15375+5431 YSC 57 (HD 139778)
15h 37m 32.00s +54° 30' 31.4" P.A. 43.00 sep 0.9 mag 5.20,10.40 Sp K1III dist. 109.17 pc (356.11 l.y.)
| Coord 2000 |
15375+5431 |
|
Discov num |
YSC 57 |
|
Comp |
|
|
Coord arcsec 2000 |
15 37 32.00 +54 30 31.4 |
|
| Date first |
2007 |
|
Date last |
2014 |
|
Obs |
7 |
|
| Pa first |
42 |
|
Pa last |
43.4 |
|
P.A. Now (θ) |
43.4° |
|
| Sep first |
0.9 |
|
Sep last |
0.93 |
|
Sep. Now (ρ) |
0.93" |
|
| Mag pri |
5.20 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
5.2 |
|
Spectral class |
K1III (yellow-orange) |
|
| Pri motion ra |
-035 |
|
Sec motion ra |
|
|
| Pri motion dec |
-020 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 139778 |
|
Constellation |
Draco |
|
SAO |
29597 |
|
HIP |
76509 |
|
| Tycho2 |
3869-01584-1 |
|
Gaia DR2 |
1598079166732691712 |
|
HD |
139778 |
|
HR |
5828 |
|
| GC |
21036 |
|
BD |
BD+54 1758 |
|
Distance |
109.17 |
|
Distance ly |
356.11 |
|
