16569-4031 COO 289 CD
16h 56m 54.03s -40° 30' 46.7" P.A. 221.00 sep 7.9 mag 9.48,9.61 Sp B3
Coord 2000 |
16569-4031 |
|
Discov num |
COO 289 |
|
Comp |
CD |
|
Coord arcsec 2000 |
16 56 54.03 -40 30 46.7 |
|
Date first |
1897 |
|
Date last |
1999 |
|
Obs |
7 |
|
Pa first |
224 |
|
Pa last |
221.4 |
|
P.A. Now (θ) |
221.4° |
|
Sep first |
7.9 |
|
Sep last |
7.89 |
|
Sep. Now (ρ) |
7.89" |
|
Mag pri |
9.48 |
|
Mag sec |
9.61 |
|
delta mag (ΔM) |
0.13 |
|
Spectral class |
B3 (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-003 |
|
Notes |
N
(See Notes) |
|
rPM=0.632
Nature of this double is uncertain.
16569-4031 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
227479 |
16 56 55 -40 30 44 |
CHR 254 Aa,Ab |
2014 |
5 |
310 |
0.1 |
7.50 |
9.30 |
1.80 |
|
|
Show |
|
227479 |
16 56 55 -40 30 44 |
RST 5421 AB |
2015 |
4 |
128 |
7.3 |
7.27 |
13.00 |
5.73 |
|
|
Show |
HD 152723 |
227479 |
16 56 55 -40 30 44 |
COO 289 AC |
2016 |
10 |
253 |
7.9 |
7.27 |
9.48 |
2.21 |
|
|
Show |
|
227479 |
16 56 55 -40 30 44 |
COO 289 AD |
2016 |
10 |
237 |
15.2 |
7.27 |
9.61 |
2.34 |
|
|
Show |
|
227479 |
16 56 55 -40 30 44 |
COO 289 AE |
2016 |
2 |
339 |
38.2 |
7.27 |
12.70 |
5.43 |
|
|
Show |
|
|
16 56 54 -40 30 47 |
COO 289 CD |
1999 |
7 |
221 |
7.9 |
9.48 |
9.61 |
0.13 |
|
<=== |
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scorpius |
|
Tycho2 |
7872-02407-1 |
|
Gaia DR2 |
5969698194333933056 |
|