17316+1654 BPM 684
17h 31m 34.44s +16° 54' 04.0" P.A. 242.00 sep 90.7 mag 15.15,15.81
| Coord 2000 |
17316+1654 |
|
Discov num |
BPM 684 |
|
Comp |
|
|
Coord arcsec 2000 |
17 31 34.44 +16 54 04.0 |
|
| Date first |
1992 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
242 |
|
Pa last |
242.2 |
|
P.A. Now (θ) |
242.2° |
|
| Sep first |
90.8 |
|
Sep last |
90.707 |
|
Sep. Now (ρ) |
90.707" |
|
| Mag pri |
15.15 |
|
Mag sec |
15.81 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-016 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.64
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4550089216674134528 |
|
