18221+4821 HU 582 (HD 169431)
18h 22m 08.96s +48° 21' 27.1" P.A. 191.00 sep 2.3 mag 8.46,11.18 Sp G5 dist. 238.1 pc (776.68 l.y.)
| Coord 2000 |
18221+4821 |
|
Discov num |
HU 582 |
|
Comp |
|
|
Coord arcsec 2000 |
18 22 08.96 +48 21 27.1 |
|
| Date first |
1902 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
195 |
|
Pa last |
191 |
|
P.A. Now (θ) |
191° |
|
| Sep first |
2.2 |
|
Sep last |
2.267 |
|
Sep. Now (ρ) |
2.267" |
|
| Mag pri |
8.46 |
|
Mag sec |
11.18 |
|
delta mag (ΔM) |
2.72 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
+022 |
|
Sec motion dec |
+016 |
|
| Notes |
|
|
rPM=0.257 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 169431 |
|
Constellation |
Draco |
|
SAO |
47429 |
|
HIP |
90025 |
|
| Tycho2 |
3529-01396-1 |
|
Gaia DR2 |
2122008547701094912 |
|
HD |
169431 |
|
ADS |
11301 |
|
| BD |
BD+48 2683 |
|
Distance |
238.1 |
|
Distance ly |
776.68 |
|
