17128-2329 BRT1504

 
 
17h 12m 45.53s -23 29' 37.7" P.A. 201 sep 4.7 mag 12.50,12.80 Sp A
 
 
Coord 2000
17128-2329
Discov num
BRT1504
Comp
Coord arcsec 2000
17 12 45.53 -23 29 37.7
Date first
1910
Date last
2011
Obs
4
Pa first
22
Pa last
201
P.A. Now (θ)
201°
Sep first
4.8
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
12.50
Mag sec
12.80
delta mag (ΔM)
0.3
Spectral class
A (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.5
Precise sep
4.7
Constellation
Ophiuchus
Tycho2
6812-00662-1
last precise pa
200.5
last precise sep
4.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17128-2329 BRT1504 1925 3 207 4.0 11.49 11.80 171245.53-232937.7
17128-2329 BRT1504 2011 4 201 4.7 11.49 11.80 171245.53-232937.7

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