17520+1542 HDS 2520
17h 52m 00.90s +15° 42' 15.2" P.A. 184.00 sep 4.6 mag 10.24,13.83 dist. 80.52 pc (262.66 l.y.)
Coord 2000 |
17520+1542 |
|
Discov num |
HDS2520 |
|
Comp |
|
|
Coord arcsec 2000 |
17 52 00.90 +15 42 15.2 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
185 |
|
Pa last |
184.4 |
|
P.A. Now (θ) |
184.4° |
|
Sep first |
4.5 |
|
Sep last |
4.649 |
|
Sep. Now (ρ) |
4.649" |
|
Mag pri |
10.24 |
|
Mag sec |
13.83 |
|
delta mag (ΔM) |
3.59 |
|
Spectral class |
|
|
Pri motion ra |
-126 |
|
Sec motion ra |
-129 |
|
Pri motion dec |
-157 |
|
Sec motion dec |
-154 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.021 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
HIP |
87437 |
|
Tycho2 |
1553-01027-1 |
|
Gaia DR2 |
4500983618629511552 |
|
Distance |
80.52 |
|
Distance ly |
262.66 |
|