20103+3715 SEI 942

 
 
20h 10m 18.33s +37 14' 43.9" P.A. 122 sep 7.5 mag 11.50,12.00
 
 
Coord 2000
20103+3715
Discov num
SEI 942
Comp
Coord arcsec 2000
20 10 18.33 +37 14 43.9
Date first
1896
Date last
2015
Obs
11
Pa first
126
Pa last
122
P.A. Now (θ)
122°
Sep first
7.8
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.50
Mag sec
12.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-002
Sec motion ra
+002
Pri motion dec
-005
Sec motion dec
-004
Notes
rPM=0.766
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.1
Precise sep
7.525
Constellation
Cygnus
Gaia DR2
50941413888
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20103+3715 SEI 942 1998 5 123 7.5 11.50 12.00 D 201018.33+371443.9
20103+3715 SEI 942 2002 6 123 7.6 11.50 12.00 D 201018.33+371443.9
20103+3715 SEI 942 2015 7 122 7.5 11.50 12.00 201018.33+371443.9

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