18545+1837 HDS 2680 AB
18h 54m 29.75s +18° 36' 55.0" P.A. 93.00 sep 4.0 mag 8.98,13.24 Sp K5 dist. 1562.5 pc (5096.88 l.y.)
| Coord 2000 |
18545+1837 |
|
Discov num |
HDS2680 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 54 29.75 +18 36 55.0 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
2 |
|
| Pa first |
92 |
|
Pa last |
92.5 |
|
P.A. Now (θ) |
92.5° |
|
| Sep first |
4.0 |
|
Sep last |
3.99 |
|
Sep. Now (ρ) |
3.99" |
|
| Mag pri |
8.98 |
|
Mag sec |
13.24 |
|
delta mag (ΔM) |
4.26 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
+025 |
|
Sec motion dec |
+026 |
|
| Notes |
|
|
rPM=0.08 (< 0.3, Physical double)
This double is physical.
18545+1837 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
104248 |
18 54 30 +18 36 55 |
HDS 2680 AB |
1991 |
2 |
93 |
4.0 |
8.98 |
13.24 |
4.26 |
|
<=== |
| Show |
|
104248 |
18 54 30 +18 36 55 |
HDS 2680 AC |
2016 |
4 |
180 |
11.8 |
8.98 |
12.80 |
3.82 |
|
|
| Show |
|
104248 |
18 54 30 +18 36 55 |
HDS 2680 AD |
2016 |
5 |
129 |
12.0 |
8.98 |
13.10 |
4.12 |
|
|
| Show |
|
104248 |
18 54 30 +18 36 55 |
HDS 2680 AE |
2016 |
1 |
93 |
12.2 |
8.98 |
15.20 |
6.22 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
104248 |
|
HIP |
92789 |
|
BD |
BD+18 3867 |
|
| Distance |
1562.5 |
|
Distance ly |
5096.88 |
|
