18553-0139 BAL 587

 
 
18h 55m 31.16s -01 33' 24.6" P.A. 219 sep 6.8 mag 14.20,13.60
 
 
Coord 2000
18553-0139
Discov num
BAL 587
Comp
Coord arcsec 2000
18 55 31.16 -01 33 24.6
Date first
1895
Date last
2015
Obs
5
Pa first
221
Pa last
219
P.A. Now (θ)
219°
Sep first
9.8
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
14.20
Mag sec
13.60
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
Sec motion ra
+003
Pri motion dec
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.7
Precise sep
6.789
Constellation
Aquila
Gaia DR2
4265033646049412608
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18553-0139 BAL 587 1895 1 221 9.8 10.70 10.70 185520.00-013900.0
18553-0139 BAL 587 2000 2 222 6.9 10.70 10.70 185531.16-013324.6
18553-0139 BAL 587 2015 5 219 6.8 14.20 13.60 185531.16-013324.6

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