23375+4426 STT 500 AB (HD 222109)
23h 37m 32.03s +44° 25' 44.5" P.A. 20.00 sep 0.5 mag 6.08,7.38 Sp B8V dist. 247.52 pc (807.41 l.y.)
Coord 2000 |
23375+4426 |
|
Discov num |
STT 500 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 37 32.03 +44 25 44.5 |
|
Date first |
1843 |
|
Date last |
2018 |
|
Obs |
174 |
|
Pa first |
273 |
|
Pa last |
20.3 |
|
P.A. Now (θ) |
20.3° |
|
Sep first |
0.3 |
|
Sep last |
0.483 |
|
Sep. Now (ρ) |
0.483" |
|
Mag pri |
6.08 |
|
Mag sec |
7.38 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
B8V (blue-white) |
|
Pri motion ra |
+014 |
|
Sec motion ra |
+014 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
23375+4426 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 222109 |
53202 |
23 37 32 +44 25 44 |
STT 500 AB |
2018 |
174 |
20 |
0.5 |
6.08 |
7.38 |
1.30 |
Y |
<=== |
Show |
|
53202 |
23 37 32 +44 25 44 |
STT 500 AB,C |
2002 |
7 |
334 |
118.3 |
6.08 |
10.95 |
4.87 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 222109 |
|
Constellation |
Andromeda |
|
SAO |
53202 |
|
HIP |
116582 |
|
Tycho2 |
3243-01411-1 |
|
HD |
222109 |
|
HR |
8962 |
|
GC |
32831 |
|
ADS |
16877 |
|
BD |
BD+43 4508 |
|
Distance |
247.52 |
|
Distance ly |
807.41 |
|
ORBITAL ELEMENTS
Period (P) | 351.22y | |
Periastron (T) | 2103.29y | |
Semi-major axis (a) | 0.41a | |
Eccentricity (e) | 0.39 | |
Inclination (i) | 40.3° | |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 157.1° | |
Notes | n | |
Reference | Zul1981 | |
Equinox | | |
Last observation | 1980 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
8.4 |
0.458 |
2001 |
9.0 |
0.455 |
2002 |
9.6 |
0.452 |
2003 |
10.2 |
0.449 |
2004 |
10.8 |
0.445 |
2005 |
11.4 |
0.442 |
2006 |
12.0 |
0.439 |
2007 |
12.6 |
0.436 |
2008 |
13.3 |
0.433 |
2009 |
13.9 |
0.429 |
2010 |
14.6 |
0.426 |
2011 |
15.3 |
0.423 |
2012 |
16.0 |
0.419 |
2013 |
16.6 |
0.416 |
2014 |
17.4 |
0.413 |
2015 |
18.1 |
0.409 |
2016 |
18.8 |
0.406 |
2017 |
19.5 |
0.402 |
2018 |
20.3 |
0.399 |
2019 |
21.1 |
0.395 |
2020 |
21.8 |
0.392 |
2021 |
22.6 |
0.388 |
2022 |
23.4 |
0.385 |
2023 |
24.3 |
0.381 |
2024 |
25.1 |
0.377 |
2025 |
26.0 |
0.374 |
2026 |
26.8 |
0.370 |
2027 |
27.7 |
0.367 |
2028 |
28.7 |
0.363 |
2029 |
29.6 |
0.359 |
2030 |
30.5 |
0.356 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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