20187+3720 SLE 995

 
 
20h 18m 42.33s +37 19' 57.7" P.A. 143 sep 8.8 mag 11.60,11.60
 
 
Coord 2000
20187+3720
Discov num
SLE 995
Comp
Coord arcsec 2000
20 18 42.33 +37 19 57.7
Date first
1985
Date last
2015
Obs
8
Pa first
142
Pa last
143
P.A. Now (θ)
143°
Sep first
8.6
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
11.60
Mag sec
11.60
delta mag (ΔM)
0
Spectral class
Pri motion ra
-006
Sec motion ra
-004
Pri motion dec
-004
Sec motion dec
-005
Notes
rPM=0.31
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143.1
Precise sep
8.819
Constellation
Cygnus
Gaia DR2
75894082176
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187+3720 SLE 995 2000 2 146 8.8 11.60 11.60 D 201842.20+372002.4
20187+3720 SLE 995 2009 3 143 8.9 11.60 11.60 D 201842.20+372002.4
20187+3720 SLE 995 2015 8 143 8.8 11.60 11.60 201842.33+371957.7

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