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Doubles in session


Current system
20141+1612
CHE 223


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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20141+1612 CHE 223

 
 
20h 14m 06.64s +16° 12' 08.0" P.A. 82.00 sep 8.5 mag 13.75,14.70
 
 
Coord 2000
20141+1612
 Discov num
CHE 223
 Comp
Coord arcsec 2000
20 14 06.64 +16 12 08.0
Date first
1910
 Date last
2015
 Obs
7
Pa first
80
 Pa last
82
 P.A. Now (θ)
82°
Sep first
8.7
 Sep last
8.5
 Sep. Now (ρ)
8.5"
Mag pri
13.75
 Mag sec
14.70
 delta mag (ΔM)
0.95
 Spectral class
Pri motion ra
-002
 Sec motion ra
+035
Pri motion dec
+001
 Sec motion dec
-006
Notes
rPM=1.06
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
81.9
 Precise sep
8.511
 Constellation
Sagitta
 SAO
105864
Gaia DR2
1808691100080958208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20141+1612 CHE 223 1984 2 83 8.4 13.75 14.70 201406.64+161208.0
20141+1612 CHE 223 1998 3 82 8.5 13.75 14.70 D 201406.64+161208.0
20141+1612 CHE 223 2008 4 82 8.4 13.75 14.70 D 201406.64+161208.0
20141+1612 CHE 223 2010 6 81 8.2 13.75 14.70 201406.64+161208.0
20141+1612 CHE 223 2015 7 82 8.5 13.75 14.70 201406.64+161208.0

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