18540+1516 L 40 (HD 175243)
18h 53m 57.03s +15° 15' 35.6" P.A. 6.00 sep 12.9 mag 8.56,11.70 Sp A0 dist. 436.68 pc (1424.45 l.y.)
Coord 2000 |
18540+1516 |
|
Discov num |
L 40 |
|
Comp |
|
|
Coord arcsec 2000 |
18 53 57.03 +15 15 35.6 |
|
Date first |
1896 |
|
Date last |
2017 |
|
Obs |
15 |
|
Pa first |
7 |
|
Pa last |
6.3 |
|
P.A. Now (θ) |
6.3° |
|
Sep first |
13.4 |
|
Sep last |
12.89 |
|
Sep. Now (ρ) |
12.89" |
|
Mag pri |
8.56 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
3.14 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-004 |
|
Notes |
N
(See Notes) |
|
rPM=0.422
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 175243 |
|
Constellation |
Hercules |
|
SAO |
104235 |
|
HIP |
92741 |
|
Tycho2 |
1584-00115-1 |
|
Gaia DR2 |
4507824917430499584 |
|
HD |
175243 |
|
BD |
BD+15 3612 |
|
Distance |
436.68 |
|
Distance ly |
1424.45 |
|