20123+3723 SLE 961

 
 
20h 12m 16.25s +37 23' 05.0" P.A. 334 sep 7.4 mag 13.30,14.30
 
 
Coord 2000
20123+3723
Discov num
SLE 961
Comp
Coord arcsec 2000
20 12 16.25 +37 23 05.0
Date first
1985
Date last
2015
Obs
8
Pa first
332
Pa last
334
P.A. Now (θ)
334°
Sep first
7.1
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
13.30
Mag sec
14.30
delta mag (ΔM)
1
Spectral class
Pri motion ra
+002
Sec motion ra
+003
Pri motion dec
-009
Sec motion dec
+000
Notes
R (Red magnitudes)
rPM=0.982
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
333.6
Precise sep
7.449
Constellation
Cygnus
Gaia DR2
96451972736
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+3723 SLE 961 1998 2 333 7.4 13.00 13.80 D 201216.12+372310.5
20123+3723 SLE 961 2002 3 334 7.4 13.30 14.30 R 201216.25+372305.0
20123+3723 SLE 961 2015 4 334 7.5 13.30 14.30 R 201216.25+372305.0

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