16445+0228 BAL1922

 
 
16h 44m 30.55s +02 27' 45.1" P.A. 178 sep 7.4 mag 11.20,11.40
 
 
Coord 2000
16445+0228
Discov num
BAL1922
Comp
Coord arcsec 2000
16 44 30.55 +02 27 45.1
Date first
1909
Date last
2014
Obs
6
Pa first
178
Pa last
178
P.A. Now (θ)
178°
Sep first
7.8
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
11.20
Mag sec
11.40
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+008
Sec motion ra
+009
Pri motion dec
-002
Sec motion dec
-004
Notes
rPM=0.227 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.4
Precise sep
7.4
Constellation
Ophiuchus
last precise pa
178.4
last precise sep
7.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16445+0228 BAL1922 2000 3 176 7.5 11.20 11.40 D 164430.55+022745.1
16445+0228 BAL1922 2014 5 178 7.4 11.20 11.40 164430.55+022745.1

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