17309-0538 A 30 AB,C
17h 30m 55.58s -05° 37' 41.7" P.A. 8.00 sep 3.3 mag 9.73,12.60 Sp A0
| Coord 2000 |
17309-0538 |
|
Discov num |
A 30 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
17 30 55.58 -05 37 41.7 |
|
| Date first |
1899 |
|
Date last |
1999 |
|
Obs |
8 |
|
| Pa first |
8 |
|
Pa last |
8.3 |
|
P.A. Now (θ) |
8.3° |
|
| Sep first |
3.3 |
|
Sep last |
3.26 |
|
Sep. Now (ρ) |
3.26" |
|
| Mag pri |
9.73 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2.87 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17309-0538 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 158698 |
141711 |
17 30 56 -05 37 42 |
A 30 AB |
2016 |
13 |
66 |
0.5 |
10.32 |
10.48 |
0.16 |
|
|
| Show |
|
141711 |
17 30 56 -05 37 42 |
A 30 AB,C |
1999 |
8 |
8 |
3.3 |
9.73 |
12.60 |
2.87 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
141711 |
|
Tycho2 |
5092-00499-1 |
|
Gaia DR2 |
4362323073379156992 |
|
| HD |
158698 |
|
