16284+3112 BRT 255

 
 
16h 28m 24.12s +31 11' 48.7" P.A. 217 sep 4.9 mag 11.40,11.50
 
 
Coord 2000
16284+3112
Discov num
BRT 255
Comp
Coord arcsec 2000
16 28 24.12 +31 11 48.7
Date first
1902
Date last
2015
Obs
17
Pa first
217
Pa last
217
P.A. Now (θ)
217°
Sep first
4.5
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
11.40
Mag sec
11.50
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+021
Sec motion ra
-017
Pri motion dec
-024
Sec motion dec
-023
Notes
rPM=1.192
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
217
Precise sep
4.9
Constellation
Hercules
last precise pa
217
last precise sep
4.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16284+3112 BRT 255 2003 4 216 4.8 11.40 11.50 D 162824.12+311148.7
16284+3112 BRT 255 2009 6 217 4.6 11.40 11.50 D 162824.12+311148.7
16284+3112 BRT 255 2012 9 217 4.9 11.40 11.50 162824.12+311148.7
16284+3112 BRT 255 2015 14 217 4.9 11.40 11.50 162824.12+311148.7

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