20168+3755 SLE 984

 
 
20h 16m 50.75s +37 55' 16.9" P.A. 174 sep 8.2 mag 12.80,14.10
 
 
Coord 2000
20168+3755
Discov num
SLE 984
Comp
Coord arcsec 2000
20 16 50.75 +37 55 16.9
Date first
1985
Date last
2015
Obs
8
Pa first
175
Pa last
174
P.A. Now (θ)
174°
Sep first
8.0
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
12.80
Mag sec
14.10
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-004
Sec motion dec
-010
Notes
R (Red magnitudes)
rPM=0.575
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174
Precise sep
8.233
Constellation
Cygnus
Gaia DR2
49451181056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20168+3755 SLE 984 1998 2 174 8.2 12.60 13.10 D 201650.69+375508.6
20168+3755 SLE 984 2002 3 174 8.2 12.80 14.10 R 201650.75+375516.9
20168+3755 SLE 984 2015 4 174 8.2 12.80 14.10 R 201650.75+375516.9

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