20028+3142 ES  358

 
 
20h 02m 47.74s +31 41' 45.6" P.A. 198 sep 8 mag 9.46,12.00 Sp F0 dist. 299.4 pc (976.64 l.y.)
 
 
Coord 2000
20028+3142
Discov num
ES  358
Comp
Coord arcsec 2000
20 02 47.74 +31 41 45.6
Date first
1902
Date last
2018
Obs
15
Pa first
199
Pa last
198
P.A. Now (θ)
198°
Sep first
7.3
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
9.46
Mag sec
12.00
delta mag (ΔM)
2.54
Spectral class
F0 (yellow-white)
Pri motion ra
+004
Sec motion ra
+006
Pri motion dec
-026
Sec motion dec
-027
Notes
N (See Notes)
rPM=0.081 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.7
Precise sep
8
Constellation
Cygnus
SAO
69305
HIP
98700
Tycho2
2670-01207-1
Gaia DR2
60813349248
HD
331701
BD
BD+31 3904
Distance
299.4
Distance ly
976.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028+3142 ES 358 2002 8 197 8.0 9.46 12.00 F0 N D 200247.74+314145.6
20028+3142 ES 358 2010 9 197 8.1 9.46 12.00 F0 N 200247.74+314145.6
20028+3142 ES 358 2015 10 197 8.0 9.46 12.00 F0 N 200247.74+314145.6
20028+3142 ES 358 2018 11 198 8.0 9.46 12.00 F0 N 200247.74+314145.6

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