01297+2250 A 1910 AB

 
 
01h 29m 41.17s +22 49' 34.4" P.A. 176.00 sep 0.2 mag 7.30,7.90 Sp A2V dist. 164.2 pc (535.62 l.y.)
 
 
Coord 2000 01297+2250 Discov num A  1910 Comp AB Coord arcsec 2000 01 29 41.17 +22 49 34.4
Date first 1908 Date last 2019 Obs 116
Pa first 127 Pa last 176.2 P.A. Now (θ) 168°
Sep first 0.1 Sep last 0.19 Sep. Now (ρ) 0.229"
Mag pri 7.30 Mag sec 7.90 delta mag (ΔM) 0.6 Spectral class A2V (white)
Pri motion ra +010 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
01297+2250 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 74751 01 29 41 +22 49 34 A 1910 AB 2019 116 176 0.2 7.30 7.90 0.60 Y <===
Show 74751 01 29 41 +22 49 34 A 1910 AB,C 2013 7 352 18.8 6.77 12.71 5.94
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pisces SAO 74751 HIP 6966 Tycho2 1749-01315-1
Gaia DR2 290030074823619200 HD 9071 GC 1801 ADS 1183
BD BD+22 236 Distance 164.2 Distance ly 535.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)70.7y± 1.2 Periastron (T)1985.037y± 0.072 Semi-major axis (a)0.1904a± 0.002
Eccentricity (e)0.7802± 0.0054 Inclination (i)119.7°± 1.1 Longitude of periastron (ω)119.6°± 1.2
Node (Ω)129.8°± 1 Notesn ReferenceHrt1996a
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 209.9 0.128
2001 206.5 0.134
2002 203.5 0.139
2003 200.6 0.145
2004 198.0 0.150
2005 195.5 0.156
2006 193.3 0.161
2007 191.1 0.166
2008 189.1 0.171
2009 187.2 0.176
2010 185.4 0.181
2011 183.7 0.186
2012 182.1 0.190
2013 180.6 0.195
2014 179.1 0.199
2015 177.7 0.203
2016 176.3 0.207
2017 175.0 0.211
2018 173.8 0.215
2019 172.5 0.218
2020 171.3 0.221
2021 170.2 0.224
2022 169.1 0.227
2023 168.0 0.229
2024 166.9 0.231
2025 165.8 0.233
2026 164.8 0.235
2027 163.7 0.236
2028 162.7 0.238
2029 161.7 0.238
2030 160.7 0.239


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



 
 


wds01297%2B2250a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic