18439-0013 A   859

 
 
18h 43m 53.55s -00 13' 27.8" P.A. 12 sep 0.2 mag 8.60,9.13 Sp A0
 
 
Coord 2000
18439-0013
Discov num
A   859
Comp
Coord arcsec 2000
18 43 53.55 -00 13 27.8
Date first
1904
Date last
2008
Obs
21
Pa first
16
Pa last
12
P.A. Now (θ)
12°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.60
Mag sec
9.13
delta mag (ΔM)
0.53
Spectral class
A0 (white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.5
Precise sep
0.246
Constellation
Aquila
SAO
142560
last precise pa
11.5
last precise sep
0.246
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18439-0013 A 859 1995 20 14 0.3 8.60 9.13 A0 184353.55-001327.8
18439-0013 A 859 2008 21 192 0.2 8.60 9.13 A0 184353.55-001327.8

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