16238-0021 BAL 887

 
 
16h 23m 47.79s -00 21' 28.4" P.A. 191 sep 13.4 mag 11.25,13.28
 
 
Coord 2000
16238-0021
Discov num
BAL 887
Comp
Coord arcsec 2000
16 23 47.79 -00 21 28.4
Date first
1897
Date last
2010
Obs
4
Pa first
188
Pa last
191
P.A. Now (θ)
191°
Sep first
13.2
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
11.25
Mag sec
13.28
delta mag (ΔM)
2.03
Spectral class
Pri motion ra
-002
Sec motion ra
-006
Pri motion dec
-012
Sec motion dec
-010
Notes
rPM=0.368
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.2
Precise sep
13.42
Constellation
Ophiuchus
last precise pa
191.2
last precise sep
13.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16238-0021 BAL 887 1999 2 191 13.3 11.53 12.50 D 162347.79-002128.4
16238-0021 BAL 887 2000 3 191 13.3 11.53 12.50 D 162347.79-002128.4
16238-0021 BAL 887 2010 4 192 13.2 11.25 13.28 162347.79-002128.4

If you need more information about this double, apply for a data request form to the WDS.