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
Constellation
Aquila
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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