18491+1313 STF 2399 AB (HD 174238)
18h 49m 07.37s +13° 12' 54.1" P.A. 118.00 sep 15.8 mag 8.83,9.48 Sp A0
| Coord 2000 |
18491+1313 |
|
Discov num |
STF2399 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 49 07.37 +13 12 54.1 |
|
| Date first |
1829 |
|
Date last |
2015 |
|
Obs |
31 |
|
| Pa first |
120 |
|
Pa last |
117.7 |
|
P.A. Now (θ) |
117.7° |
|
| Sep first |
15.8 |
|
Sep last |
15.815 |
|
Sep. Now (ρ) |
15.815" |
|
| Mag pri |
8.83 |
|
Mag sec |
9.48 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-006 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.316
This double is physical.
18491+1313 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 174238 |
104131 |
18 49 07 +13 12 54 |
STF 2399 AB |
2015 |
31 |
118 |
15.8 |
8.83 |
9.48 |
0.65 |
|
<=== |
| Show |
|
104131 |
18 49 07 +13 12 54 |
STF 2399 AC |
2015 |
23 |
48 |
31.2 |
8.83 |
11.10 |
2.27 |
|
|
| Show |
|
104133 |
18 49 08 +13 12 47 |
STF 2399 BC |
2015 |
23 |
18 |
29.7 |
9.48 |
11.10 |
1.62 |
|
|
| Show |
|
104133 |
18 49 08 +13 12 47 |
STF 2399 BD |
2015 |
15 |
69 |
42.4 |
9.48 |
12.18 |
2.70 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174238 |
|
Constellation |
Hercules |
|
SAO |
104131 |
|
Tycho2 |
1038-00739-1 |
|
| Gaia DR2 |
4505473027704961280 |
|
HD |
174238 |
|
GC |
25788 |
|
