17480+5707 MLB1077AB

 
 
17H 47M 57.47S +57 06' 40.0" P.A. 212 SEP 4.6 MAG 9.24,11.10 SP G5
 
 
Coord 2000
17480+5707
Discov num
MLB1077
Comp
AB
Coord arcsec 2000
17 47 57.47 +57 06 40.0
Date first
1918
Date last
2015
Obs
8
Pa first
182
Pa last
212
P.A. Now (θ)
212°
Sep first
11.3
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
9.24
Mag sec
11.10
delta mag (ΔM)
1.86
Spectral class
G5 (yellow)
Pri motion ra
+020
Sec motion ra
Pri motion dec
-080
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17480+5707 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30580 17480+5707 MLB1077 AB 1918 2015 8 212 4.6 9.24 11.10 1.86 <===
Show 30580 17480+5707 MLB1077 AC 1918 2015 4 29 23.4 9.24 13.90 4.66
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30580
Tycho2
3910-00595-1
HD
238759
last precise pa
212.4
last precise sep
4.55