18104+3221 HO 81 (HD 166682)
18h 10m 26.23s +32° 21' 10.1" P.A. 215.00 sep 3.3 mag 8.23,11.12 Sp A2 dist. 154.8 pc (504.96 l.y.)
Coord 2000 |
18104+3221 |
|
Discov num |
HO 81 |
|
Comp |
|
|
Coord arcsec 2000 |
18 10 26.23 +32 21 10.1 |
|
Date first |
1883 |
|
Date last |
2019 |
|
Obs |
13 |
|
Pa first |
211 |
|
Pa last |
215.4 |
|
P.A. Now (θ) |
215.4° |
|
Sep first |
2.5 |
|
Sep last |
3.269 |
|
Sep. Now (ρ) |
3.269" |
|
Mag pri |
8.23 |
|
Mag sec |
11.12 |
|
delta mag (ΔM) |
2.89 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+018 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=0.124 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166682 |
|
Constellation |
Hercules |
|
SAO |
66709 |
|
HIP |
89041 |
|
Tycho2 |
2626-02090-1 |
|
Gaia DR2 |
4591403537887975296 |
|
HD |
166682 |
|
ADS |
11131 |
|
BD |
BD+32 3061 |
|
Distance |
154.8 |
|
Distance ly |
504.96 |
|