18328+3033 BU 1253
18h 32m 49.95s +30° 33' 15.1" P.A. 157.00 sep 7.0 mag 5.47,12.70 Sp B8IV dist. 109.65 pc (357.68 l.y.)
Coord 2000 |
18328+3033 |
|
Discov num |
BU 1253 |
|
Comp |
|
|
Coord arcsec 2000 |
18 32 49.95 +30 33 15.1 |
|
Date first |
1891 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
156 |
|
Pa last |
157.2 |
|
P.A. Now (θ) |
157.2° |
|
Sep first |
7.4 |
|
Sep last |
6.97 |
|
Sep. Now (ρ) |
6.97" |
|
Mag pri |
5.47 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
7.23 |
|
Spectral class |
B8IV (blue-white) |
|
Pri motion ra |
+015 |
|
Sec motion ra |
|
|
Pri motion dec |
+024 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
SAO |
67090 |
|
HIP |
90923 |
|
Tycho2 |
2624-02539-1 |
|
Gaia DR2 |
4588679463472276224 |
|
HD |
171301 |
|
HR |
6968 |
|
GC |
25340 |
|
ADS |
11446 |
|
BD |
BD+30 3223 |
|
Distance |
109.65 |
|
Distance ly |
357.68 |
|