16278+2054 STH 3 AB (HD 148492)
16h 27m 46.52s +20° 53' 44.2" P.A. 285.00 sep 2.1 mag 8.37,12.40 Sp G dist. 76.45 pc (249.38 l.y.)
Coord 2000 |
16278+2054 |
|
Discov num |
STH 3 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 27 46.52 +20 53 44.2 |
|
Date first |
1887 |
|
Date last |
2016 |
|
Obs |
17 |
|
Pa first |
299 |
|
Pa last |
285 |
|
P.A. Now (θ) |
285° |
|
Sep first |
1.5 |
|
Sep last |
2.138 |
|
Sep. Now (ρ) |
2.138" |
|
Mag pri |
8.37 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
4.03 |
|
Spectral class |
G (yellow) |
|
Pri motion ra |
+034 |
|
Sec motion ra |
+072 |
|
Pri motion dec |
-119 |
|
Sec motion dec |
-180 |
|
Notes |
|
|
rPM=0.371
Nature of this double is uncertain.
16278+2054 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
84390 |
16 27 47 +20 53 44 |
GII 235 Aa,Ab |
2014 |
1 |
129 |
0.2 |
9.10 |
9.10 |
0.00 |
|
|
Show |
HD 148492 |
84390 |
16 27 47 +20 53 44 |
STH 3 AB |
2016 |
17 |
285 |
2.1 |
8.37 |
12.40 |
4.03 |
|
<=== |
Show |
|
84390 |
16 27 47 +20 53 44 |
STT 311 AC |
2013 |
57 |
321 |
11.0 |
8.37 |
11.52 |
3.15 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 148492 |
|
Constellation |
Hercules |
|
SAO |
84390 |
|
HIP |
80625 |
|
Tycho2 |
1518-00242-1 |
|
Gaia DR2 |
1297426611291439232 |
|
HD |
148492 |
|
BD |
BD+21 2926 |
|
Distance |
76.45 |
|
Distance ly |
249.38 |
|