17541+2949 AC 9 (HD 163284)
17h 54m 08.02s +29° 48' 44.6" P.A. 242.00 sep 1.0 mag 9.01,9.16 Sp F2 dist. 166.11 pc (541.85 l.y.)
Coord 2000 |
17541+2949 |
|
Discov num |
AC 9 |
|
Comp |
|
|
Coord arcsec 2000 |
17 54 08.02 +29 48 44.6 |
|
Date first |
1854 |
|
Date last |
2015 |
|
Obs |
77 |
|
Pa first |
229 |
|
Pa last |
242 |
|
P.A. Now (θ) |
242° |
|
Sep first |
1.1 |
|
Sep last |
1.01 |
|
Sep. Now (ρ) |
1.01" |
|
Mag pri |
9.01 |
|
Mag sec |
9.16 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 163284 |
|
Constellation |
Hercules |
|
HIP |
87644 |
|
Tycho2 |
2102-01624-1 |
|
Gaia DR2 |
4596623538057379840 |
|
HD |
163284 |
|
BD |
BD+29 3139 |
|
Distance |
166.11 |
|
Distance ly |
541.85 |
|