17452-4458 BRT 990 BC
17h 45m 12.70s -44° 57' 57.4" P.A. 20.00 sep 4.2 mag 12.39,12.53
Coord 2000 |
17452-4458 |
|
Discov num |
BRT 990 |
|
Comp |
BC |
|
Coord arcsec 2000 |
17 45 12.70 -44 57 57.4 |
|
Date first |
1904 |
|
Date last |
1999 |
|
Obs |
4 |
|
Pa first |
19 |
|
Pa last |
19.9 |
|
P.A. Now (θ) |
19.9° |
|
Sep first |
4.0 |
|
Sep last |
4.16 |
|
Sep. Now (ρ) |
4.16" |
|
Mag pri |
12.39 |
|
Mag sec |
12.53 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
|
|
Pri motion ra |
-084 |
|
Sec motion ra |
-013 |
|
Pri motion dec |
-039 |
|
Sec motion dec |
+015 |
|
Notes |
B
(Blue magnitudes) |
|
rPM=0.963
This double is not physical.
17452-4458 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 45 13 -44 57 59 |
BRT 990 AB |
1999 |
3 |
292 |
4.4 |
12.32 |
12.39 |
0.07 |
|
|
Show |
|
|
17 45 13 -44 57 57 |
BRT 990 BC |
1999 |
4 |
20 |
4.2 |
12.39 |
12.53 |
0.14 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scorpius |
|
Gaia DR2 |
5955084241699994368 |
|