18458+3431 STF 2390 (HD 173815)
18h 45m 49.83s +34° 31' 06.6" P.A. 155.00 sep 4.3 mag 7.37,8.56 Sp A7V dist. 357.14 pc (1164.99 l.y.)
| Coord 2000 |
18458+3431 |
|
Discov num |
STF2390 |
|
Comp |
|
|
Coord arcsec 2000 |
18 45 49.83 +34 31 06.6 |
|
| Date first |
1825 |
|
Date last |
2016 |
|
Obs |
57 |
|
| Pa first |
158 |
|
Pa last |
154.5 |
|
P.A. Now (θ) |
154.5° |
|
| Sep first |
4.5 |
|
Sep last |
4.253 |
|
Sep. Now (ρ) |
4.253" |
|
| Mag pri |
7.37 |
|
Mag sec |
8.56 |
|
delta mag (ΔM) |
1.19 |
|
Spectral class |
A7V (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173815 |
|
Constellation |
Lyra |
|
SAO |
67350 |
|
HIP |
92060 |
|
| Tycho2 |
2646-02539-1 |
|
Gaia DR2 |
2091791120611418752 |
|
HD |
173815 |
|
GC |
25720 |
|
| ADS |
11669 |
|
BD |
BD+34 3310 |
|
Distance |
357.14 |
|
Distance ly |
1164.99 |
|