18426-5553 R 309 (HD 172306)
18h 42m 37.44s -55° 53' 23.5" P.A. 207.00 sep 2.1 mag 8.58,9.67 Sp F6V dist. 88.26 pc (287.9 l.y.)
| Coord 2000 |
18426-5553 |
|
Discov num |
R 309 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 37.44 -55 53 23.5 |
|
| Date first |
1871 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
217 |
|
Pa last |
207 |
|
P.A. Now (θ) |
207° |
|
| Sep first |
3.2 |
|
Sep last |
2.065 |
|
Sep. Now (ρ) |
2.065" |
|
| Mag pri |
8.58 |
|
Mag sec |
9.67 |
|
delta mag (ΔM) |
1.09 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-027 |
|
Sec motion dec |
-027 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172306 |
|
Constellation |
Telescopium |
|
SAO |
245643 |
|
HIP |
91754 |
|
| Tycho2 |
8762-01861-1 |
|
Gaia DR2 |
6649787780096315648 |
|
HD |
172306 |
|
GC |
25550 |
|
| CP |
CP-56 8914 |
|
Distance |
88.26 |
|
Distance ly |
287.9 |
|
