19217-1715 HO 272 AB (HD 181576)
19h 21m 41.64s -17° 14' 43.5" P.A. 58.00 sep 17.0 mag 7.45,11.30 Sp F6V dist. 76.28 pc (248.83 l.y.)
Coord 2000 |
19217-1715 |
|
Discov num |
HO 272 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 21 41.64 -17 14 43.5 |
|
Date first |
1888 |
|
Date last |
2020 |
|
Obs |
12 |
|
Pa first |
38 |
|
Pa last |
57.5 |
|
P.A. Now (θ) |
57.5° |
|
Sep first |
6.7 |
|
Sep last |
16.98 |
|
Sep. Now (ρ) |
16.98" |
|
Mag pri |
7.45 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
3.85 |
|
Spectral class |
F6V (yellow-white) |
|
Pri motion ra |
-067 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-039 |
|
Sec motion dec |
-005 |
|
Notes |
N
L
U
(See Notes, Linear solution, Proper motion indicates non-physical) |
|
rPM=0.992
This double is not physical.
19217-1715 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 181576 |
162516 |
19 21 42 -17 14 44 |
HO 272 AB |
2020 |
12 |
58 |
17.0 |
7.45 |
11.30 |
3.85 |
|
<=== |
Show |
|
162516 |
19 21 42 -17 14 44 |
HO 272 AC |
2000 |
2 |
291 |
58.3 |
7.45 |
12.40 |
4.95 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 181576 |
|
Constellation |
Sagittarius |
|
SAO |
162516 |
|
HIP |
95172 |
|
Tycho2 |
6301-01335-1 |
|
Gaia DR2 |
4180762608077527040 |
|
HD |
181576 |
|
BD |
BD-17 5598 |
|
Distance |
76.28 |
|
Distance ly |
248.83 |
|