20136+1537 BKO 535BC

 
 
20h 13m 37.41s +15 36' 39.7" P.A. 325 sep 5.5 mag 12.60,12.70
 
 
Coord 2000
20136+1537
Discov num
BKO 535
Comp
BC
Coord arcsec 2000
20 13 37.41 +15 36 39.7
Date first
1998
Date last
2015
Obs
8
Pa first
327
Pa last
325
P.A. Now (θ)
325°
Sep first
5.5
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
12.60
Mag sec
12.70
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+010
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20136+1537 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20136+1537 CHE 215 AB 1910 2017 11 95 32.4 11.82 13.79 1.97
Show 20136+1537 BKO 535 BC 1998 2015 8 325 5.5 12.60 12.70 0.10 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
325.3
Precise sep
5.505
Constellation
Aquila
Tycho2
1618-01383-1
Gaia DR2
57795455232
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20136+1537 BKO 535 BC 2008 1 326 5.4 10.39 12.50 N 201337.41+153639.7
20136+1537 BKO 535 BC 2015 4 326 5.5 12.60 12.70 N 201337.41+153639.7

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