20170+4017 CNT   5

 
 
20h 16m 58.28s +40 17' 18.0" P.A. 331 sep 5.9 mag 9.15,10.91 Sp OB
 
 
Coord 2000
20170+4017
Discov num
CNT   5
Comp
Coord arcsec 2000
20 16 58.28 +40 17 18.0
Date first
1998
Date last
2014
Obs
3
Pa first
331
Pa last
331
P.A. Now (θ)
331°
Sep first
5.9
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
9.15
Mag sec
10.91
delta mag (ΔM)
1.76
Spectral class
OB (blue)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
331
last precise sep
5.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20170+4017 CNT 5 2014 3 331 5.9 11.20   201658.28+401718.0

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