18253+2605 STF 2317 A,BC (HD 169797)
18h 25m 20.63s +26° 05' 02.8" P.A. 224.00 sep 23.0 mag 7.69,11.94 Sp G7III-IV dist. 269.54 pc (879.24 l.y.)
| Coord 2000 |
18253+2605 |
|
Discov num |
STF2317 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
18 25 20.63 +26 05 02.8 |
|
| Date first |
1897 |
|
Date last |
2006 |
|
Obs |
9 |
|
| Pa first |
226 |
|
Pa last |
223.7 |
|
P.A. Now (θ) |
223.7° |
|
| Sep first |
25.5 |
|
Sep last |
23.02 |
|
Sep. Now (ρ) |
23.02" |
|
| Mag pri |
7.69 |
|
Mag sec |
11.94 |
|
delta mag (ΔM) |
4.25 |
|
Spectral class |
G7III-IV (yellow) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-016 |
|
Sec motion dec |
-002 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1.26
This double is not physical.
18253+2605 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
86025 |
18 25 21 +26 05 03 |
HDS 2605 Aa,Ab |
2016 |
5 |
84 |
1.2 |
7.82 |
11.14 |
3.32 |
|
|
| Show |
HD 169797 |
86025 |
18 25 21 +26 05 03 |
STF 2317 A,BC |
2006 |
9 |
224 |
23.0 |
7.69 |
11.94 |
4.25 |
|
<=== |
| Show |
|
86025 |
18 25 21 +26 05 03 |
STF 2317 AD |
2015 |
13 |
189 |
44.5 |
7.69 |
10.28 |
2.59 |
|
|
| Show |
|
86025 |
18 25 21 +26 05 03 |
ABH 99 AE |
2015 |
4 |
206 |
38.2 |
7.69 |
14.20 |
6.51 |
|
|
| Show |
|
86025 |
18 25 21 +26 05 03 |
ABH 99 AF |
2015 |
4 |
208 |
68.7 |
7.69 |
13.58 |
5.89 |
|
|
| Show |
|
|
18 25 19 +26 04 46 |
STF 2317 BC |
2009 |
10 |
323 |
1.4 |
12.50 |
12.70 |
0.20 |
|
|
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 169797 |
|
Constellation |
Hercules |
|
SAO |
86025 |
|
HIP |
90288 |
|
| Tycho2 |
2110-00945-1 |
|
Gaia DR2 |
4584912811514056192 |
|
HD |
169797 |
|
ADS |
11337 |
|
| BD |
BD+26 3247 |
|
Distance |
269.54 |
|
Distance ly |
879.24 |
|
