20183+1556 CHE 292

 
 
20h 18m 15.39s +15 56' 05.2" P.A. 181 sep 15.7 mag 9.44,11.00 Sp A3
 
 
Coord 2000
20183+1556
Discov num
CHE 292
Comp
Coord arcsec 2000
20 18 15.39 +15 56 05.2
Date first
1910
Date last
2015
Obs
12
Pa first
178
Pa last
181
P.A. Now (θ)
181°
Sep first
16.4
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
9.44
Mag sec
11.00
delta mag (ΔM)
1.56
Spectral class
A3 (white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.6
Precise sep
15.669
Constellation
Delphinus
Tycho2
1631-00053-1
Gaia DR2
11481419264
HD
355369
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20183+1556 CHE 292 1998 3 180 15.7 9.44 11.00 D 201815.39+155605.2
20183+1556 CHE 292 2008 4 181 15.9 9.44 11.00 D 201815.39+155605.2
20183+1556 CHE 292 2010 7 181 15.6 9.44 11.00 A3 201815.39+155605.2
20183+1556 CHE 292 2015 8 181 15.7 9.44 11.00 A3 201815.39+155605.2

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