18210-1805 DON 893
18h 21m 05.96s -18° 04' 47.2" P.A. 220.00 sep 2.8 mag 9.47,13.20 Sp B
Coord 2000 |
18210-1805 |
|
Discov num |
DON 893 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 05.96 -18 04 47.2 |
|
Date first |
1932 |
|
Date last |
2000 |
|
Obs |
4 |
|
Pa first |
226 |
|
Pa last |
219.7 |
|
P.A. Now (θ) |
219.7° |
|
Sep first |
2.4 |
|
Sep last |
2.81 |
|
Sep. Now (ρ) |
2.81" |
|
Mag pri |
9.47 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
3.73 |
|
Spectral class |
B (blue-white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
|
|
Pri motion dec |
+003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6269-01826-1 |
|
Gaia DR2 |
4096368974701052160 |
|
HD |
168553 |
|