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Doubles in session


Current system
20131+1455
CHE 206


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

20131+1455 CHE 206

 
 
20h 13m 05.24s +14° 54' 40.2" P.A. 209.00 sep 28.0 mag 10.13,10.30
 
 
Coord 2000
20131+1455
 Discov num
CHE 206
 Comp
Coord arcsec 2000
20 13 05.24 +14 54 40.2
Date first
1910
 Date last
2015
 Obs
12
Pa first
211
 Pa last
209
 P.A. Now (θ)
209°
Sep first
31.5
 Sep last
28.0
 Sep. Now (ρ)
28"
Mag pri
10.13
 Mag sec
10.30
 delta mag (ΔM)
0.17
 Spectral class
Pri motion ra
-019
 Sec motion ra
+000
Pri motion dec
-029
 Sec motion dec
-008
Notes
rPM=0.817
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
209
 Precise sep
27.981
 Constellation
Aquila
 Gaia DR2
1808271116695439616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20131+1455 CHE 206 1998 3 209 28.5 10.13 10.30 D 201305.24+145440.2
20131+1455 CHE 206 2008 4 209 28.3 10.13 10.30 D 201305.24+145440.2
20131+1455 CHE 206 2010 7 209 28.4 10.13 10.30 201305.24+145440.2
20131+1455 CHE 206 2015 8 209 28.0 10.13 10.30 201305.24+145440.2

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