19305+4246 KOI2687AB

 
 
19H 30M 27.62S +42 45' 51.3" P.A. 239 SEP 2.8 MAG 8.70,13.00
 
 
Coord 2000
19305+4246
Discov num
KOI2687
Comp
AB
Coord arcsec 2000
19 30 27.62 +42 45 51.3
Date first
2014
Date last
2014
Obs
1
Pa first
239
Pa last
239
P.A. Now (θ)
239°
Sep first
2.8
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
8.70
Mag sec
13.00
delta mag (ΔM)
4.3
Spectral class
Pri motion ra
-019
Sec motion ra
Pri motion dec
+021
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19305+4246 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19305+4246 KOI2687 AB 2014 2014 1 239 2.8 8.70 13.00 4.30 <===
Show 19305+4246 KOI2687 AC 2014 2014 1 267 3.8 8.70 14.50 5.80
Show 19305+4246 KOI2687 AD 2014 2014 1 106 5.2 8.70 14.90 6.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3143-00175-1
last precise pa
238.5
last precise sep
2.774