20158+3759 SLE 978

 
 
20h 15m 48.62s +37 59' 18.7" P.A. 198 sep 11.8 mag 12.50,12.49
 
 
Coord 2000
20158+3759
Discov num
SLE 978
Comp
Coord arcsec 2000
20 15 48.62 +37 59 18.7
Date first
1985
Date last
2015
Obs
9
Pa first
195
Pa last
198
P.A. Now (θ)
198°
Sep first
11.7
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
12.50
Mag sec
12.49
delta mag (ΔM)
0.01
Spectral class
Pri motion ra
-005
Sec motion ra
-003
Pri motion dec
+007
Sec motion dec
-003
Notes
rPM=1.185
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
198.2
Precise sep
11.837
Constellation
Cygnus
Tycho2
3151-03306-1
Gaia DR2
34090298752
HD
228624
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20158+3759 SLE 978 1998 2 198 11.8 10.10 12.90 D 201548.52+375911.4
20158+3759 SLE 978 2008 3 199 11.7 10.10 12.90 D 201548.52+375911.4
20158+3759 SLE 978 2015 5 198 11.8 12.50 12.49 201548.62+375918.7

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