18317+7120 A 1170
18h 31m 44.53s +71° 20' 21.7" P.A. 188.00 sep 0.9 mag 9.83,12.25 Sp F8 dist. 293.26 pc (956.61 l.y.)
Coord 2000 |
18317+7120 |
|
Discov num |
A 1170 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 44.53 +71 20 21.7 |
|
Date first |
1905 |
|
Date last |
2011 |
|
Obs |
8 |
|
Pa first |
177 |
|
Pa last |
188.3 |
|
P.A. Now (θ) |
188.3° |
|
Sep first |
0.8 |
|
Sep last |
0.877 |
|
Sep. Now (ρ) |
0.877" |
|
Mag pri |
9.83 |
|
Mag sec |
12.25 |
|
delta mag (ΔM) |
2.42 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
+002 |
|
Sec motion dec |
+003 |
|
Notes |
|
|
rPM=0.541
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
HIP |
90829 |
|
Tycho2 |
4438-01820-1 |
|
Gaia DR2 |
2265724582992443776 |
|
ADS |
11462 |
|
BD |
BD+71 898 |
|
Distance |
293.26 |
|
Distance ly |
956.61 |
|