03124-4425 HJ 3556 AB,C (HD 20121)
03h 12m 25.68s -44° 25' 10.8" P.A. 188.00 sep 3.7 mag 6.42,8.76 Sp F7III dist. 42.5 pc (138.64 l.y.)
Coord 2000 |
03124-4425 |
|
Discov num |
HJ 3556 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
03 12 25.68 -44 25 10.8 |
|
Date first |
1848 |
|
Date last |
2017 |
|
Obs |
68 |
|
Pa first |
238 |
|
Pa last |
187.8 |
|
P.A. Now (θ) |
187.8° |
|
Sep first |
1.8 |
|
Sep last |
3.667 |
|
Sep. Now (ρ) |
3.667" |
|
Mag pri |
6.42 |
|
Mag sec |
8.76 |
|
delta mag (ΔM) |
2.34 |
|
Spectral class |
F7III (yellow-white) |
|
Pri motion ra |
+092 |
|
Sec motion ra |
+087 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-018 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.141 (< 0.3, Physical double)
This double is physical.
03124-4425 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
216209 |
03 12 26 -44 25 11 |
JC 8 AB |
2021 |
125 |
90 |
0.1 |
6.42 |
7.36 |
0.94 |
Y |
|
Show |
HD 20121 |
216209 |
03 12 26 -44 25 11 |
HJ 3556 AB,C |
2017 |
68 |
188 |
3.7 |
6.42 |
8.76 |
2.34 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 20121 |
|
Constellation |
Eridanus |
|
SAO |
216209 |
|
HIP |
14913 |
|
Tycho2 |
7567-01177-1 |
|
Gaia DR2 |
4850405974392311168 |
|
HD |
20121 |
|
HR |
968 |
|
CD |
CD-44 1025 |
|
CP |
CP-44 338 |
|
FK5 |
2228 |
|
Distance |
42.5 |
|
Distance ly |
138.64 |
|