17174+4221 SKF2735AB

 
 
17H 17M 26.46S +42 20' 54.7" P.A. 299 SEP 14.2 MAG 15.20,16.30 SP K:+K:
 
 
Coord 2000
17174+4221
Discov num
SKF2735
Comp
AB
Coord arcsec 2000
17 17 26.46 +42 20 54.7
Date first
1954
Date last
2015
Obs
8
Pa first
299
Pa last
299
P.A. Now (θ)
299°
Sep first
14.3
Sep last
14.2
Sep. Now (ρ)
14.2"
Mag pri
15.20
Mag sec
16.30
delta mag (ΔM)
1.1
Spectral class
K:+K: (yellow-orange/yellow-orange)
Pri motion ra
+015
Sec motion ra
+018
Pri motion dec
-013
Sec motion dec
-015
Notes
V (Proper motion indicates physical)
rPM=0.154 (< 0.3, Physical double)
This double is physical.
 
 
17174+4221 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17174+4221 SKF2735 AB 1954 2015 8 299 14.2 15.20 16.30 1.10 <===
Show 17174+4221 SKF2735 AC 2005 2015 2 134 2.4 15.20 19.50 4.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
299.1
last precise sep
14.16