18507+0843 J  1835

 
 
18h 50m 41.12s +08 43' 11.7" P.A. 176 sep 8.5 mag 10.64,11.58
 
 
Coord 2000
18507+0843
Discov num
J  1835
Comp
Coord arcsec 2000
18 50 41.12 +08 43 11.7
Date first
1898
Date last
2015
Obs
8
Pa first
175
Pa last
176
P.A. Now (θ)
176°
Sep first
8.6
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
10.64
Mag sec
11.58
delta mag (ΔM)
0.94
Spectral class
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-006
Sec motion dec
-010
Notes
rPM=0.398
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176
Precise sep
8.537
Constellation
Aquila
Gaia DR2
4311097342069604736
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18507+0843 J 1835 2005 5 176 8.5 10.64 11.58 D 185041.12+084311.7
18507+0843 J 1835 2010 7 177 8.2 10.64 11.58 185041.12+084311.7
18507+0843 J 1835 2015 8 176 8.5 10.64 11.58 185041.12+084311.7

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