18300-1257 HU 69 (HD 170452)
18h 30m 01.21s -12° 56' 54.9" P.A. 233.00 sep 0.3 mag 9.60,9.70 Sp O9:V
Coord 2000 |
18300-1257 |
|
Discov num |
HU 69 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 01.21 -12 56 54.9 |
|
Date first |
1899 |
|
Date last |
1986 |
|
Obs |
8 |
|
Pa first |
246 |
|
Pa last |
233 |
|
P.A. Now (θ) |
233° |
|
Sep first |
0.3 |
|
Sep last |
0.29 |
|
Sep. Now (ρ) |
0.29" |
|
Mag pri |
9.60 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
O9:V (blue) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+000 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 170452 |
|
Constellation |
Scutum |
|
SAO |
161538 |
|
Tycho2 |
5698-05478-1 |
|
Gaia DR2 |
4104877987726272000 |
|
HD |
170452 |
|
ADS |
11394 |
|