17566+5813 ES 20 (T Dra)
17h 56m 23.34s +58° 13' 06.5" P.A. 210.00 sep 17.4 mag 10.85,11.08 Sp C
| Coord 2000 |
17566+5813 |
|
Discov num |
ES 20 |
|
Comp |
|
|
Coord arcsec 2000 |
17 56 23.34 +58 13 06.5 |
|
| Date first |
1900 |
|
Date last |
2021 |
|
Obs |
36 |
|
| Pa first |
228 |
|
Pa last |
209.9 |
|
P.A. Now (θ) |
209.9° |
|
| Sep first |
14.3 |
|
Sep last |
17.4 |
|
Sep. Now (ρ) |
17.4" |
|
| Mag pri |
10.85 |
|
Mag sec |
11.08 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
C (red carbon star) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-058 |
|
Sec motion dec |
-021 |
|
| Notes |
N
(See Notes) |
|
rPM=0.739
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
T Dra |
|
Constellation |
Draco |
|
HIP |
87816 |
|
Tycho2 |
3914-00546-1 |
|
| Gaia DR2 |
1421976952022347264 |
|
ADS |
10937 |
|
DM |
BD+58 1772 |
|
