20022-1237 HU 78 (HD 189787)
20h 02m 09.72s -12° 37' 15.3" P.A. 354.00 sep 2.3 mag 9.90,10.08 Sp F0V
Coord 2000 |
20022-1237 |
|
Discov num |
HU 78 |
|
Comp |
|
|
Coord arcsec 2000 |
20 02 09.72 -12 37 15.3 |
|
Date first |
1899 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
2 |
|
Pa last |
353.5 |
|
P.A. Now (θ) |
353.5° |
|
Sep first |
2.2 |
|
Sep last |
2.315 |
|
Sep. Now (ρ) |
2.315" |
|
Mag pri |
9.90 |
|
Mag sec |
10.08 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
F0V (yellow-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 189787 |
|
Constellation |
Sagittarius |
|
Tycho2 |
5746-01545-2 |
|
Gaia DR2 |
6879198815351738624 |
|
HD |
189787 |
|