17304+5218 FYM 654 CD
17h 30m 31.28s +52° 16' 17.7" P.A. 298.00 sep 10.7 mag 13.45,15.70
| Coord 2000 |
17304+5218 |
|
Discov num |
FYM 654 |
|
Comp |
CD |
|
Coord arcsec 2000 |
17 30 31.28 +52 16 17.7 |
|
| Date first |
1998 |
|
Date last |
2017 |
|
Obs |
8 |
|
| Pa first |
300 |
|
Pa last |
298 |
|
P.A. Now (θ) |
298° |
|
| Sep first |
10.4 |
|
Sep last |
10.7 |
|
Sep. Now (ρ) |
10.7" |
|
| Mag pri |
13.45 |
|
Mag sec |
15.70 |
|
delta mag (ΔM) |
2.25 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17304+5218 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Bet Dra |
30429 |
17 30 26 +52 18 05 |
BU 1090 AB |
2016 |
7 |
17 |
4.6 |
2.79 |
14.00 |
11.21 |
|
|
| Show |
|
30429 |
17 30 26 +52 18 05 |
BU 1090 AC |
2020 |
8 |
156 |
118.7 |
2.79 |
13.45 |
10.66 |
|
|
| Show |
|
|
17 30 31 +52 16 18 |
FYM 654 CD |
2017 |
8 |
298 |
10.7 |
13.45 |
15.70 |
2.25 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Gaia DR2 |
1415183275832940416 |
|
