20115+3722 SEI 973

 
 
20h 11m 28.47s +37 21' 36.3" P.A. 106.00 sep 20.8 mag 12.22,12.36
 
 
Coord 2000
20115+3722
Discov num
SEI 973
Comp
Coord arcsec 2000
20 11 28.47 +37 21 36.3
Date first
1896
Date last
2015
Obs
12
Pa first
110
Pa last
106
P.A. Now (θ)
106°
Sep first
20.2
Sep last
20.8
Sep. Now (ρ)
20.8"
Mag pri
12.22
Mag sec
12.36
delta mag (ΔM)
0.14
Spectral class
Pri motion ra
-003
Sec motion ra
+003
Pri motion dec
-005
Sec motion dec
+001
Notes
rPM=1.455
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.7
Precise sep
20.793
Constellation
Cygnus
SAO
69573
Tycho2
2683-00425-1
Gaia DR2
54129446528
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20115+3722 SEI 973 1998 4 106 20.8 12.25 11.84 D 201128.47+372136.3
20115+3722 SEI 973 2002 5 106 20.8 12.25 11.84 D 201128.47+372136.3
20115+3722 SEI 973 2011 6 106 20.8 12.25 11.84 D 201128.47+372136.3
20115+3722 SEI 973 2015 8 106 20.8 12.22 12.36 201128.47+372136.3

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