18365-2354 ARA 2240 BC
18h 36m 30.02s -23° 53' 50.3" P.A. 3.00 sep 12.6 mag 11.25,12.00
Coord 2000 |
18365-2354 |
|
Discov num |
ARA2240 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 36 30.02 -23 53 50.3 |
|
Date first |
1928 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
9 |
|
Pa last |
3.1 |
|
P.A. Now (θ) |
3.1° |
|
Sep first |
12.1 |
|
Sep last |
12.624 |
|
Sep. Now (ρ) |
12.624" |
|
Mag pri |
11.25 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
|
|
Pri motion ra |
+029 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=0.959
This double is not physical.
18365-2354 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 36 31 -23 53 58 |
ARA 2240 AB |
2015 |
7 |
317 |
10.4 |
11.20 |
11.70 |
0.50 |
|
|
Show |
|
|
18 36 30 -23 53 50 |
ARA 2240 BC |
2015 |
7 |
3 |
12.6 |
11.25 |
12.00 |
0.75 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4077588487078177280 |
|