18115-4435 DON 884
18h 11m 27.90s -44° 35' 09.9" P.A. 188.00 sep 6.5 mag 8.13,14.60 Sp B5II dist. 305.81 pc (997.55 l.y.)
| Coord 2000 |
18115-4435 |
|
Discov num |
DON 884 |
|
Comp |
|
|
Coord arcsec 2000 |
18 11 27.90 -44 35 09.9 |
|
| Date first |
1930 |
|
Date last |
1999 |
|
Obs |
3 |
|
| Pa first |
192 |
|
Pa last |
187.5 |
|
P.A. Now (θ) |
187.5° |
|
| Sep first |
6.1 |
|
Sep last |
6.54 |
|
Sep. Now (ρ) |
6.54" |
|
| Mag pri |
8.13 |
|
Mag sec |
14.60 |
|
delta mag (ΔM) |
6.47 |
|
Spectral class |
B5II (blue-white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Austrina |
|
SAO |
228781 |
|
HIP |
89135 |
|
Tycho2 |
7912-00507-1 |
|
| Gaia DR2 |
6720755169697130880 |
|
HD |
166138 |
|
CD |
CD-4412396 |
|
CP |
CP-44 8989 |
|
| Distance |
305.81 |
|
Distance ly |
997.55 |
|
