20028+2331 POU4188AB

 
 
20h 02m 44.78s +23 31' 21.0" P.A. 314 sep 16.6 mag 10.54,14.00
 
 
Coord 2000
20028+2331
Discov num
POU4188
Comp
AB
Coord arcsec 2000
20 02 44.78 +23 31 21.0
Date first
1898
Date last
2015
Obs
8
Pa first
328
Pa last
314
P.A. Now (θ)
314°
Sep first
15.6
Sep last
16.6
Sep. Now (ρ)
16.6"
Mag pri
10.54
Mag sec
14.00
delta mag (ΔM)
3.46
Spectral class
Pri motion ra
+057
Sec motion ra
Pri motion dec
+050
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20028+2331 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20028+2331 POU4188 AB 1898 2015 8 314 16.6 10.54 14.00 3.46 <===
Show 20028+2331 BKO 756 AC 2000 2015 8 296 16.9 10.50 13.50 3.00
Show 20028+2331 BKO 756 BC 2000 2015 7 218 5.2 14.00 13.50 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313.5
Precise sep
16.598
Constellation
Vulpecula
Tycho2
2141-00911-1
Gaia DR2
54739971840
HD
345559
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028+2331 POU4188 AB 2009 3 314 16.2 10.54 14.00 D 200244.78+233121.0
20028+2331 POU4188 AB 2015 5 314 16.6 10.54 14.00 200244.78+233121.0

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