19221-0444 STF 2501 AB (HD 181806)
19h 22m 03.68s -04° 44' 20.0" P.A. 21.00 sep 20.0 mag 7.76,9.67 Sp F5 dist. 97.66 pc (318.57 l.y.)
| Coord 2000 |
19221-0444 |
|
Discov num |
STF2501 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 22 03.68 -04 44 20.0 |
|
| Date first |
1825 |
|
Date last |
2015 |
|
Obs |
38 |
|
| Pa first |
21 |
|
Pa last |
21.3 |
|
P.A. Now (θ) |
21.3° |
|
| Sep first |
19.5 |
|
Sep last |
19.95 |
|
Sep. Now (ρ) |
19.95" |
|
| Mag pri |
7.76 |
|
Mag sec |
9.67 |
|
delta mag (ΔM) |
1.91 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-055 |
|
Sec motion dec |
-054 |
|
| Notes |
N
(See Notes) |
|
rPM=0.018 (< 0.3, Physical double)
This double is physical.
19221-0444 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 181806 |
143315 |
19 22 04 -04 44 20 |
STF 2501 AB |
2015 |
38 |
21 |
20.0 |
7.76 |
9.67 |
1.91 |
|
<=== |
| Show |
|
143315 |
19 22 04 -04 44 20 |
STF 2501 AC |
2014 |
4 |
79 |
7.9 |
7.76 |
14.00 |
6.24 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 181806 |
|
Constellation |
Aquila |
|
SAO |
143315 |
|
HIP |
95202 |
|
| Tycho2 |
5138-02405-1 |
|
Gaia DR2 |
4211769076500685568 |
|
HD |
181806 |
|
GC |
26711 |
|
| BD |
BD-05 4945 |
|
Distance |
97.66 |
|
Distance ly |
318.57 |
|
