15403+3019 BRT 253

 
 
15h 40m 16.99s +30 18' 47.6" P.A. 269 sep 5.4 mag 10.09,11.31
 
 
Coord 2000
15403+3019
Discov num
BRT 253
Comp
Coord arcsec 2000
15 40 16.99 +30 18 47.6
Date first
1902
Date last
2011
Obs
8
Pa first
266
Pa last
269
P.A. Now (θ)
269°
Sep first
4.5
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
10.09
Mag sec
11.31
delta mag (ΔM)
1.22
Spectral class
Pri motion ra
+004
Sec motion ra
-024
Pri motion dec
-004
Sec motion dec
-002
Notes
rPM=1.166
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.6
Precise sep
5.39
Constellation
Corona Borealis
Tycho2
2571-01300-1
last precise pa
268.6
last precise sep
5.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15403+3019 BRT 253 1998 6 268 4.9 10.09 11.31 D 154016.99+301847.6
15403+3019 BRT 253 2011 7 269 5.4 10.09 11.31 D 154016.99+301847.6

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