18044-4306 DON 880 (HD 164691)
18h 04m 25.27s -43° 05' 36.5" P.A. 178.00 sep 3.3 mag 10.29,10.83 Sp F3/5V
Coord 2000 |
18044-4306 |
|
Discov num |
DON 880 |
|
Comp |
|
|
Coord arcsec 2000 |
18 04 25.27 -43 05 36.5 |
|
Date first |
1931 |
|
Date last |
1998 |
|
Obs |
5 |
|
Pa first |
176 |
|
Pa last |
177.5 |
|
P.A. Now (θ) |
177.5° |
|
Sep first |
2.9 |
|
Sep last |
3.284 |
|
Sep. Now (ρ) |
3.284" |
|
Mag pri |
10.29 |
|
Mag sec |
10.83 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
F3/5V (yellow-white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
+024 |
|
Sec motion dec |
-058 |
|
Notes |
|
|
rPM=1.411
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164691 |
|
Constellation |
Corona Austrina |
|
Tycho2 |
7907-00012-1 |
|
Gaia DR2 |
6724274500260288256 |
|
HD |
164691 |
|