19023+4958 KOI 253AB

 
 
19H 02M 17.84S +49 57' 44.2" P.A. 163 SEP 4.6 MAG 12.30,13.90
 
 
Coord 2000
19023+4958
Discov num
KOI 253
Comp
AB
Coord arcsec 2000
19 02 17.84 +49 57 44.2
Date first
2003
Date last
2014
Obs
2
Pa first
165
Pa last
163
P.A. Now (θ)
163°
Sep first
4.9
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
12.30
Mag sec
13.90
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
-012
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19023+4958 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19023+4958 KOI 253 AB 2003 2014 2 163 4.6 12.30 13.90 1.60 <===
Show 19023+4958 KOI 253 AC 2014 2014 1 172 4.7 12.30 17.80 5.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
last precise pa
163.4
last precise sep
4.595