17598+5039 COU 2390 (HD 234530)
17h 59m 50.45s +50° 39' 10.0" P.A. 179.00 sep 0.1 mag 10.54,9.66 Sp K0 dist. 222.22 pc (724.88 l.y.)
Coord 2000 |
17598+5039 |
|
Discov num |
COU2390 |
|
Comp |
|
|
Coord arcsec 2000 |
17 59 50.45 +50 39 10.0 |
|
Date first |
1987 |
|
Date last |
2014 |
|
Obs |
10 |
|
Pa first |
102 |
|
Pa last |
178.6 |
|
P.A. Now (θ) |
178.6° |
|
Sep first |
0.2 |
|
Sep last |
0.149 |
|
Sep. Now (ρ) |
0.149" |
|
Mag pri |
10.54 |
|
Mag sec |
9.66 |
|
delta mag (ΔM) |
0.88 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
-023 |
|
Sec motion ra |
|
|
Pri motion dec |
+097 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 234530 |
|
Constellation |
Draco |
|
SAO |
30677 |
|
HIP |
88119 |
|
Tycho2 |
3523-00055-1 |
|
Gaia DR2 |
1364502661740159232 |
|
HD |
234530 |
|
BD |
BD+50 2501 |
|
Distance |
222.22 |
|
Distance ly |
724.88 |
|