21180+0010 TOB 317 AD
21h 18m 02.97s +00° 09' 41.6" P.A. 53.00 sep 123.3 mag 8.29,12.75 Sp K2 dist. 19.82 pc (64.65 l.y.)
Coord 2000 |
21180+0010 |
|
Discov num |
TOB 317 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 18 02.97 +00 09 41.6 |
|
Date first |
1982 |
|
Date last |
2020 |
|
Obs |
4 |
|
Pa first |
55 |
|
Pa last |
52.9 |
|
P.A. Now (θ) |
52.9° |
|
Sep first |
126.6 |
|
Sep last |
123.29 |
|
Sep. Now (ρ) |
123.29" |
|
Mag pri |
8.29 |
|
Mag sec |
12.75 |
|
delta mag (ΔM) |
4.46 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
+468 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-185 |
|
Sec motion dec |
-007 |
|
Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1.001
This double is not physical.
21180+0010 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 202751 |
145275 |
21 18 03 +00 09 42 |
ENG 82 AB |
2020 |
12 |
41 |
152.5 |
8.29 |
9.53 |
1.24 |
|
|
Show |
|
145275 |
21 18 03 +00 09 42 |
TOB 317 AD |
2020 |
4 |
53 |
123.3 |
8.29 |
12.75 |
4.46 |
|
<=== |
Show |
|
|
21 18 10 +00 11 35 |
BUP 228 BC |
2020 |
11 |
117 |
12.2 |
9.53 |
11.20 |
1.67 |
|
|
Show |
|
|
21 18 10 +00 11 35 |
LYS 44 BD |
2020 |
7 |
181 |
41.2 |
9.53 |
12.75 |
3.22 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
SAO |
145275 |
|
HIP |
105152 |
|
Tycho2 |
0528-01809-1 |
|
HD |
202751 |
|
GL |
Gl 825.3 |
|
BD |
BD-00 4195 |
|
Distance |
19.82 |
|
Distance ly |
64.65 |
|