20537+2116 J  2327BC

 
 
20h 53m 43.24s +21 16' 28.4" P.A. 177 sep 4.4 mag 13.50,14.00
 
 
Coord 2000
20537+2116
Discov num
J  2327
Comp
BC
Coord arcsec 2000
20 53 43.24 +21 16 28.4
Date first
1942
Date last
2015
Obs
5
Pa first
180
Pa last
177
P.A. Now (θ)
177°
Sep first
4.0
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
13.50
Mag sec
14.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+002
Sec motion ra
-003
Pri motion dec
+019
Sec motion dec
-007
Notes
rPM=1.386
This double is not physical.
 
 
20537+2116 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20537+2116 J 2327 AB 1942 2015 4 48 68.5 8.29 13.50 5.21
Show 20537+2116 J 2327 BC 1942 2015 5 177 4.4 13.50 14.00 0.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177
Precise sep
4.43
Constellation
Vulpecula
last precise pa
177
last precise sep
4.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20537+2116 J 2327 BC 2000 3 176 4.4 11.80 12.20 D 205343.24+211628.4
20537+2116 J 2327 BC 2001 4 176 4.4 13.50 14.00 D 205343.24+211628.4
20537+2116 J 2327 BC 2015 5 177 4.4 13.50 14.00 205343.24+211628.4

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