02556+2652 STF 326 AB (HD 18143)
02h 55m 39.06s +26° 52' 23.6" P.A. 221.00 sep 4.6 mag 7.68,10.02 Sp K2IV+M0V dist. 23.49 pc (76.62 l.y.)
| Coord 2000 |
02556+2652 |
|
Discov num |
STF 326 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 55 39.06 +26 52 23.6 |
|
| Date first |
1831 |
|
Date last |
2020 |
|
Obs |
109 |
|
| Pa first |
216 |
|
Pa last |
221.2 |
|
P.A. Now (θ) |
221.2° |
|
| Sep first |
9.0 |
|
Sep last |
4.58 |
|
Sep. Now (ρ) |
4.58" |
|
| Mag pri |
7.68 |
|
Mag sec |
10.02 |
|
delta mag (ΔM) |
2.34 |
|
Spectral class |
K2IV+M0V (yellow-orange/red) |
|
| Pri motion ra |
+263 |
|
Sec motion ra |
+270 |
|
| Pri motion dec |
-191 |
|
Sec motion dec |
-168 |
|
| Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
|
rPM=0.074 (< 0.3, Physical double)
This double is physical.
02556+2652 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 18143 |
75644 |
02 55 39 +26 52 24 |
STF 326 AB |
2020 |
109 |
221 |
4.6 |
7.68 |
10.02 |
2.34 |
Y |
<=== |
| Show |
|
75644 |
02 55 39 +26 52 24 |
LDS 883 AC |
2020 |
7 |
266 |
43.8 |
7.68 |
13.86 |
6.18 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 18143 |
|
Constellation |
Aries |
|
SAO |
75644 |
|
HIP |
13642 |
|
| Tycho2 |
1789-01429-1 |
|
HD |
18143 |
|
GC |
3512 |
|
ADS |
2218 |
|
| GL |
Gl 118.2A |
|
BD |
BD+26 484 |
|
Distance |
23.49 |
|
Distance ly |
76.62 |
|
ORBITAL ELEMENTS
| Period (P) | | |
Periastron (T) | 2248y | |
Semi-major axis (a) | | |
| Eccentricity (e) | 1 | |
Inclination (i) | 81.5° | |
Longitude of periastron (ω) | 308.2° | |
| Node (Ω) | 34.55° | |
Notes | n | |
Reference | Hop1967 | |
| Equinox | 1900 | |
Last observation | 1955 | |
Grade | 7 | (1=Definitive, 9=Indet.) |
Not enought orbital data to create a graph.
