15273+0942 A 1120 (HD 137723)

 
 
15h 27m 18.03s +09° 42' 01.1" P.A. 337.00 sep 0.2 mag 8.50,9.10 Sp G0 dist. 96.9 pc (316.09 l.y.)
 
 
Coord 2000 15273+0942 Discov num A  1120 Comp Coord arcsec 2000 15 27 18.03 +09 42 01.1
Date first 1905 Date last 2022 Obs 53
Pa first 330 Pa last 337.2 P.A. Now (θ) 342.3°
Sep first 0.3 Sep last 0.245 Sep. Now (ρ) 0.208"
Mag pri 8.50 Mag sec 9.10 delta mag (ΔM) 0.6 Spectral class G0 (yellow)
Pri motion ra +039 Sec motion ra
Pri motion dec -078 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 137723 Constellation Serpens SAO 121010 HIP 75645
Tycho2 0932-00479-1 Gaia DR2 1165640384535557632 HD 137723 GC 20769
ADS 9643 BD BD+10 2854 Distance 96.9 Distance ly 316.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)51.8y Periastron (T)1931.4y Semi-major axis (a)0.174a
Eccentricity (e)0.723 Inclination (i)67° Longitude of periastron (ω)340°
Node (Ω)156.2° Notesn ReferenceMsn2023
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 320.5 0.231
2001 321.6 0.240
2002 322.5 0.248
2003 323.4 0.255
2004 324.3 0.262
2005 325.1 0.268
2006 325.9 0.273
2007 326.6 0.278
2008 327.3 0.281
2009 328.0 0.284
2010 328.7 0.286
2011 329.4 0.288
2012 330.1 0.288
2013 330.8 0.288
2014 331.5 0.287
2015 332.2 0.285
2016 332.9 0.282
2017 333.6 0.278
2018 334.3 0.274
2019 335.1 0.268
2020 335.9 0.261
2021 336.8 0.254
2022 337.7 0.245
2023 338.7 0.235
2024 339.8 0.223
2025 341.0 0.210
2026 342.4 0.196
2027 344.0 0.180
2028 345.9 0.162
2029 348.4 0.142
2030 351.7 0.119
2031 356.8 0.094
2032 6.0 0.066
2033 29.5 0.037
2034 101.3 0.027
2035 148.1 0.046
2036 171.3 0.050
2037 197.8 0.043
2038 232.0 0.041
2039 261.5 0.049
2040 279.8 0.064
2041 290.8 0.081
2042 297.9 0.098
2043 302.9 0.116
2044 306.7 0.132
2045 309.6 0.147
2046 311.9 0.162
2047 313.9 0.176
2048 315.6 0.189
2049 317.1 0.201
2050 318.5 0.212


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds15273%2B0942c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic