17269-4551 HJ 4949 AB (NSV8637)
17h 26m 51.98s -45° 50' 34.7" P.A. 251.00 sep 2.1 mag 5.63,6.46 Sp B7V+B9.5V dist. 194.93 pc (635.86 l.y.)
| Coord 2000 |
17269-4551 |
|
Discov num |
HJ 4949 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 26 51.98 -45 50 34.7 |
|
| Date first |
1834 |
|
Date last |
2016 |
|
Obs |
56 |
|
| Pa first |
268 |
|
Pa last |
251.1 |
|
P.A. Now (θ) |
251.1° |
|
| Sep first |
2.0 |
|
Sep last |
2.12 |
|
Sep. Now (ρ) |
2.12" |
|
| Mag pri |
5.63 |
|
Mag sec |
6.46 |
|
delta mag (ΔM) |
0.83 |
|
Spectral class |
B7V+B9.5V (blue-white/blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-029 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17269-4551 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
NSV8637 |
227971 |
17 26 52 -45 50 35 |
HJ 4949 AB |
2016 |
56 |
251 |
2.1 |
5.63 |
6.46 |
0.83 |
|
<=== |
| Show |
|
227971 |
17 26 52 -45 50 35 |
DUN 216 AC |
2016 |
18 |
312 |
102.5 |
5.63 |
7.12 |
1.49 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV8637 |
|
Constellation |
Ara |
|
SAO |
227971 |
|
HIP |
85389 |
|
| Tycho2 |
8342-06345-1 |
|
Gaia DR2 |
5951986642593137408 |
|
HD |
157661 |
|
HR |
6477 |
|
| GC |
23589 |
|
CD |
CD-4511531 |
|
CP |
CP-45 8580 |
|
Distance |
194.93 |
|
| Distance ly |
635.86 |
|
