15317+1405 HO 549 AB (HD 138454)
15h 31m 45.00s +14° 05' 00.5" P.A. 133.00 sep 117.5 mag 8.04,11.09 Sp G5 dist. 336.7 pc (1098.32 l.y.)
| Coord 2000 |
15317+1405 |
|
Discov num |
HO 549 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 31 45.00 +14 05 00.5 |
|
| Date first |
1895 |
|
Date last |
2017 |
|
Obs |
13 |
|
| Pa first |
134 |
|
Pa last |
133.4 |
|
P.A. Now (θ) |
133.4° |
|
| Sep first |
118.8 |
|
Sep last |
117.47 |
|
Sep. Now (ρ) |
117.47" |
|
| Mag pri |
8.04 |
|
Mag sec |
11.09 |
|
delta mag (ΔM) |
3.05 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-016 |
|
Sec motion ra |
-027 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
+020 |
|
| Notes |
|
|
rPM=0.423
Nature of this double is uncertain.
15317+1405 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 138454 |
101595 |
15 31 45 +14 05 00 |
HO 549 AB |
2017 |
13 |
133 |
117.5 |
8.04 |
11.09 |
3.05 |
|
<=== |
| Show |
|
|
15 31 51 +14 03 39 |
HO 549 BC |
1991 |
9 |
241 |
0.9 |
11.08 |
11.30 |
0.22 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 138454 |
|
Constellation |
Serpens |
|
SAO |
101595 |
|
HIP |
76038 |
|
| Tycho2 |
0940-00305-1 |
|
Gaia DR2 |
1194730163671143936 |
|
HD |
138454 |
|
BD |
BD+14 2890 |
|
| Distance |
336.7 |
|
Distance ly |
1098.32 |
|
