18310+0123 STF 2324 AB (HD 170739)
18h 30m 58.45s +01° 23' 30.8" P.A. 148.00 sep 2.4 mag 9.04,9.37 Sp B8 dist. 2631.58 pc (8584.21 l.y.)
| Coord 2000 |
18310+0123 |
|
Discov num |
STF2324 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 30 58.45 +01 23 30.8 |
|
| Date first |
1829 |
|
Date last |
2018 |
|
Obs |
61 |
|
| Pa first |
146 |
|
Pa last |
148.4 |
|
P.A. Now (θ) |
148.4° |
|
| Sep first |
2.4 |
|
Sep last |
2.395 |
|
Sep. Now (ρ) |
2.395" |
|
| Mag pri |
9.04 |
|
Mag sec |
9.37 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18310+0123 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170739 |
123590 |
18 30 58 +01 23 31 |
STF 2324 AB |
2018 |
61 |
148 |
2.4 |
9.04 |
9.37 |
0.33 |
|
<=== |
| Show |
|
123590 |
18 30 58 +01 23 31 |
FOX 232 AC |
2009 |
5 |
238 |
37.3 |
9.04 |
12.60 |
3.56 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170739 |
|
Constellation |
Serpens |
|
SAO |
123590 |
|
HIP |
90748 |
|
| Tycho2 |
0446-00152-1 |
|
Gaia DR2 |
4273747172559180416 |
|
HD |
170739 |
|
GC |
25277 |
|
| BD |
BD+01 3698 |
|
Distance |
2631.58 |
|
Distance ly |
8584.21 |
|
