17449-5733 HDO 277 AB (HD 160720)
17h 44m 55.84s -57° 32' 43.8" P.A. 252.00 sep 32.2 mag 6.01,12.00 Sp G8III dist. 125.94 pc (410.82 l.y.)
Coord 2000 |
17449-5733 |
|
Discov num |
HDO 277 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 44 55.84 -57 32 43.8 |
|
Date first |
1891 |
|
Date last |
1999 |
|
Obs |
4 |
|
Pa first |
265 |
|
Pa last |
252 |
|
P.A. Now (θ) |
252° |
|
Sep first |
30.0 |
|
Sep last |
32.16 |
|
Sep. Now (ρ) |
32.16" |
|
Mag pri |
6.01 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
5.99 |
|
Spectral class |
G8III (yellow) |
|
Pri motion ra |
+019 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-010 |
|
Notes |
|
|
rPM=0.585
Nature of this double is uncertain.
17449-5733 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
244989 |
17 44 56 -57 32 44 |
HLN 44 Aa,Ab |
1969 |
2 |
308 |
0.2 |
6.80 |
6.80 |
0.00 |
|
|
Show |
HD 160720 |
244989 |
17 44 56 -57 32 44 |
HDO 277 AB |
1999 |
4 |
252 |
32.2 |
6.01 |
12.00 |
5.99 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 160720 |
|
Constellation |
Pavo |
|
SAO |
244989 |
|
HIP |
86871 |
|
Tycho2 |
8737-01518-1 |
|
Gaia DR2 |
5918288122976930816 |
|
HD |
160720 |
|
HR |
6586 |
|
GC |
24034 |
|
CP |
CP-57 8703 |
|
Distance |
125.94 |
|
Distance ly |
410.82 |
|