20331+2852 ES  507AB

 
 
20h 33m 03.81s +28 51' 48.0" P.A. 295 sep 7.1 mag 8.78,11.40 Sp F dist. 262.47 pc (856.18 l.y.)
 
 
Coord 2000
20331+2852
Discov num
ES  507
Comp
AB
Coord arcsec 2000
20 33 03.81 +28 51 48.0
Date first
1907
Date last
2015
Obs
11
Pa first
296
Pa last
295
P.A. Now (θ)
295°
Sep first
7.3
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
8.78
Mag sec
11.40
delta mag (ΔM)
2.62
Spectral class
F (yellow-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20331+2852 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20331+2852 ES 507 AB 1907 2015 11 295 7.1 8.78 11.40 2.62 <===
Show 20331+2852 ES 507 AC 1892 2015 28 346 36.2 8.78 9.87 1.09
Show 20331+2852 ES 507 AD 1892 2015 19 224 36.8 8.78 10.49 1.71
Show 20331+2852 FYM 137 AE 2000 2015 8 101 42.6 8.78 14.80 6.02
Show 20331+2852 FYM 137 AF 2000 2015 8 176 23.3 8.78 15.20 6.42
Show 20331+2852 FYM 137 AG 2000 2015 8 299 32.9 8.78 14.80 6.02
Show 20331+2852 ES 507 DS 1926 2015 10 146 16.0 10.49 12.80 2.31
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
294.6
Precise sep
7.114
Constellation
Vulpecula
SAO
88827
HIP
101407
Tycho2
2169-00932-1
Gaia DR2
97947885056
HD
195894
BD
BD+28 3790
Distance
262.47
Distance ly
856.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20331+2852 ES 507 AB 2000 3 297 7.2 8.90 11.40 F D 203303.81+285148.0
20331+2852 ES 507 AB 2011 4 294 7.2 8.70 11.40 F D 203303.81+285148.0
20331+2852 ES 507 AB 2015 7 294 7.1 8.78 11.40 F 203303.81+285148.0

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