20304+5014 ES 1100

 
 
20h 30m 24.25s +50 14' 54.7" P.A. 285 sep 2.6 mag 10.85,11.14
 
 
Coord 2000
20304+5014
Discov num
ES 1100
Comp
Coord arcsec 2000
20 30 24.25 +50 14 54.7
Date first
1911
Date last
2015
Obs
7
Pa first
282
Pa last
285
P.A. Now (θ)
285°
Sep first
2.3
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.85
Mag sec
11.14
delta mag (ΔM)
0.29
Spectral class
Pri motion ra
+011
Sec motion ra
+008
Pri motion dec
-010
Sec motion dec
-009
Notes
rPM=0.213 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.4
Precise sep
2.562
Constellation
Cygnus
Tycho2
3581-00158-1
Gaia DR2
06795562240
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20304+5014 ES 1100 2003 5 285 2.5 10.85 11.14 203024.25+501454.7
20304+5014 ES 1100 2015 7 285 2.6 10.85 11.14 203024.25+501454.7

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