20174+1522 CHE 276

 
 
20h 17m 27.96s +15° 21' 46.9" P.A. 261.00 sep 18.0 mag 11.00,11.50
 
 
Coord 2000
20174+1522
Discov num
CHE 276
Comp
Coord arcsec 2000
20 17 27.96 +15 21 46.9
Date first
1910
Date last
2015
Obs
12
Pa first
260
Pa last
261
P.A. Now (θ)
261°
Sep first
19.3
Sep last
18.0
Sep. Now (ρ)
18"
Mag pri
11.00
Mag sec
11.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-124
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
261.1
Precise sep
18.009
Constellation
Delphinus
Gaia DR2
1808355886468814976
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20174+1522 CHE 276 2006 3 261 18.1 11.00 11.50 D 201727.96+152146.9
20174+1522 CHE 276 2008 4 261 18.1 11.00 11.50 D 201727.96+152146.9
20174+1522 CHE 276 2010 7 261 17.8 11.00 11.50 201727.96+152146.9
20174+1522 CHE 276 2015 8 261 18.0 11.00 11.50 201727.96+152146.9

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