18039-2250 B 2430 (HD 164833)
18h 03m 55.89s -22° 50' 14.8" P.A. 7.00 sep 8.8 mag 7.12,12.40 Sp B0III
Coord 2000 |
18039-2250 |
|
Discov num |
B 2430 |
|
Comp |
|
|
Coord arcsec 2000 |
18 03 55.89 -22 50 14.8 |
|
Date first |
1929 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
5 |
|
Pa last |
6.7 |
|
P.A. Now (θ) |
6.7° |
|
Sep first |
8.0 |
|
Sep last |
8.802 |
|
Sep. Now (ρ) |
8.802" |
|
Mag pri |
7.12 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
5.28 |
|
Spectral class |
B0III (blue-white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164833 |
|
Constellation |
Sagittarius |
|
SAO |
186208 |
|
Tycho2 |
6842-00878-1 |
|
Gaia DR2 |
4069640809027438336 |
|
HD |
164833 |
|
GC |
24578 |
|