17302+0516 LDS 4745 (Bet Dra)
17h 30m 13.33s +05° 16' 08.7" P.A. 107.00 sep 28.2 mag 17.60,18.40 dist. 116.55 pc (380.19 l.y.)
| Coord 2000 |
17302+0516 |
|
Discov num |
LDS4745 |
|
Comp |
|
|
Coord arcsec 2000 |
17 30 13.33 +05 16 08.7 |
|
| Date first |
1960 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
111 |
|
Pa last |
106.9 |
|
P.A. Now (θ) |
106.9° |
|
| Sep first |
30.0 |
|
Sep last |
28.232 |
|
Sep. Now (ρ) |
28.232" |
|
| Mag pri |
17.60 |
|
Mag sec |
18.40 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
-093 |
|
Sec motion ra |
|
|
| Pri motion dec |
-049 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Bet Dra |
|
Constellation |
Ophiuchus |
|
SAO |
208885 |
|
HIP |
85670 |
|
| Tycho2 |
3521-01800-1 |
|
Gaia DR2 |
4389819591448105216 |
|
HD |
159181 |
|
HR |
6536 |
|
| GC |
23741 |
|
ADS |
10611 |
|
BD |
BD+52 2065 |
|
Bayer |
Beta Draconis |
|
| Bayer name |
Bet Dra |
|
Flamsteed |
23 Draconis |
|
Flamsteed name |
23 Dra |
|
FK5 |
653 |
|
| Distance |
116.55 |
|
Distance ly |
380.19 |
|
Bayer greek |
β Dra |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Dra vs Oph)
