18517+4859 JKA  10AB

 
 
18h 51m 39.03s +48 58' 46.8" P.A. 154 sep 260.2 mag 10.00,9.90
 
 
Coord 2000
18517+4859
Discov num
JKA  10
Comp
AB
Coord arcsec 2000
18 51 39.03 +48 58 46.8
Date first
1897
Date last
2015
Obs
9
Pa first
155
Pa last
154
P.A. Now (θ)
154°
Sep first
260.2
Sep last
260.2
Sep. Now (ρ)
260.2"
Mag pri
10.00
Mag sec
9.90
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-015
Sec motion ra
-008
Pri motion dec
-042
Sec motion dec
-039
Notes
V (Proper motion indicates physical)
rPM=0.171 (< 0.3, Physical double)
This double is physical.
 
 
18517+4859 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18517+4859 JKA 10 AB 1897 2015 9 154 260.2 10.00 9.90 0.10 <===
Show 18517+4859 KPP2666 AC 1998 2015 3 192 13.5 10.00 15.40 5.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.7
Precise sep
260.2
Constellation
Draco
SAO
47867
Tycho2
3548-00855-1
Gaia DR2
33639740800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18517+4859 JKA 10 AB 2015 9 154 260.1 10.00 9.90 V 185139.03+485846.8

If you need more information about this double, apply for a data request form to the WDS.