18086+1700 HDS 2555
18h 08m 35.81s +17° 00' 09.5" P.A. 113.00 sep 0.5 mag 9.32,11.72 Sp A2 dist. 260.42 pc (849.49 l.y.)
Coord 2000 |
18086+1700 |
|
Discov num |
HDS2555 |
|
Comp |
|
|
Coord arcsec 2000 |
18 08 35.81 +17 00 09.5 |
|
Date first |
1991 |
|
Date last |
2013 |
|
Obs |
3 |
|
Pa first |
117 |
|
Pa last |
113.2 |
|
P.A. Now (θ) |
113.2° |
|
Sep first |
0.4 |
|
Sep last |
0.461 |
|
Sep. Now (ρ) |
0.461" |
|
Mag pri |
9.32 |
|
Mag sec |
11.72 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
|
|
Pri motion dec |
+004 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
HIP |
88868 |
|
Tycho2 |
1571-01960-1 |
|
Gaia DR2 |
4502157617870706688 |
|
BD |
BD+16 3380 |
|
Distance |
260.42 |
|
Distance ly |
849.49 |
|