21307-3057 RSS 561 AB
21h 30m 44.67s -30° 57' 20.8" P.A. 98.00 sep 5.3 mag 10.87,10.90 dist. 52.6 pc (171.58 l.y.)
Coord 2000 |
21307-3057 |
|
Discov num |
RSS 561 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 30 44.67 -30 57 20.8 |
|
Date first |
1976 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
98 |
|
Pa last |
97.7 |
|
P.A. Now (θ) |
97.7° |
|
Sep first |
5.7 |
|
Sep last |
5.253 |
|
Sep. Now (ρ) |
5.253" |
|
Mag pri |
10.87 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
|
|
Pri motion ra |
+016 |
|
Sec motion ra |
|
|
Pri motion dec |
-215 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
21307-3057 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 30 45 -30 57 21 |
RSS 561 AB |
2015 |
4 |
98 |
5.3 |
10.87 |
10.90 |
0.03 |
|
<=== |
Show |
|
|
21 30 45 -30 57 21 |
TOK 636 AC |
1999 |
2 |
125 |
930.0 |
10.87 |
17.78 |
6.91 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Piscis Austrinus |
|
HIP |
106208 |
|
Tycho2 |
7474-00868-1 |
|
CD |
CD-3118312 |
|
Distance |
52.6 |
|
Distance ly |
171.58 |
|