20282+2901 ES  504AB

 
 
20h 28m 15.33s +29 01' 24.0" P.A. 86 sep 5.9 mag 11.10,12.10 Sp F5
 
 
Coord 2000
20282+2901
Discov num
ES  504
Comp
AB
Coord arcsec 2000
20 28 15.33 +29 01 24.0
Date first
1907
Date last
2004
Obs
5
Pa first
87
Pa last
86
P.A. Now (θ)
86°
Sep first
6.0
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
11.10
Mag sec
12.10
delta mag (ΔM)
1
Spectral class
F5 (yellow-white)
Pri motion ra
+000
Sec motion ra
+031
Pri motion dec
-001
Sec motion dec
-003
Notes
rPM=0.997
This double is not physical.
 
 
20282+2901 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20282+2901 TDT2308 Aa,Ab 1991 1991 1 343 0.6 11.78 11.84 0.06
Show 20282+2901 ES 504 AB 1907 2004 5 86 5.9 11.10 12.10 1.00 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.3
Precise sep
5.85
Constellation
Vulpecula
SAO
88720
Tycho2
2168-00889-1
Gaia DR2
03927256448
HD
334487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20282+2901 ES 504 AB 2004 4 86 5.9 11.10 12.10 F5 D 202815.33+290124.0
20282+2901 ES 504 AB 2010 6 87 5.4 11.10 12.10 F5 202815.33+290124.0

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