15271+5127 TDS9521

 
 
15H 27M 07.44S +51 26' 53.9" P.A. 138 SEP 3.3 MAG 11.87,12.40
 
 
Coord 2000
15271+5127
Discov num
TDS9521
Comp
Coord arcsec 2000
15 27 07.44 +51 26 53.9
Date first
1903
Date last
2016
Obs
6
Pa first
123
Pa last
138
P.A. Now (θ)
138°
Sep first
2.5
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
11.87
Mag sec
12.40
delta mag (ΔM)
0.53
Spectral class
Pri motion ra
-018
Sec motion ra
+005
Pri motion dec
+021
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
Tycho2
3488-00785-1
last precise pa
138.3
last precise sep
3.306