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
 
 
Constellation
Cygnus
last precise pa
42.4
last precise sep
2.661