18502+1339 BPM 857 BC
18h 50m 10.49s +13° 39' 08.6" P.A. 43.00 sep 3.4 mag 15.70,15.70
Coord 2000 |
18502+1339 |
|
Discov num |
BPM 857 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 50 10.49 +13 39 08.6 |
|
Date first |
1999 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
42 |
|
Pa last |
43.3 |
|
P.A. Now (θ) |
43.3° |
|
Sep first |
3.6 |
|
Sep last |
3.375 |
|
Sep. Now (ρ) |
3.375" |
|
Mag pri |
15.70 |
|
Mag sec |
15.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
-024 |
|
Sec motion ra |
|
|
Pri motion dec |
-016 |
|
Sec motion dec |
|
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
18502+1339 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 50 14 +13 39 19 |
BPM 857 AB |
2015 |
4 |
257 |
44.9 |
15.02 |
15.40 |
0.38 |
|
|
Show |
|
|
18 50 10 +13 39 09 |
BPM 857 BC |
2015 |
3 |
43 |
3.4 |
15.70 |
15.70 |
0.00 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
4507002517099931136 |
|