17131+5408 STF 2146 CD
17h 12m 58.23s +54° 07' 28.1" P.A. 225.00 sep 2.8 mag 8.87,10.50 Sp G5
| Coord 2000 |
17131+5408 |
|
Discov num |
STF2146 |
|
Comp |
CD |
|
Coord arcsec 2000 |
17 12 58.23 +54 07 28.1 |
|
| Date first |
1831 |
|
Date last |
2018 |
|
Obs |
33 |
|
| Pa first |
226 |
|
Pa last |
225.4 |
|
P.A. Now (θ) |
225.4° |
|
| Sep first |
2.7 |
|
Sep last |
2.82 |
|
Sep. Now (ρ) |
2.82" |
|
| Mag pri |
8.87 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
1.63 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-024 |
|
Sec motion ra |
-030 |
|
| Pri motion dec |
+102 |
|
Sec motion dec |
+099 |
|
| Notes |
T
W
(Parallax indicates physical, ) |
|
rPM=0.064 (< 0.3, Physical double)
This double is physical.
17131+5408 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 12 58 +54 07 21 |
STF 2146 AB |
2015 |
1 |
224 |
2.6 |
8.71 |
10.56 |
1.85 |
|
|
| Show |
|
30297 |
17 13 06 +54 08 21 |
STF 2146 AC |
2016 |
26 |
234 |
89.3 |
8.36 |
8.87 |
0.51 |
|
|
| Show |
|
30297 |
17 12 58 +54 07 28 |
STF 2146 CD |
2018 |
33 |
225 |
2.8 |
8.87 |
10.50 |
1.63 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
30297 |
|
Tycho2 |
3887-00718-1 |
|
HD |
156161 |
|
| GC |
23257 |
|
DM |
BD+54 1868 |
|
