20042+4442 KOI 917AB

 
 
20h 04m 11.89s +44 42' 22.6" P.A. 42 sep 2.7 mag 13.50,18.00
 
 
Coord 2000
20042+4442
Discov num
KOI 917
Comp
AB
Coord arcsec 2000
20 04 11.89 +44 42 22.6
Date first
2010
Date last
2010
Obs
1
Pa first
42
Pa last
42
P.A. Now (θ)
42°
Sep first
2.7
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
13.50
Mag sec
18.00
delta mag (ΔM)
4.5
Spectral class
Pri motion ra
+000
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
20042+4442 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20042+4442 KOI 917 AB 2010 2010 1 42 2.7 13.50 18.00 4.50 <===
Show 20042+4442 KOI 917 AC 2010 2010 1 177 3.9 13.50 17.80 4.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.4
Precise sep
2.661
Cdsa2 id
KOI 917 AB
Constellation
Cygnus
Ra deg
20.069969444444443
De deg
44.70627777777778
last precise pa
42.4
last precise sep
2.661
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20042+4442 KOI 917 AB 2010 1 42 2.7 13.50 18.00 K 200411.89+444222.6

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