06224+2514 HO 25 AB (HD 255818)
06h 22m 21.84s +25° 13' 28.5" P.A. 250.00 sep 0.8 mag 10.17,10.33 Sp A5
| Coord 2000 |
06224+2514 |
|
Discov num |
HO 25 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 22 21.84 +25 13 28.5 |
|
| Date first |
1886 |
|
Date last |
2016 |
|
Obs |
22 |
|
| Pa first |
236 |
|
Pa last |
249.6 |
|
P.A. Now (θ) |
249.6° |
|
| Sep first |
0.3 |
|
Sep last |
0.84 |
|
Sep. Now (ρ) |
0.84" |
|
| Mag pri |
10.17 |
|
Mag sec |
10.33 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
06224+2514 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 255818 |
|
06 22 22 +25 13 28 |
HO 25 AB |
2016 |
22 |
250 |
0.8 |
10.17 |
10.33 |
0.16 |
Y |
<=== |
| Show |
|
|
06 22 22 +25 13 28 |
HO 25 AC |
2015 |
11 |
51 |
30.6 |
10.17 |
12.70 |
2.53 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 255818 |
|
Constellation |
Gemini |
|
Tycho2 |
1882-00998-1 |
|
Gaia DR2 |
3431777447594312192 |
|
| HD |
255818 |
|
ORBITAL ELEMENTS
| Period (P) | 677.8946y | ± 325.2782 |
Periastron (T) | 2039.4404y | ± 40.3367 |
Semi-major axis (a) | 1.29578a | ± 1.80456 |
| Eccentricity (e) | 0.7223 | ± 0.25943 |
Inclination (i) | 87.014° | ± 2.681 |
Longitude of periastron (ω) | 267.014° | ± 16.4 |
| Node (Ω) | 69.838° | ± 4.656 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 1995 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
248.9 |
0.721 |
| 2001 |
249.0 |
0.713 |
| 2002 |
249.0 |
0.706 |
| 2003 |
249.1 |
0.697 |
| 2004 |
249.2 |
0.689 |
| 2005 |
249.2 |
0.680 |
| 2006 |
249.3 |
0.671 |
| 2007 |
249.4 |
0.661 |
| 2008 |
249.4 |
0.651 |
| 2009 |
249.5 |
0.641 |
| 2010 |
249.6 |
0.630 |
| 2011 |
249.7 |
0.618 |
| 2012 |
249.8 |
0.606 |
| 2013 |
249.9 |
0.594 |
| 2014 |
250.0 |
0.581 |
| 2015 |
250.1 |
0.568 |
| 2016 |
250.2 |
0.553 |
| 2017 |
250.3 |
0.539 |
| 2018 |
250.4 |
0.524 |
| 2019 |
250.5 |
0.508 |
| 2020 |
250.6 |
0.491 |
| 2021 |
250.8 |
0.474 |
| 2022 |
250.9 |
0.456 |
| 2023 |
251.1 |
0.437 |
| 2024 |
251.3 |
0.417 |
| 2025 |
251.4 |
0.397 |
| 2026 |
251.7 |
0.376 |
| 2027 |
251.9 |
0.354 |
| 2028 |
252.2 |
0.331 |
| 2029 |
252.5 |
0.308 |
| 2030 |
252.9 |
0.283 |
|
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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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