18427-1547 HU 250
18h 42m 44.23s -15° 47' 21.4" P.A. 298.00 sep 2.2 mag 9.40,14.90 Sp B5Ib
Coord 2000 |
18427-1547 |
|
Discov num |
HU 250 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 44.23 -15 47 21.4 |
|
Date first |
1900 |
|
Date last |
2000 |
|
Obs |
3 |
|
Pa first |
296 |
|
Pa last |
297.6 |
|
P.A. Now (θ) |
297.6° |
|
Sep first |
2.1 |
|
Sep last |
2.2 |
|
Sep. Now (ρ) |
2.2" |
|
Mag pri |
9.40 |
|
Mag sec |
14.90 |
|
delta mag (ΔM) |
5.5 |
|
Spectral class |
B5Ib (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
|
|
Pri motion dec |
+005 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scutum |
|
SAO |
161752 |
|
Tycho2 |
6280-00257-1 |
|
Gaia DR2 |
4100300072347878400 |
|
HD |
172793 |
|
ADS |
11586 |
|