18481+5721 STI2389

 
 
18h 48m 05.29s +57 20' 43.7" P.A. 226 sep 13.8 mag 11.89,12.50
 
 
Coord 2000
18481+5721
Discov num
STI2389
Comp
Coord arcsec 2000
18 48 05.29 +57 20 43.7
Date first
1903
Date last
2010
Obs
6
Pa first
238
Pa last
226
P.A. Now (θ)
226°
Sep first
11.2
Sep last
13.8
Sep. Now (ρ)
13.8"
Mag pri
11.89
Mag sec
12.50
delta mag (ΔM)
0.61
Spectral class
Pri motion ra
+003
Sec motion ra
+000
Pri motion dec
+025
Sec motion dec
-008
Notes
rPM=1.316
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.4
Precise sep
13.8
Constellation
Draco
Tycho2
3926-01398-1
last precise pa
226.4
last precise sep
13.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18481+5721 STI2389 2006 4 227 13.7 11.89 12.50 D 184805.29+572043.7
18481+5721 STI2389 2010 6 227 13.7 11.89 12.50 184805.29+572043.7

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