18570-0027 BAL 899

 
 
18h 57m 04.02s -00 27' 35.7" P.A. 197 sep 10.3 mag 11.30,12.50
 
 
Coord 2000
18570-0027
Discov num
BAL 899
Comp
Coord arcsec 2000
18 57 04.02 -00 27 35.7
Date first
1892
Date last
2015
Obs
5
Pa first
198
Pa last
197
P.A. Now (θ)
197°
Sep first
13.1
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
11.30
Mag sec
12.50
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
-011
Sec motion ra
-004
Pri motion dec
-035
Sec motion dec
-012
Notes
rPM=0.655
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196.6
Precise sep
10.3
Cdsa2 id
BAL 899
Constellation
Aquila
Ra deg
18.951116666666667
De deg
-0.4599166666666667
last precise pa
196.6
last precise sep
10.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18570-0027 BAL 899 1892 1 198 13.1 9.70 11.40 185700.00-002700.0
18570-0027 BAL 899 1999 2 197 10.7 11.30 12.50 D 185704.02-002735.7
18570-0027 BAL 899 2000 3 197 10.6 11.30 12.50 D 185704.02-002735.7
18570-0027 BAL 899 2015 5 197 10.3 11.30 12.50 185704.02-002735.7

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