18107+0417 BAL2917

 
 
18h 10m 36.87s +04 17' 14.6" P.A. 259 sep 19.7 mag 11.60,11.04
 
 
Coord 2000
18107+0417
Discov num
BAL2917
Comp
Coord arcsec 2000
18 10 36.87 +04 17 14.6
Date first
1910
Date last
2016
Obs
5
Pa first
254
Pa last
259
P.A. Now (θ)
259°
Sep first
17.2
Sep last
19.7
Sep. Now (ρ)
19.7"
Mag pri
11.60
Mag sec
11.04
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
+028
Sec motion ra
-001
Pri motion dec
-021
Sec motion dec
-015
Notes
rPM=0.846
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.6
Precise sep
19.698
Constellation
Ophiuchus
Tycho2
0439-03843-1
last precise pa
258.6
last precise sep
19.698
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18107+0417 BAL2917 2000 2 257 19.0 11.81 12.20 D 181036.87+041714.6
18107+0417 BAL2917 2016 5 259 19.7 11.60 11.04 181036.87+041714.6

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