22266+0424 BU 290 AB (34 Peg)
22h 26m 37.38s +04° 23' 37.1" P.A. 226.00 sep 4.1 mag 5.81,12.50 Sp F7V dist. 38.15 pc (124.45 l.y.)
| Coord 2000 |
22266+0424 |
|
Discov num |
BU 290 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 26 37.38 +04 23 37.1 |
|
| Date first |
1874 |
|
Date last |
2015 |
|
Obs |
20 |
|
| Pa first |
210 |
|
Pa last |
226.2 |
|
P.A. Now (θ) |
226.2° |
|
| Sep first |
2.0 |
|
Sep last |
4.08 |
|
Sep. Now (ρ) |
4.08" |
|
| Mag pri |
5.81 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
6.69 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
+284 |
|
Sec motion ra |
|
|
| Pri motion dec |
+054 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
22266+0424 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
34 Peg |
127529 |
22 26 37 +04 23 37 |
BU 290 AB |
2015 |
20 |
226 |
4.1 |
5.81 |
12.50 |
6.69 |
Y |
<=== |
| Show |
|
127529 |
22 26 37 +04 23 37 |
BU 290 AC |
2000 |
4 |
269 |
126.4 |
5.81 |
14.73 |
8.92 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
34 Peg |
|
Constellation |
Pegasus |
|
SAO |
127529 |
|
HIP |
110785 |
|
| Tycho2 |
0563-00833-1 |
|
Gaia DR2 |
2707385278448285696 |
|
HD |
212754 |
|
HR |
8548 |
|
| GC |
31355 |
|
ADS |
15935 |
|
GL |
Wo 9782A |
|
BD |
BD+03 4705 |
|
| Flamsteed |
34 Pegasi |
|
Flamsteed name |
34 Peg |
|
Distance |
38.15 |
|
Distance ly |
124.45 |
|
ORBITAL ELEMENTS
| Period (P) | 420y | |
Periastron (T) | 1800y | |
Semi-major axis (a) | 2.43a | |
| Eccentricity (e) | 0.59 | |
Inclination (i) | 79.9° | |
Longitude of periastron (ω) | 26.32° | |
| Node (Ω) | 40.3° | |
Notes | n | |
Reference | Hle1994 | |
| Equinox | 2000 | |
Last observation | 1990 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
224.7 |
3.546 |
| 2001 |
224.7 |
3.540 |
| 2002 |
224.8 |
3.533 |
| 2003 |
224.8 |
3.527 |
| 2004 |
224.9 |
3.520 |
| 2005 |
225.0 |
3.513 |
| 2006 |
225.0 |
3.506 |
| 2007 |
225.1 |
3.499 |
| 2008 |
225.1 |
3.492 |
| 2009 |
225.2 |
3.484 |
| 2010 |
225.3 |
3.476 |
| 2011 |
225.3 |
3.468 |
| 2012 |
225.4 |
3.460 |
| 2013 |
225.4 |
3.452 |
| 2014 |
225.5 |
3.443 |
| 2015 |
225.6 |
3.434 |
| 2016 |
225.6 |
3.425 |
| 2017 |
225.7 |
3.416 |
| 2018 |
225.7 |
3.407 |
| 2019 |
225.8 |
3.397 |
| 2020 |
225.9 |
3.388 |
| 2021 |
225.9 |
3.378 |
| 2022 |
226.0 |
3.368 |
| 2023 |
226.1 |
3.358 |
| 2024 |
226.1 |
3.347 |
| 2025 |
226.2 |
3.337 |
| 2026 |
226.2 |
3.326 |
| 2027 |
226.3 |
3.315 |
| 2028 |
226.4 |
3.304 |
| 2029 |
226.4 |
3.292 |
| 2030 |
226.5 |
3.281 |
|
|
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 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 22266+0424 BU 290 A |
| coord_arcsec_2000 | 222637.22+042337.1 |
| Period (P) | 878d (2.4y) | ± 62 |
Periastron (T) | 48839d (1992.592y) | ± 184 |
Semi-major axis (a) | 10.9m | ± 6.8 |
| Eccentricity (e) | 0.29 | ± 0.37 |
Inclination (i) | 93° | ± 6 |
Longitude of periastron (ω) | 93° | ± 87 |
| Node (Ω) | 272° | ± 94 |
Notes | | |
Reference | Gln2007 | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
94.1 |
0.007 |
| 2001-01-01 |
322.0 |
0.001 |
| 2002-01-01 |
269.7 |
0.007 |
| 2003-01-01 |
87.6 |
0.007 |
| 2004-01-01 |
273.7 |
0.010 |
| 2005-01-01 |
91.8 |
0.010 |
| 2006-01-01 |
280.5 |
0.005 |
| 2007-01-01 |
206.2 |
|
| 2008-01-01 |
81.6 |
0.004 |
| 2009-01-01 |
272.2 |
0.010 |
| 2010-01-01 |
90.1 |
0.010 |
| 2011-01-01 |
276.0 |
0.008 |
| 2012-01-01 |
94.5 |
0.006 |
| 2013-01-01 |
346.3 |
0.001 |
| 2014-01-01 |
270.0 |
0.007 |
| 2015-01-01 |
87.9 |
0.008 |
| 2016-01-01 |
273.9 |
0.010 |
| 2017-01-01 |
92.0 |
0.010 |
| 2018-01-01 |
281.4 |
0.004 |
| 2019-01-01 |
248.5 |
0.001 |
| 2020-01-01 |
82.7 |
0.004 |
| 2021-01-01 |
272.3 |
0.010 |
| 2022-01-01 |
90.3 |
0.010 |
| 2023-01-01 |
276.2 |
0.008 |
| 2024-01-01 |
94.9 |
0.006 |
| 2025-01-01 |
17.5 |
0.001 |
| 2026-01-01 |
270.3 |
0.008 |
| 2027-01-01 |
88.2 |
0.008 |
| 2028-01-01 |
274.1 |
0.010 |
| 2029-01-01 |
92.1 |
0.010 |
| 2030-01-01 |
282.5 |
0.004 |
|
|
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 |
|
