18026+0325 HDS 2539 (HD 164734)
18h 02m 33.82s +03° 25' 13.5" P.A. 129.00 sep 0.3 mag 8.40,10.56 Sp G5 dist. 218.34 pc (712.23 l.y.)
| Coord 2000 |
18026+0325 |
|
Discov num |
HDS2539 |
|
Comp |
|
|
Coord arcsec 2000 |
18 02 33.82 +03 25 13.5 |
|
| Date first |
1991 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
123 |
|
Pa last |
128.7 |
|
P.A. Now (θ) |
128.7° |
|
| Sep first |
0.3 |
|
Sep last |
0.322 |
|
Sep. Now (ρ) |
0.322" |
|
| Mag pri |
8.40 |
|
Mag sec |
10.56 |
|
delta mag (ΔM) |
2.16 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 164734 |
|
Constellation |
Ophiuchus |
|
SAO |
123054 |
|
HIP |
88355 |
|
| Tycho2 |
0434-00632-1 |
|
Gaia DR2 |
4469432032962130560 |
|
HD |
164734 |
|
BD |
BD+03 3572 |
|
| Distance |
218.34 |
|
Distance ly |
712.23 |
|