15058+6403 MCT 7 AB (IU Dra)
15h 05m 50.07s +64° 02' 49.0" P.A. 261.00 sep 5.5 mag 6.90,10.90 Sp G5V: dist. 44.74 pc (145.94 l.y.)
| Coord 2000 |
15058+6403 |
|
Discov num |
MCT 7 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 05 50.07 +64 02 49.0 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
260 |
|
Pa last |
261 |
|
P.A. Now (θ) |
261° |
|
| Sep first |
5.4 |
|
Sep last |
5.469 |
|
Sep. Now (ρ) |
5.469" |
|
| Mag pri |
6.90 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
G5V: (yellow) |
|
| Pri motion ra |
-121 |
|
Sec motion ra |
|
|
| Pri motion dec |
+112 |
|
Sec motion dec |
|
|
| Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
15058+6403 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
IU Dra |
16592 |
15 05 50 +64 02 49 |
MCT 7 AB |
2016 |
9 |
261 |
5.5 |
6.90 |
10.90 |
4.00 |
|
<=== |
| Show |
|
16592 |
15 05 50 +64 02 49 |
TOK 588 AC |
2015 |
7 |
33 |
999.9 |
8.40 |
15.26 |
6.86 |
|
|
| Show |
|
|
15 05 49 +64 02 49 |
LWR 12 Ba,Bb |
2000 |
0 |
-1 |
0.1 |
6.90 |
|
|
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
IU Dra |
|
Constellation |
Draco |
|
SAO |
16592 |
|
HIP |
73869 |
|
| Tycho2 |
4183-00491-1 |
|
Gaia DR2 |
1620024491110370688 |
|
HD |
134319 |
|
GC |
20334 |
|
| GL |
Gl 577 |
|
BD |
BD+64 1046 |
|
Distance |
44.74 |
|
Distance ly |
145.94 |
|
