18345+5147 HDS 2634 (HD 171911)
18h 34m 30.90s +51° 46' 56.4" P.A. 351.00 sep 0.1 mag 7.17,7.68 Sp M0 dist. 271.74 pc (886.42 l.y.)
| Coord 2000 |
18345+5147 |
|
Discov num |
HDS2634 |
|
Comp |
|
|
Coord arcsec 2000 |
18 34 30.90 +51 46 56.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
351 |
|
Pa last |
351 |
|
P.A. Now (θ) |
351° |
|
| Sep first |
0.1 |
|
Sep last |
0.118 |
|
Sep. Now (ρ) |
0.118" |
|
| Mag pri |
7.17 |
|
Mag sec |
7.68 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
M0 (red) |
|
| Pri motion ra |
-040 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 171911 |
|
Constellation |
Draco |
|
SAO |
31055 |
|
HIP |
91061 |
|
| Tycho2 |
3539-01700-1 |
|
Gaia DR2 |
2145298574801618176 |
|
HD |
171911 |
|
GC |
25404 |
|
| BD |
BD+51 2404 |
|
Distance |
271.74 |
|
Distance ly |
886.42 |
|