20050+1544 BPM1983AB

 
 
20h 05m 00.70s +15 43' 52.1" P.A. 137.00 sep 117.4 mag 13.94,15.64
 
 
Coord 2000
20050+1544
Discov num
BPM1983
Comp
AB
Coord arcsec 2000
20 05 00.70 +15 43 52.1
Date first
1984
Date last
2015
Obs
8
Pa first
138
Pa last
137
P.A. Now (θ)
137°
Sep first
117.6
Sep last
117.4
Sep. Now (ρ)
117.4"
Mag pri
13.94
Mag sec
15.64
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
-015
Sec motion ra
+013
Pri motion dec
-026
Sec motion dec
-015
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.002
This double is physical.
 
 
20050+1544 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20050+1544 BPM1983 AB 1984 2015 8 137 117.4 13.94 15.64 1.70 <===
Show 20050+1544 BPM1984 BC 1993 2015 8 8 33.6 15.64 14.55 1.09
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.2
Precise sep
117.422
Constellation
Aquila
Gaia DR2
98623708416
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20050+1544 BPM1983 AB 2000 2 137 117.5 13.94 15.64 NV 200500.70+154352.1
20050+1544 BPM1983 AB 2001 3 137 117.6 13.94 15.64 NV 200500.70+154352.1
20050+1544 BPM1983 AB 2015 4 137 117.4 13.94 15.64 NV 200500.70+154352.1

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