17087+4738 HDS 2420 (HD 155357)
17h 08m 43.79s +47° 38' 21.0" P.A. 276.00 sep 0.2 mag 8.68,11.36 Sp A3 dist. 390.63 pc (1274.24 l.y.)
| Coord 2000 |
17087+4738 |
|
Discov num |
HDS2420 |
|
Comp |
|
|
Coord arcsec 2000 |
17 08 43.79 +47 38 21.0 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
2 |
|
| Pa first |
262 |
|
Pa last |
275.9 |
|
P.A. Now (θ) |
275.9° |
|
| Sep first |
0.3 |
|
Sep last |
0.165 |
|
Sep. Now (ρ) |
0.165" |
|
| Mag pri |
8.68 |
|
Mag sec |
11.36 |
|
delta mag (ΔM) |
2.68 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 155357 |
|
Constellation |
Hercules |
|
SAO |
46515 |
|
HIP |
83887 |
|
| Tycho2 |
3504-01966-1 |
|
Gaia DR2 |
1360015039391638016 |
|
HD |
155357 |
|
BD |
BD+47 2435 |
|
| Distance |
390.63 |
|
Distance ly |
1274.24 |
|
