15339+6354 STT 299 (TW Dra)

 
 
15H 33M 51.06S +63 54' 25.7" P.A. 25 SEP 3.4 MAG 7.50,9.89 SP A5 DIST. 138.7 PC (452.44 L.Y.)
 
 
Coord 2000
15339+6354
Discov num
STT 299
Comp
Coord arcsec 2000
15 33 51.06 +63 54 25.7
Date first
1843
Date last
2011
Obs
38
Pa first
21
Pa last
25
P.A. Now (θ)
25°
Sep first
3.3
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
7.50
Mag sec
9.89
delta mag (ΔM)
2.39
Spectral class
A5 (white)
Pri motion ra
+010
Sec motion ra
+011
Pri motion dec
+017
Sec motion dec
+022
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
TW Dra
Constellation
Draco
SAO
16767
HIP
76196
Tycho2
4184-00061-1
HD
139319
BD
BD+64 1077
Distance
138.7
Distance ly
452.44
last precise pa
24.5
last precise sep
3.41