20169+3743 SLE 985

 
 
20h 16m 54.89s +37 42' 48.5" P.A. 186 sep 14.1 mag 11.36,13.70
 
 
Coord 2000
20169+3743
Discov num
SLE 985
Comp
Coord arcsec 2000
20 16 54.89 +37 42 48.5
Date first
1985
Date last
2015
Obs
9
Pa first
185
Pa last
186
P.A. Now (θ)
186°
Sep first
14.0
Sep last
14.1
Sep. Now (ρ)
14.1"
Mag pri
11.36
Mag sec
13.70
delta mag (ΔM)
2.34
Spectral class
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-004
Sec motion dec
-008
Notes
rPM=0.483
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186
Precise sep
14.107
Constellation
Cygnus
SAO
69754
Gaia DR2
43862332928
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+3743 SLE 985 1998 2 186 14.2 10.60 12.70 D 201654.80+374242.3
20169+3743 SLE 985 2002 3 186 14.0 11.36 13.70 201654.89+374248.5
20169+3743 SLE 985 2010 4 187 14.1 11.36 13.70 201654.89+374248.5
20169+3743 SLE 985 2015 5 186 14.1 11.36 13.70 201654.89+374248.5

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