19311+1817 OL 82 (HD 231616)
19h 30m 23.26s +18° 15' 38.8" P.A. 246.00 sep 1.4 mag 9.80,11.70 Sp B0.5III
Coord 2000 |
19311+1817 |
|
Discov num |
OL 82 |
|
Comp |
|
|
Coord arcsec 2000 |
19 30 23.26 +18 15 38.8 |
|
Date first |
1920 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
242 |
|
Pa last |
245.5 |
|
P.A. Now (θ) |
245.5° |
|
Sep first |
1.2 |
|
Sep last |
1.424 |
|
Sep. Now (ρ) |
1.424" |
|
Mag pri |
9.80 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
B0.5III (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
-006 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 231616 |
|
Constellation |
Sagitta |
|
Tycho2 |
1605-00180-1 |
|
Gaia DR2 |
4323127850373105536 |
|
HD |
231616 |
|