23186+6807 STF 3001 AB (Omi Cep)
23h 18m 37.41s +68° 06' 41.1" P.A. 224.00 sep 3.4 mag 4.97,7.28 Sp G8III dist. 62.27 pc (203.12 l.y.)
| Coord 2000 |
23186+6807 |
|
Discov num |
STF3001 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 18 37.41 +68 06 41.1 |
|
| Date first |
1828 |
|
Date last |
2022 |
|
Obs |
240 |
|
| Pa first |
174 |
|
Pa last |
223.8 |
|
P.A. Now (θ) |
223.8° |
|
| Sep first |
2.0 |
|
Sep last |
3.44 |
|
Sep. Now (ρ) |
3.44" |
|
| Mag pri |
4.97 |
|
Mag sec |
7.28 |
|
delta mag (ΔM) |
2.31 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
+053 |
|
Sec motion ra |
+046 |
|
| Pri motion dec |
+024 |
|
Sec motion dec |
+013 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.224 (< 0.3, Physical double)
This double is physical.
23186+6807 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Omi Cep |
20554 |
23 18 37 +68 06 41 |
STF 3001 AB |
2022 |
240 |
224 |
3.4 |
4.97 |
7.28 |
2.31 |
Y |
<=== |
| Show |
|
20554 |
23 18 37 +68 06 41 |
STF 3001 AC |
2012 |
2 |
356 |
44.0 |
4.97 |
12.90 |
7.93 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Omi Cep |
|
Var name |
NSV14495 Cep |
|
Constellation |
Cepheus |
|
SAO |
20554 |
|
| HIP |
115088 |
|
Tycho2 |
4478-01361-1 |
|
Gaia DR2 |
2213911506281421824 |
|
HD |
219916 |
|
| HR |
8872 |
|
GC |
32463 |
|
ADS |
16666 |
|
BD |
BD+67 1514 |
|
| Bayer |
Omicron Cephei |
|
Bayer name |
Omi Cep |
|
Flamsteed |
34 Cephei |
|
Flamsteed name |
34 Cep |
|
| Distance |
62.27 |
|
Distance ly |
203.12 |
|
Bayer greek |
ο Cep |
|
ORBITAL ELEMENTS
| Period (P) | 2198.7243y | ± 954.5756 |
Periastron (T) | 1744.0458y | ± 359.5156 |
Semi-major axis (a) | 9.52716a | ± 5.13334 |
| Eccentricity (e) | 0.91375 | ± 0.1455 |
Inclination (i) | 71.159° | ± 12.139 |
Longitude of periastron (ω) | 289.955° | ± 31.201 |
| Node (Ω) | 137.169° | ± 64.522 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
219.8 |
3.303 |
| 2001 |
220.0 |
3.310 |
| 2002 |
220.2 |
3.316 |
| 2003 |
220.3 |
3.323 |
| 2004 |
220.5 |
3.329 |
| 2005 |
220.7 |
3.335 |
| 2006 |
220.9 |
3.342 |
| 2007 |
221.0 |
3.348 |
| 2008 |
221.2 |
3.355 |
| 2009 |
221.4 |
3.361 |
| 2010 |
221.5 |
3.368 |
| 2011 |
221.7 |
3.374 |
| 2012 |
221.9 |
3.381 |
| 2013 |
222.1 |
3.387 |
| 2014 |
222.2 |
3.394 |
| 2015 |
222.4 |
3.400 |
| 2016 |
222.6 |
3.407 |
| 2017 |
222.7 |
3.413 |
| 2018 |
222.9 |
3.420 |
| 2019 |
223.1 |
3.426 |
| 2020 |
223.2 |
3.433 |
| 2021 |
223.4 |
3.440 |
| 2022 |
223.6 |
3.446 |
| 2023 |
223.7 |
3.453 |
| 2024 |
223.9 |
3.459 |
| 2025 |
224.1 |
3.466 |
| 2026 |
224.2 |
3.473 |
| 2027 |
224.4 |
3.479 |
| 2028 |
224.5 |
3.486 |
| 2029 |
224.7 |
3.492 |
| 2030 |
224.9 |
3.499 |
|
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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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