18090+1610 BPM 731 BC
18h 09m 06.60s +16° 10' 03.5" P.A. 84.00 sep 98.8 mag 15.70,15.52
| Coord 2000 |
18090+1610 |
|
Discov num |
BPM 731 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 09 06.60 +16 10 03.5 |
|
| Date first |
1992 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
84 |
|
Pa last |
84.3 |
|
P.A. Now (θ) |
84.3° |
|
| Sep first |
98.7 |
|
Sep last |
98.816 |
|
Sep. Now (ρ) |
98.816" |
|
| Mag pri |
15.70 |
|
Mag sec |
15.52 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-014 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-014 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.307
This double is physical.
18090+1610 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 08 59 +16 09 42 |
BPM 730 AB |
2015 |
8 |
78 |
105.2 |
15.35 |
15.70 |
0.35 |
|
|
| Show |
|
|
18 09 07 +16 10 04 |
BPM 731 BC |
2015 |
8 |
84 |
98.8 |
15.70 |
15.52 |
0.18 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4498937668012429440 |
|
