20110+4536 ES  499AB

 
 
20h 10m 59.20s +45 36' 03.8" P.A. 331 sep 13.6 mag 8.32,12.30 Sp B9
 
 
Coord 2000
20110+4536
Discov num
ES  499
Comp
AB
Coord arcsec 2000
20 10 59.20 +45 36 03.8
Date first
1907
Date last
2015
Obs
8
Pa first
340
Pa last
331
P.A. Now (θ)
331°
Sep first
14.4
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
8.32
Mag sec
12.30
delta mag (ΔM)
3.98
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
+001
Sec motion dec
-007
Notes
rPM=1.265
This double is not physical.
 
 
20110+4536 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20110+4536 ES 499 AB 1907 2015 8 331 13.6 8.32 12.30 3.98 <===
Show 20110+4536 ES 499 AC 1907 2015 8 85 25.7 8.32 13.97 5.65
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.9
Precise sep
13.637
Constellation
Cygnus
SAO
49285
Tycho2
3559-00502-1
Gaia DR2
17605663488
HD
192036
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20110+4536 ES 499 AB 2004 3 332 13.6 8.32 12.30 B9 D 201059.20+453603.8
20110+4536 ES 499 AB 2010 5 331 13.4 8.32 12.30 B9 201059.20+453603.8
20110+4536 ES 499 AB 2015 8 331 13.6 8.32 12.30 B9 201059.20+453603.8

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