20177+3518 ES 2302

 
 
20h 17m 43.37s +35 18' 38.3" P.A. 341 sep 3.5 mag 10.11,12.30 Sp G5
 
 
Coord 2000
20177+3518
Discov num
ES 2302
Comp
Coord arcsec 2000
20 17 43.37 +35 18 38.3
Date first
1927
Date last
2011
Obs
3
Pa first
351
Pa last
341
P.A. Now (θ)
341°
Sep first
3.3
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.11
Mag sec
12.30
delta mag (ΔM)
2.19
Spectral class
G5 (yellow)
Pri motion ra
+038
Sec motion ra
Pri motion dec
+028
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.4
Precise sep
3.45
Constellation
Cygnus
Tycho2
2680-00452-1
Gaia DR2
87487448320
HD
228775
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20177+3518 ES 2302 1988 2 345 3.6 10.11 12.30 201743.37+351838.3
20177+3518 ES 2302 2011 3 341 3.5 10.11 12.30 201743.37+351838.3

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