18317-2541 OCC 264 (HD 170636)
18h 31m 40.17s -25° 41' 25.4" P.A. -1.00 sep 0.1 mag 9.20,9.50 Sp F5V dist. 90.58 pc (295.47 l.y.)
| Coord 2000 |
18317-2541 |
|
Discov num |
OCC 264 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 40.17 -25 41 25.4 |
|
| Date first |
1972 |
|
Date last |
1972 |
|
Obs |
0 |
|
| Pa first |
-1 |
|
Pa last |
-1 |
|
P.A. Now (θ) |
-1 |
|
| Sep first |
0.1 |
|
Sep last |
0.115 |
|
Sep. Now (ρ) |
0.115" |
|
| Mag pri |
9.20 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
-023 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170636 |
|
Constellation |
Sagittarius |
|
SAO |
186917 |
|
HIP |
90822 |
|
| Tycho2 |
6861-01645-1 |
|
Gaia DR2 |
4076154384722077440 |
|
HD |
170636 |
|
CD |
CD-2513207 |
|
| CP |
CP-25 6547 |
|
Distance |
90.58 |
|
Distance ly |
295.47 |
|
