20187+3715 SLE 994

 
 
20h 18m 39.50s +37 15' 13.7" P.A. 353 sep 14.5 mag 12.17,14.34
 
 
Coord 2000
20187+3715
Discov num
SLE 994
Comp
Coord arcsec 2000
20 18 39.50 +37 15 13.7
Date first
1985
Date last
2015
Obs
10
Pa first
352
Pa last
353
P.A. Now (θ)
353°
Sep first
14.1
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
12.17
Mag sec
14.34
delta mag (ΔM)
2.17
Spectral class
Pri motion ra
-007
Sec motion ra
+005
Pri motion dec
+002
Sec motion dec
+020
Notes
rPM=1.049
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.3
Precise sep
14.542
Constellation
Cygnus
Gaia DR2
03946302336
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187+3715 SLE 994 1998 2 353 14.4 11.60 12.30 D 201839.36+371521.9
20187+3715 SLE 994 2009 3 354 14.6 11.60 12.30 D 201839.36+371521.9
20187+3715 SLE 994 2010 5 353 14.7 12.17 14.34 201839.50+371513.7
20187+3715 SLE 994 2015 6 353 14.6 12.17 14.34 201839.50+371513.7

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