000
Sec motion dec
+001
Notes
rPM=0.583
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.8
Precise sep
17.885
Constellation
Delphinus
SAO
105920
Gaia DR2
21439300096
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+1536 CHE 272 2006 2 105 17.8 10.21 10.37 201704.05+153504.7
20171+1536 CHE 272 2008 3 105 18.0 10.21 10.37 201704.05+153504.7
20171+1536 CHE 272 2010 7 105 17.9 12.70 13.30 201704.03+153504.4
20171+1536 CHE 272 2015 8 105 17.9 12.70 13.30 201704.03+153504.4

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