20139+1441 CHE 221

 
 
20h 13m 52.26s +14 41' 22.0" P.A. 7 sep 17.5 mag 9.98,10.41 Sp G0
 
 
Coord 2000
20139+1441
Discov num
CHE 221
Comp
Coord arcsec 2000
20 13 52.26 +14 41 22.0
Date first
1897
Date last
2016
Obs
16
Pa first
10
Pa last
7
P.A. Now (θ)
Sep first
19.3
Sep last
17.5
Sep. Now (ρ)
17.5"
Mag pri
9.98
Mag sec
10.41
delta mag (ΔM)
0.43
Spectral class
G0 (yellow)
Pri motion ra
+007
Sec motion ra
+000
Pri motion dec
+005
Sec motion dec
-011
Notes
rPM=1.588
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7
Precise sep
17.5
Constellation
Aquila
SAO
105862
Tycho2
1085-00739-1
Gaia DR2
44303166976
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20139+1441 CHE 221 2004 7 7 17.8 9.98 10.41 D 201352.26+144122.0
20139+1441 CHE 221 2008 8 8 17.6 9.98 10.41 D 201352.26+144122.0
20139+1441 CHE 221 2010 11 7 17.5 9.98 10.41 G0 201352.26+144122.0
20139+1441 CHE 221 2016 12 7 17.5 9.98 10.41 G0 201352.26+144122.0

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