17491+5047 CHR 65 Aa,Ab (30 Dra)
17h 49m 04.33s +50° 46' 50.0" P.A. 112.00 sep 0.1 mag 5.02, Sp A2V dist. 66.53 pc (217.02 l.y.)
| Coord 2000 |
17491+5047 |
|
Discov num |
CHR 65 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
17 49 04.33 +50 46 50.0 |
|
| Date first |
1985 |
|
Date last |
1985 |
|
Obs |
1 |
|
| Pa first |
112 |
|
Pa last |
112.2 |
|
P.A. Now (θ) |
112.2° |
|
| Sep first |
0.1 |
|
Sep last |
0.122 |
|
Sep. Now (ρ) |
0.122" |
|
| Mag pri |
5.02 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
-048 |
|
Sec motion ra |
|
|
| Pri motion dec |
+211 |
|
Sec motion dec |
|
|
| Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
17491+5047 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
30 Dra |
30591 |
17 49 04 +50 46 50 |
CHR 65 Aa,Ab |
1985 |
1 |
112 |
0.1 |
5.02 |
|
|
|
<=== |
| Show |
|
30591 |
17 49 04 +50 46 50 |
LEP 86 AB |
2000 |
1 |
141 |
209.1 |
5.02 |
16.96 |
11.94 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
30 Dra |
|
Constellation |
Draco |
|
SAO |
30591 |
|
HIP |
87212 |
|
| Tycho2 |
3523-01685-1 |
|
HD |
162579 |
|
HR |
6656 |
|
GC |
24221 |
|
| BD |
BD+50 2468 |
|
Flamsteed |
30 Draconis |
|
Flamsteed name |
30 Dra |
|
FK5 |
3416 |
|
| Distance |
66.53 |
|
Distance ly |
217.02 |
|
