18420-4050 UC 3643
18h 41m 57.57s -40° 50' 25.1" P.A. 275.00 sep 23.0 mag 15.90,16.40
| Coord 2000 |
18420-4050 |
|
Discov num |
UC 3643 |
|
Comp |
|
|
Coord arcsec 2000 |
18 41 57.57 -40 50 25.1 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
276 |
|
Pa last |
275 |
|
P.A. Now (θ) |
275° |
|
| Sep first |
22.6 |
|
Sep last |
23.003 |
|
Sep. Now (ρ) |
23.003" |
|
| Mag pri |
15.90 |
|
Mag sec |
16.40 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-041 |
|
Sec motion ra |
-049 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-013 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.422
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Austrina |
|
Gaia DR2 |
6728664339096260608 |
|