19031-4543 R 317 AB (HD 176555)
19h 03m 05.28s -45° 42' 42.1" P.A. 287.00 sep 1.7 mag 7.95,8.83 Sp B9III: dist. 85.4 pc (278.57 l.y.)
| Coord 2000 |
19031-4543 |
|
Discov num |
R 317 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 03 05.28 -45 42 42.1 |
|
| Date first |
1881 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
287 |
|
Pa last |
286.7 |
|
P.A. Now (θ) |
286.7° |
|
| Sep first |
1.0 |
|
Sep last |
1.72 |
|
Sep. Now (ρ) |
1.72" |
|
| Mag pri |
7.95 |
|
Mag sec |
8.83 |
|
delta mag (ΔM) |
0.88 |
|
Spectral class |
B9III: (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-015 |
|
| Notes |
|
|
Nature of this double is uncertain.
19031-4543 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 176555 |
229458 |
19 03 05 -45 42 42 |
R 317 AB |
2016 |
14 |
287 |
1.7 |
7.95 |
8.83 |
0.88 |
|
<=== |
| Show |
|
229458 |
19 03 05 -45 42 42 |
HJ 5078 AC |
2016 |
17 |
212 |
18.6 |
7.95 |
8.83 |
0.88 |
|
|
| Show |
|
|
19 03 04 -45 42 58 |
B 2873 CD |
1999 |
2 |
268 |
6.2 |
8.83 |
12.90 |
4.07 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 176555 |
|
Constellation |
Telescopium |
|
SAO |
229458 |
|
HIP |
93539 |
|
| Tycho2 |
8374-02986-1 |
|
Gaia DR2 |
6711012092221601664 |
|
HD |
176555 |
|
GC |
26160 |
|
| CD |
CD-4512940 |
|
Distance |
85.4 |
|
Distance ly |
278.57 |
|
