18597-0019 J  1754AB

 
 
18h 59m 55.07s -00 17' 34.3" P.A. 245 sep 9.1 mag 9.80,13.20 Sp K2
 
 
Coord 2000
18597-0019
Discov num
J  1754
Comp
AB
Coord arcsec 2000
18 59 55.07 -00 17 34.3
Date first
1941
Date last
2013
Obs
7
Pa first
250
Pa last
245
P.A. Now (θ)
245°
Sep first
7.0
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
9.80
Mag sec
13.20
delta mag (ΔM)
3.4
Spectral class
K2 (yellow-orange)
Pri motion ra
+006
Sec motion ra
-007
Pri motion dec
-014
Sec motion dec
+002
Notes
rPM=1.353
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
245.2
Precise sep
9.09
Constellation
Aquila
last precise pa
245.2
last precise sep
9.09
 
 
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 AB 1941 1 250 7.0 9.80 13.20 K2 185943.36-001850.4
18597-0019 J 1754 AB 2000 4 244 9.1 9.80 13.20 K2 185955.07-001734.3
18597-0019 J 1754 AB 2012 6 245 9.1 9.80 13.20 K2 185955.07-001734.3
18597-0019 J 1754 AB 2013 7 245 9.1 9.80 13.20 K2 185955.07-001734.3

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