18502+1339 BPM 857 AB
18h 50m 13.51s +13° 39' 19.1" P.A. 257.00 sep 44.9 mag 15.02,15.40
Coord 2000 |
18502+1339 |
|
Discov num |
BPM 857 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 50 13.51 +13 39 19.1 |
|
Date first |
1991 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
257 |
|
Pa last |
256.8 |
|
P.A. Now (θ) |
256.8° |
|
Sep first |
44.5 |
|
Sep last |
44.899 |
|
Sep. Now (ρ) |
44.899" |
|
Mag pri |
15.02 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
-024 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-016 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.741
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 |
4507008186456752256 |
|