22266+0424 BU  290AB (34 Peg)

 
 
22h 26m 37.38s +04 23' 37.1" P.A. 225.7 sep 3.41 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
16
Pa first
210
Pa last
226
P.A. Now (θ)
225.7°
Sep first
2.0
Sep last
4.1
Sep. Now (ρ)
3.41"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 34 Peg 127529 22266+0424 BU 290 AB 1874 2015 16 226 3.4 5.81 12.50 6.69 Y <===
Show 22266+0424 BU 290 AC 1911 2000 5 269 126.4 5.81 14.73 8.92
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.2
Precise sep
4.08
Name
34 Peg
Cdsa2 id
BU 290 AB
Constellation
Pegasus
SAO
127529
HIP
110785
HD
212754
HR
8548
GC
31355
ADS
15935
GL
Wo 9782A
Flamsteed
34 Pegasi
Flamsteed name
34 Peg
Ra deg
22.443716666666667
De deg
4.393638888888889
Distance
38.15
Distance ly
124.45
last precise pa
226.2
last precise sep
4.08
 
 
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° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1990
label rho theta
2000 3.546 224.7
2001 3.540 224.7
2002 3.533 224.8
2003 3.527 224.8
2004 3.520 224.9
2005 3.513 225.0
2006 3.506 225.0
2007 3.499 225.1
2008 3.492 225.1
2009 3.484 225.2
2010 3.476 225.3
2011 3.468 225.3
2012 3.460 225.4
2013 3.452 225.4
2014 3.443 225.5
2015 3.434 225.6
2016 3.425 225.6
2017 3.416 225.7
2018 3.407 225.7
2019 3.397 225.8
2020 3.388 225.9
2021 3.378 225.9
2022 3.368 226.0
2023 3.358 226.1
2024 3.347 226.1
2025 3.337 226.2
2026 3.326 226.2
2027 3.315 226.3
2028 3.304 226.4
2029 3.292 226.4
2030 3.281 226.5

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds22266%2B0424a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22266+0424 BU 290 AB 1990 14 224 3.6 5.80 12.50 F8IV-V NO 222637.38+042337.1
22266+0424 BU 290 AB 2015 15 226 4.1 5.81 12.50 F7V NO 222637.38+042337.1

If you need more information about this double, apply for a data request form to the WDS.