18307+0431 STTA 170 (HD 170699)
18h 30m 41.17s +04° 30' 39.0" P.A. 5.00 sep 100.0 mag 6.97,8.75 Sp A2 dist. 120.77 pc (393.95 l.y.)
| Coord 2000 |
18307+0431 |
|
Discov num |
STTA170 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 41.17 +04 30 39.0 |
|
| Date first |
1875 |
|
Date last |
2015 |
|
Obs |
23 |
|
| Pa first |
6 |
|
Pa last |
4.7 |
|
P.A. Now (θ) |
4.7° |
|
| Sep first |
101.7 |
|
Sep last |
100.042 |
|
Sep. Now (ρ) |
100.042" |
|
| Mag pri |
6.97 |
|
Mag sec |
8.75 |
|
delta mag (ΔM) |
1.78 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-017 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-015 |
|
| Notes |
N
(See Notes) |
|
rPM=0.477
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170699 |
|
Constellation |
Ophiuchus |
|
SAO |
123585 |
|
HIP |
90728 |
|
| Tycho2 |
0454-00272-1 |
|
Gaia DR2 |
4284211465250502528 |
|
HD |
170699 |
|
GC |
25271 |
|
| BD |
BD+04 3774 |
|
Distance |
120.77 |
|
Distance ly |
393.95 |
|
