18417+5108 HU 754 (HD 173287)
18h 41m 44.99s +51° 07' 33.6" P.A. 93.00 sep 1.3 mag 8.36,11.53 Sp A2 dist. 318.47 pc (1038.85 l.y.)
Coord 2000 |
18417+5108 |
|
Discov num |
HU 754 |
|
Comp |
|
|
Coord arcsec 2000 |
18 41 44.99 +51 07 33.6 |
|
Date first |
1904 |
|
Date last |
1991 |
|
Obs |
4 |
|
Pa first |
91 |
|
Pa last |
92.5 |
|
P.A. Now (θ) |
92.5° |
|
Sep first |
1.4 |
|
Sep last |
1.31 |
|
Sep. Now (ρ) |
1.31" |
|
Mag pri |
8.36 |
|
Mag sec |
11.53 |
|
delta mag (ΔM) |
3.17 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=0.62
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 173287 |
|
Constellation |
Draco |
|
SAO |
31111 |
|
HIP |
91680 |
|
Tycho2 |
3539-00690-1 |
|
Gaia DR2 |
2144275273070236544 |
|
HD |
173287 |
|
BD |
BD+50 2651 |
|
Distance |
318.47 |
|
Distance ly |
1038.85 |
|