15128+5617 STI2318

 
 
15h 12m 47.08s +56 16' 54.6" P.A. 138 sep 9 mag 10.80,11.70
 
 
Coord 2000
15128+5617
Discov num
STI2318
Comp
Coord arcsec 2000
15 12 47.08 +56 16 54.6
Date first
1911
Date last
2016
Obs
5
Pa first
135
Pa last
138
P.A. Now (θ)
138°
Sep first
8.6
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
10.80
Mag sec
11.70
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+001
Sec motion ra
+009
Pri motion dec
-009
Sec motion dec
-016
Notes
rPM=0.579
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138
Precise sep
8.989
Constellation
Draco
Tycho2
3871-00135-1
last precise pa
138
last precise sep
8.989
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15128+5617 STI2318 1999 2 137 8.9 10.80 11.70 D 151247.08+561654.6
15128+5617 STI2318 2003 3 137 8.9 10.80 11.70 D 151247.08+561654.6
15128+5617 STI2318 2016 5 138 9.0 10.80 11.70 151247.08+561654.6

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