18388-1928 BRT 1541
18h 38m 46.39s -19° 27' 30.3" P.A. 34.00 sep 4.2 mag 11.39,11.90
Coord 2000 |
18388-1928 |
|
Discov num |
BRT1541 |
|
Comp |
|
|
Coord arcsec 2000 |
18 38 46.39 -19 27 30.3 |
|
Date first |
1919 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
30 |
|
Pa last |
33.8 |
|
P.A. Now (θ) |
33.8° |
|
Sep first |
4.2 |
|
Sep last |
4.216 |
|
Sep. Now (ρ) |
4.216" |
|
Mag pri |
11.39 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-017 |
|
Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.647
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6275-00866-1 |
|
Gaia DR2 |
4092412347728217088 |
|