16543-4017 I 994 AD
16h 54m 19.18s -40° 17' 06.7" P.A. 281.00 sep 13.7 mag 11.30,12.80 Sp B8
| Coord 2000 |
16543-4017 |
|
Discov num |
I 994 |
|
Comp |
AD |
|
Coord arcsec 2000 |
16 54 19.18 -40 17 06.7 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
279 |
|
Pa last |
280.9 |
|
P.A. Now (θ) |
280.9° |
|
| Sep first |
16.2 |
|
Sep last |
13.705 |
|
Sep. Now (ρ) |
13.705" |
|
| Mag pri |
11.30 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-124 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+045 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=0.974
This double is not physical.
16543-4017 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 322254 |
|
16 54 19 -40 17 07 |
I 994 AB |
2000 |
5 |
284 |
2.8 |
11.30 |
11.50 |
0.20 |
|
|
| Show |
|
|
16 54 19 -40 17 07 |
WG 190 AC |
2015 |
5 |
96 |
9.2 |
11.30 |
13.00 |
1.70 |
|
|
| Show |
|
|
16 54 19 -40 17 07 |
I 994 AD |
2015 |
5 |
281 |
13.7 |
11.30 |
12.80 |
1.50 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
Tycho2 |
7872-00170-1 |
|
Gaia DR2 |
5969745748194933376 |
|
HD |
322254 |
|
