16221+0507 LDS 984

 
 
16h 21m 55.21s +05 07' 26.6" P.A. 94 sep 21.6 mag 12.06,14.11
 
 
Coord 2000
16221+0507
Discov num
LDS 984
Comp
Coord arcsec 2000
16 21 55.21 +05 07 26.6
Date first
1936
Date last
2010
Obs
4
Pa first
94
Pa last
94
P.A. Now (θ)
94°
Sep first
21.0
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
12.06
Mag sec
14.11
delta mag (ΔM)
2.05
Spectral class
Pri motion ra
-105
Sec motion ra
-104
Pri motion dec
+021
Sec motion dec
+024
Notes
rPM=0.03 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
93.8
Precise sep
21.63
Constellation
Hercules
Tycho2
0376-00425-1
last precise pa
93.8
last precise sep
21.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16221+0507 LDS 984 2000 2 94 21.6 13.50 15.80 D 162155.21+050726.6
16221+0507 LDS 984 2010 4 94 21.6 12.06 14.11 162155.21+050726.6

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