17522-2829 HWE 40 AB (HD 162438)
17h 52m 14.06s -28° 28' 46.3" P.A. 8.00 sep 7.1 mag 8.48,11.00 Sp K1/2(III)
Coord 2000 |
17522-2829 |
|
Discov num |
HWE 40 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 52 14.06 -28 28 46.3 |
|
Date first |
1877 |
|
Date last |
2015 |
|
Obs |
15 |
|
Pa first |
11 |
|
Pa last |
8.4 |
|
P.A. Now (θ) |
8.4° |
|
Sep first |
6.3 |
|
Sep last |
7.125 |
|
Sep. Now (ρ) |
7.125" |
|
Mag pri |
8.48 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
K1/2(III) (yellow-orange) |
|
Pri motion ra |
+012 |
|
Sec motion ra |
|
|
Pri motion dec |
+000 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
17522-2829 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 162438 |
|
17 52 14 -28 28 46 |
HWE 40 AB |
2015 |
15 |
8 |
7.1 |
8.48 |
11.00 |
2.52 |
|
<=== |
Show |
|
|
17 52 14 -28 28 46 |
HWE 40 AD |
2015 |
4 |
2 |
12.0 |
8.48 |
12.50 |
4.02 |
|
|
Show |
|
|
17 52 14 -28 28 46 |
HWE 40 AE |
2015 |
4 |
11 |
21.7 |
8.48 |
12.50 |
4.02 |
|
|
Show |
|
|
17 52 14 -28 28 39 |
BU 1122 BC |
1960 |
11 |
132 |
1.5 |
11.00 |
11.40 |
0.40 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 162438 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6853-00533-1 |
|
Gaia DR2 |
4057382560119989888 |
|
HD |
162438 |
|