18390+3501 POP  17

 
 
18h 38m 58.69s +35 02' 16.8" P.A. 16 sep 8.6 mag 13.27,13.31
 
 
Coord 2000
18390+3501
Discov num
POP  17
Comp
Coord arcsec 2000
18 38 58.69 +35 02 16.8
Date first
1968
Date last
2011
Obs
10
Pa first
18
Pa last
16
P.A. Now (θ)
16°
Sep first
8.9
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
13.27
Mag sec
13.31
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-007
Sec motion ra
+004
Pri motion dec
-002
Sec motion dec
-009
Notes
rPM=1.324
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
15.8
Precise sep
8.63
Constellation
Lyra
last precise pa
15.8
last precise sep
8.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18390+3501 POP 17 1995 6 15 8.8 14.00 14.10 183900.00+350100.0
18390+3501 POP 17 1998 7 16 8.6 13.27 13.31 D 183858.69+350216.8
18390+3501 POP 17 2002 8 16 8.6 13.27 13.31 D 183858.69+350216.8
18390+3501 POP 17 2011 9 16 8.6 13.27 13.31 D 183858.69+350216.8

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