18267+3610 ES 2173 (HD 170228)
18h 26m 41.39s +36° 09' 53.1" P.A. 303.00 sep 6.2 mag 8.48,11.90 Sp K0 dist. 25000 pc (81550 l.y.)
| Coord 2000 |
18267+3610 |
|
Discov num |
ES 2173 |
|
Comp |
|
|
Coord arcsec 2000 |
18 26 41.39 +36 09 53.1 |
|
| Date first |
1925 |
|
Date last |
2019 |
|
Obs |
9 |
|
| Pa first |
300 |
|
Pa last |
302.9 |
|
P.A. Now (θ) |
302.9° |
|
| Sep first |
5.6 |
|
Sep last |
6.2 |
|
Sep. Now (ρ) |
6.2" |
|
| Mag pri |
8.48 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
3.42 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170228 |
|
Constellation |
Lyra |
|
SAO |
66980 |
|
HIP |
90399 |
|
| Tycho2 |
2635-01367-1 |
|
Gaia DR2 |
2095794030129612800 |
|
HD |
170228 |
|
BD |
BD+36 3130 |
|
| Distance |
25000 |
|
Distance ly |
81550 |
|
