22139+3943 MCA 70 Aa,Ac

 
 
22h 13m 52.73s +39° 42' 53.7" P.A. 43.00 sep 0.2 mag 4.69,8.15 Sp K3III dist. 147.93 pc (482.55 l.y.)
 
 
Coord 2000 22139+3943 Discov num MCA  70 Comp Aa,Ac Coord arcsec 2000 22 13 52.73 +39 42 53.7
Date first 1980 Date last 2018 Obs 25
Pa first 7 Pa last 43.4 P.A. Now (θ) 43.4°
Sep first 0.5 Sep last 0.162 Sep. Now (ρ) 0.162"
Mag pri 4.69 Mag sec 8.15 delta mag (ΔM) 3.46 Spectral class K3III (yellow-orange)
Pri motion ra +039 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22139+3943 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 72155 22 13 53 +39 42 54 BNU 8 Aa,Ab 2005 3 170 0.2 4.69
Show 72155 22 13 53 +39 42 54 MCA 70 Aa,Ac 2018 25 43 0.2 4.69 8.15 3.46 Y <===
Show NSV14076 72155 22 13 53 +39 42 54 HJ 1746 AB 2015 14 190 30.5 4.65 10.60 5.95
Show 72155 22 13 53 +39 42 54 HJ 1746 AC 2015 9 192 72.5 4.65 12.32 7.67
Show 72155 22 13 53 +39 42 54 WAL 141 AD 2015 8 71 194.6 4.65 10.67 6.02
Show 72155 22 13 53 +39 42 54 FYM 122 AE 2015 5 321 37.7 4.65 13.40 8.75
Show 72155 22 13 53 +39 42 54 FYM 122 AF 2015 4 247 36.8 4.65 13.70 9.05
Show 72155 22 13 53 +39 42 54 FYM 122 AG 2015 4 213 81.8 4.65 15.30 10.65
Show 72155 22 13 53 +39 42 54 FYM 122 AH 2015 4 224 68.2 4.65 14.70 10.05
Show 72155 22 13 53 +39 42 54 FYM 122 AI 2015 3 303 46.5 4.65 14.70 10.05
11-fold system
9 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV14076 Constellation Lacerta SAO 72155 HIP 109754
Tycho2 3203-02402-1 Gaia DR2 1955662200880678272 HD 211073 HR 8485
ADS 15758 BD BD+38 4711 FK5 1583 Distance 147.93
Distance ly 482.55
 
 
ORBITAL ELEMENTS
 
 
Period (P)125y Periastron (T)2028.8y Semi-major axis (a)0.324a
Eccentricity (e)0.82 Inclination (i)54.6° Longitude of periastron (ω)26°
Node (Ω)166.1° Notesn ReferenceTok2019e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 16.7 0.380
2001 17.4 0.371
2002 18.1 0.361
2003 18.9 0.352
2004 19.8 0.342
2005 20.6 0.331
2006 21.6 0.321
2007 22.6 0.310
2008 23.7 0.299
2009 24.8 0.287
2010 26.1 0.276
2011 27.5 0.264
2012 29.0 0.251
2013 30.7 0.239
2014 32.5 0.226
2015 34.6 0.212
2016 37.0 0.199
2017 39.7 0.185
2018 42.9 0.171
2019 46.7 0.156
2020 51.2 0.142
2021 56.7 0.128
2022 63.6 0.114
2023 72.5 0.100
2024 83.8 0.088
2025 98.2 0.079
2026 115.9 0.072
2027 136.3 0.068
2028 159.1 0.064
2029 189.0 0.052
2030 237.8 0.043


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



 
 


wds22139%2B3943a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic