18138-2850 B 2436 (HD 166855)
18h 13m 46.61s -28° 49' 37.4" P.A. 277.00 sep 6.8 mag 8.77,12.30 Sp K2/3III
Coord 2000 |
18138-2850 |
|
Discov num |
B 2436 |
|
Comp |
|
|
Coord arcsec 2000 |
18 13 46.61 -28 49 37.4 |
|
Date first |
1930 |
|
Date last |
1999 |
|
Obs |
2 |
|
Pa first |
270 |
|
Pa last |
276.6 |
|
P.A. Now (θ) |
276.6° |
|
Sep first |
7.0 |
|
Sep last |
6.82 |
|
Sep. Now (ρ) |
6.82" |
|
Mag pri |
8.77 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
3.53 |
|
Spectral class |
K2/3III (yellow-orange) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
|
|
Pri motion dec |
+018 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166855 |
|
Constellation |
Sagittarius |
|
SAO |
186494 |
|
Tycho2 |
6855-01332-1 |
|
Gaia DR2 |
4050596889708710912 |
|
HD |
166855 |
|