20312+2855 ES  506

 
 
20h 31m 14.38s +28 55' 05.7" P.A. 304 sep 5.9 mag 9.63,12.10 Sp G5
 
 
Coord 2000
20312+2855
Discov num
ES  506
Comp
Coord arcsec 2000
20 31 14.38 +28 55 05.7
Date first
1892
Date last
2015
Obs
8
Pa first
306
Pa last
304
P.A. Now (θ)
304°
Sep first
6.0
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
9.63
Mag sec
12.10
delta mag (ΔM)
2.47
Spectral class
G5 (yellow)
Pri motion ra
+006
Sec motion ra
+005
Pri motion dec
+007
Sec motion dec
+006
Notes
rPM=0.153 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.6
Precise sep
5.908
Constellation
Vulpecula
SAO
88792
Tycho2
2169-01445-1
Gaia DR2
79255969920
HD
334605
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20312+2855 ES 506 1999 3 303 5.9 9.63 12.10 G5 D 203114.38+285505.7
20312+2855 ES 506 2002 4 304 6.0 9.63 12.10 G5 D 203114.38+285505.7
20312+2855 ES 506 2015 5 304 5.9 9.63 12.10 G5 203114.38+285505.7

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