20030-2314 B 464 (HD 189870)
20h 03m 00.97s -23° 14' 20.3" P.A. 231.00 sep 0.5 mag 10.78,10.93 Sp A9/F0V
| Coord 2000 |
20030-2314 |
|
Discov num |
B 464 |
|
Comp |
|
|
Coord arcsec 2000 |
20 03 00.97 -23 14 20.3 |
|
| Date first |
1926 |
|
Date last |
1991 |
|
Obs |
4 |
|
| Pa first |
211 |
|
Pa last |
231.4 |
|
P.A. Now (θ) |
231.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.51 |
|
Sep. Now (ρ) |
0.51" |
|
| Mag pri |
10.78 |
|
Mag sec |
10.93 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
A9/F0V (white) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
+019 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189870 |
|
Constellation |
Sagittarius |
|
SAO |
188850 |
|
Tycho2 |
6892-01655-1 |
|
| Gaia DR2 |
6851997206914375296 |
|
HD |
189870 |
|
ADS |
13282 |
|
