12018-3439 I 215 AB (HD 104471)
12h 01m 46.09s -34° 39' 01.1" P.A. 310.00 sep 0.3 mag 7.27,8.48 Sp G0V dist. 55.96 pc (182.54 l.y.)
| Coord 2000 |
12018-3439 |
|
Discov num |
I 215 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 01 46.09 -34 39 01.1 |
|
| Date first |
1897 |
|
Date last |
2021 |
|
Obs |
81 |
|
| Pa first |
250 |
|
Pa last |
309.6 |
|
P.A. Now (θ) |
309.6° |
|
| Sep first |
0.7 |
|
Sep last |
0.273 |
|
Sep. Now (ρ) |
0.273" |
|
| Mag pri |
7.27 |
|
Mag sec |
8.48 |
|
delta mag (ΔM) |
1.21 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
-191 |
|
Sec motion ra |
-191 |
|
| Pri motion dec |
+017 |
|
Sec motion dec |
+017 |
|
| Notes |
N
O
V
(See Notes, Orbital solution, Proper motion indicates physical) |
|
This double is physical.
12018-3439 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
203046 |
12 01 46 -34 39 01 |
DSG 14 Aa,Ab |
2017 |
2 |
255 |
0.0 |
8.00 |
8.00 |
0.00 |
Y |
|
| Show |
HD 104471 |
203046 |
12 01 46 -34 39 01 |
I 215 AB |
2021 |
81 |
310 |
0.3 |
7.27 |
8.48 |
1.21 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 104471 |
|
Constellation |
Hydra |
|
SAO |
203046 |
|
HIP |
58669 |
|
| Tycho2 |
7239-00971-1 |
|
HD |
104471 |
|
GC |
16443 |
|
GL |
Gl 454.2A |
|
| CD |
CD-33 8130 |
|
Distance |
55.96 |
|
Distance ly |
182.54 |
|
