18521+1635 BPM 871
18h 52m 07.65s +16° 34' 37.2" P.A. 188.00 sep 76.6 mag 13.09,14.71
| Coord 2000 |
18521+1635 |
|
Discov num |
BPM 871 |
|
Comp |
|
|
Coord arcsec 2000 |
18 52 07.65 +16 34 37.2 |
|
| Date first |
1994 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
188 |
|
Pa last |
187.7 |
|
P.A. Now (θ) |
187.7° |
|
| Sep first |
76.4 |
|
Sep last |
76.566 |
|
Sep. Now (ρ) |
76.566" |
|
| Mag pri |
13.09 |
|
Mag sec |
14.71 |
|
delta mag (ΔM) |
1.62 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-019 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.774
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4510987078513617920 |
|
