21363-0032 ITF 183 AB
21h 36m 16.87s -00° 31' 52.0" P.A. 248.00 sep 20.5 mag 13.29,14.71 Sp F9V+G8V
| Coord 2000 |
21363-0032 |
|
Discov num |
ITF 183 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 36 16.87 -00 31 52.0 |
|
| Date first |
1954 |
|
Date last |
2017 |
|
Obs |
7 |
|
| Pa first |
248 |
|
Pa last |
247.9 |
|
P.A. Now (θ) |
247.9° |
|
| Sep first |
20.2 |
|
Sep last |
20.54 |
|
Sep. Now (ρ) |
20.54" |
|
| Mag pri |
13.29 |
|
Mag sec |
14.71 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
F9V+G8V (yellow-white/yellow) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
+022 |
|
| Pri motion dec |
+015 |
|
Sec motion dec |
+020 |
|
| Notes |
|
|
rPM=0.196 (< 0.3, Physical double)
This double is physical.
21363-0032 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 36 17 -00 31 52 |
ITF 183 AB |
2017 |
7 |
248 |
20.5 |
13.29 |
14.71 |
1.42 |
|
<=== |
| Show |
|
|
21 36 17 -00 31 52 |
ITF 183 AC |
2017 |
2 |
245 |
18.4 |
13.29 |
16.10 |
2.81 |
|
|
| Show |
|
|
21 36 16 -00 31 60 |
ITF 170 BC |
2017 |
3 |
94 |
2.5 |
14.71 |
16.60 |
1.89 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
