22375+3923 HDS3211AB

 
 
22h 37m 29.90s +39 22' 50.7" P.A. 37.8 sep 0.33 mag 10.04,10.47 Sp K7+M3 dist. 19.54 pc (63.74 l.y.)
 
 
Coord 2000
22375+3923
Discov num
HDS3211
Comp
AB
Coord arcsec 2000
22 37 29.90 +39 22 50.7
Date first
1991
Date last
2011
Obs
20
Pa first
355
Pa last
269
P.A. Now (θ)
37.8°
Sep first
0.1
Sep last
0.3
Sep. Now (ρ)
0.33"
Mag pri
10.04
Mag sec
10.47
delta mag (ΔM)
0.43
Spectral class
K7+M3 (yellow-orange/red)
Pri motion ra
+022
Sec motion ra
Pri motion dec
-341
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
22375+3923 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 22375+3923 HDS3211 AB 1991 2011 20 38 0.3 10.04 10.47 0.43 Y <===
Show 22375+3923 KIR 5 AC 1998 1998 1 111 33.4 6.60 13.40 6.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.2
Precise sep
0.293
Cdsa2 id
HDS 3211 AB
Constellation
Lacerta
HIP
111685
GL
NN 4287
Ra deg
22.624972222222222
De deg
39.38075
Distance
19.54
Distance ly
63.74
last precise pa
269.2
last precise sep
0.293
 
 
ORBITAL ELEMENTS
 
 
Period (P)16.77y± 0.15 Periastron (T)1991.78y± 0.08 Semi-major axis (a)0.33a± 0.003
Eccentricity (e)0.256± 0.009 Inclination (i)55.9°± 0.6 Longitude of periastron (ω)118.7°± 2.2
Node (Ω)69°± 1 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 0.278 20.7
2001 0.318 35.0
2002 0.349 46.4
2003 0.366 56.2
2004 0.359 65.7
2005 0.325 76.4
2006 0.261 91.0
2007 0.179 118.1
2008 0.143 173.5
2009 0.202 220.1
2010 0.263 243.4
2011 0.285 259.9
2012 0.272 276.0
2013 0.246 294.9
2014 0.224 318.2
2015 0.225 343.7
2016 0.250 6.6
2017 0.287 24.3
2018 0.326 37.8
2019 0.355 48.7
2020 0.366 58.4
2021 0.354 68.0
2022 0.313 79.2
2023 0.243 95.6
2024 0.163 128.1
2025 0.150 187.2
2026 0.218 226.7
2027 0.272 247.5
2028 0.284 263.5
2029 0.267 280.0
2030 0.239 299.9

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

grafico orbita





wds22375%2B3923a.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
22375+3923 HDS3211 AB 2007 17 156 0.1 10.04 10.47 K7 M3 NOD 223729.87+392254.4
22375+3923 HDS3211 AB 2008 16 240 0.3 10.04 10.47 K7 M3 NOD 223729.87+392254.4
22375+3923 HDS3211 AB 2010 18 250 0.3 10.04 10.47 K7+M3 NO 223729.87+392254.4
22375+3923 HDS3211 AB 2011 20 269 0.3 10.04 10.47 K7+M3 NO 223729.90+392250.7

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