18490+2110 STF 2401 AB (HD 174261)
18h 48m 57.83s +21° 10' 01.3" P.A. 38.00 sep 4.1 mag 7.27,9.27 Sp B3V dist. 2941.18 pc (9594.13 l.y.)
| Coord 2000 |
18490+2110 |
|
Discov num |
STF2401 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 48 57.83 +21 10 01.3 |
|
| Date first |
1828 |
|
Date last |
2017 |
|
Obs |
61 |
|
| Pa first |
38 |
|
Pa last |
38 |
|
P.A. Now (θ) |
38° |
|
| Sep first |
4.1 |
|
Sep last |
4.11 |
|
Sep. Now (ρ) |
4.11" |
|
| Mag pri |
7.27 |
|
Mag sec |
9.27 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
B3V (blue-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.714
Nature of this double is uncertain.
18490+2110 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 174261 |
86458 |
18 48 58 +21 10 01 |
STF 2401 AB |
2017 |
61 |
38 |
4.1 |
7.27 |
9.27 |
2.00 |
|
<=== |
| Show |
|
86458 |
18 48 58 +21 10 01 |
STF 2401 AC |
2005 |
10 |
149 |
92.9 |
7.27 |
11.09 |
3.82 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174261 |
|
Constellation |
Hercules |
|
SAO |
86458 |
|
HIP |
92321 |
|
| Tycho2 |
1596-02516-1 |
|
Gaia DR2 |
4531259083629611776 |
|
HD |
174261 |
|
GC |
25789 |
|
| BD |
BD+21 3560 |
|
Distance |
2941.18 |
|
Distance ly |
9594.13 |
|
