16310-2046 UC 3181

 
 
16h 31m 02.27s -20 46' 09.7" P.A. 31 sep 19 mag 11.80,14.40
 
 
Coord 2000
16310-2046
Discov num
UC 3181
Comp
Coord arcsec 2000
16 31 02.27 -20 46 09.7
Date first
1998
Date last
2016
Obs
5
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
19.9
Sep last
19.0
Sep. Now (ρ)
19"
Mag pri
11.80
Mag sec
14.40
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
-057
Sec motion ra
-055
Pri motion dec
-047
Sec motion dec
-045
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.1
Precise sep
19
Constellation
Ophiuchus
Tycho2
6215-01185-1
last precise pa
31.1
last precise sep
19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16310-2046 UC 3181 1999 2 31 19.9 11.80 14.40 V 163102.27-204609.7
16310-2046 UC 3181 2000 2 31 19.9 11.80 14.40 V 163102.27-204609.7
16310-2046 UC 3181 2010 3 31 19.9 11.80 14.40 V R 163102.27-204609.7
16310-2046 UC 3181 2016 5 31 19.0 11.80 14.40 V R 163102.27-204609.7

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