18231-2009 DON 897
18h 23m 05.60s -20° 08' 34.4" P.A. 129.00 sep 1.6 mag 10.09,12.80 Sp A0/1III
Coord 2000 |
18231-2009 |
|
Discov num |
DON 897 |
|
Comp |
|
|
Coord arcsec 2000 |
18 23 05.60 -20 08 34.4 |
|
Date first |
1928 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
128 |
|
Pa last |
128.9 |
|
P.A. Now (θ) |
128.9° |
|
Sep first |
1.6 |
|
Sep last |
1.643 |
|
Sep. Now (ρ) |
1.643" |
|
Mag pri |
10.09 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
2.71 |
|
Spectral class |
A0/1III (white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
+000 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6273-01537-1 |
|
Gaia DR2 |
4091434293405176704 |
|
HD |
168939 |
|