21573-3418 SKF 445 AC
21h 57m 17.20s -34° 18' 21.4" P.A. 153.00 sep 13.7 mag 10.79,16.20 Sp K5V
| Coord 2000 |
21573-3418 |
|
Discov num |
SKF 445 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 57 17.20 -34 18 21.4 |
|
| Date first |
1975 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
154 |
|
Pa last |
152.8 |
|
P.A. Now (θ) |
152.8° |
|
| Sep first |
13.1 |
|
Sep last |
13.688 |
|
Sep. Now (ρ) |
13.688" |
|
| Mag pri |
10.79 |
|
Mag sec |
16.20 |
|
delta mag (ΔM) |
5.41 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+039 |
|
| Pri motion dec |
-040 |
|
Sec motion dec |
-068 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.505
This double is physical.
21573-3418 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 57 17 -34 18 21 |
HDS 3121 AB |
2014 |
3 |
105 |
0.8 |
10.79 |
12.15 |
1.36 |
|
|
| Show |
|
|
21 57 17 -34 18 21 |
SKF 445 AC |
2015 |
7 |
153 |
13.7 |
10.79 |
16.20 |
5.41 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Piscis Austrinus |
|
Tycho2 |
7491-01164-1 |
|
Gaia DR2 |
6588434202331572608 |
|
