20090-4452 B 986 (HD 190897)
20h 09m 01.81s -44° 51' 46.3" P.A. 105.00 sep 2.1 mag 9.94,10.97 Sp F7V dist. 132.1 pc (430.91 l.y.)
| Coord 2000 |
20090-4452 |
|
Discov num |
B 986 |
|
Comp |
|
|
Coord arcsec 2000 |
20 09 01.81 -44 51 46.3 |
|
| Date first |
1927 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
111 |
|
Pa last |
104.9 |
|
P.A. Now (θ) |
104.9° |
|
| Sep first |
2.1 |
|
Sep last |
2.088 |
|
Sep. Now (ρ) |
2.088" |
|
| Mag pri |
9.94 |
|
Mag sec |
10.97 |
|
delta mag (ΔM) |
1.03 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-036 |
|
Sec motion dec |
-036 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 190897 |
|
Constellation |
Sagittarius |
|
SAO |
230069 |
|
HIP |
99268 |
|
| Tycho2 |
7959-00085-1 |
|
Gaia DR2 |
6673456966903194880 |
|
HD |
190897 |
|
CD |
CD-4513634 |
|
| CP |
CP-45 9880 |
|
Distance |
132.1 |
|
Distance ly |
430.91 |
|
