18488-0120 BAL 585

 
 
18h 48m 47.94s -01 20' 41.5" P.A. 149 sep 4.6 mag 11.10,11.50 Sp A2
 
 
Coord 2000
18488-0120
Discov num
BAL 585
Comp
Coord arcsec 2000
18 48 47.94 -01 20 41.5
Date first
1895
Date last
2016
Obs
11
Pa first
151
Pa last
149
P.A. Now (θ)
149°
Sep first
4.9
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
11.10
Mag sec
11.50
delta mag (ΔM)
0.4
Spectral class
A2 (white)
Pri motion ra
-005
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.7
Precise sep
4.622
Constellation
Aquila
last precise pa
148.7
last precise sep
4.622
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18488-0120 BAL 585 2003 7 149 4.6 9.80 10.10 N D 184847.94-012041.5
18488-0120 BAL 585 2004 8 148 4.6 9.80 10.10 N D 184847.94-012041.5
18488-0120 BAL 585 2016 11 149 4.6 11.10 11.50 A2 N 184847.94-012041.5

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