17442-2727 STN 36 AB (HD 161004)
17h 44m 14.15s -27° 27' 28.2" P.A. 207.00 sep 8.6 mag 8.74,10.88 Sp B8V+G8IV
| Coord 2000 |
17442-2727 |
|
Discov num |
STN 36 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 44 14.15 -27 27 28.2 |
|
| Date first |
1878 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
210 |
|
Pa last |
207 |
|
P.A. Now (θ) |
207° |
|
| Sep first |
7.4 |
|
Sep last |
8.638 |
|
Sep. Now (ρ) |
8.638" |
|
| Mag pri |
8.74 |
|
Mag sec |
10.88 |
|
delta mag (ΔM) |
2.14 |
|
Spectral class |
B8V+G8IV (blue-white/yellow) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-017 |
|
| Notes |
|
|
rPM=0.6
Nature of this double is uncertain.
17442-2727 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 161004 |
185671 |
17 44 14 -27 27 28 |
STN 36 AB |
2015 |
15 |
207 |
8.6 |
8.74 |
10.88 |
2.14 |
|
<=== |
| Show |
|
185671 |
17 44 14 -27 27 28 |
SZA 3 AC |
2019 |
6 |
146 |
6.7 |
9.50 |
9.50 |
0.00 |
|
|
| Show |
|
|
17 44 14 -27 27 34 |
SZA 3 Ca,Cb |
2019 |
6 |
143 |
0.3 |
11.50 |
11.50 |
0.00 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 161004 |
|
Constellation |
Sagittarius |
|
SAO |
185671 |
|
Tycho2 |
6836-00750-1 |
|
| HD |
161004 |
|
ADS |
10739 |
|
