18597-0019 J  1754AC

 
 
18h 59m 55.07s -00 17' 34.3" P.A. 356 sep 7.9 mag 9.80,11.00 Sp K2
 
 
Coord 2000
18597-0019
Discov num
J  1754
Comp
AC
Coord arcsec 2000
18 59 55.07 -00 17 34.3
Date first
1895
Date last
2013
Obs
11
Pa first
0
Pa last
356
P.A. Now (θ)
356°
Sep first
6.6
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
9.80
Mag sec
11.00
delta mag (ΔM)
1.2
Spectral class
K2 (yellow-orange)
Pri motion ra
+006
Sec motion ra
+001
Pri motion dec
-014
Sec motion dec
+001
Notes
rPM=1.038
This double is not physical.
 
 
18597-0019 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18597-0019 J 1754 AB 1941 2013 7 245 9.1 9.80 13.20 3.40
Show 18597-0019 J 1754 AC 1895 2013 11 356 7.9 9.80 11.00 1.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.3
Precise sep
7.89
Constellation
Aquila
last precise pa
356.3
last precise sep
7.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18597-0019 J 1754 AC 2004 3 356 7.9 9.80 11.00 K2 185943.36-001850.4
18597-0019 J 1754 AC 2012 9 356 7.9 9.80 11.00 K2 185955.07-001734.3
18597-0019 J 1754 AC 2013 10 356 7.9 9.80 11.00 K2 185955.07-001734.3

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