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Doubles in session


Current system
15002+2129
HU 907


Nearby doubles
28' : 15019+2141
GRV 896

36' : 14576+2121
SHN 194

41' : 15011+2051
TDS9375

60' : 14570+2049
SLW1045

61' : 14575+2042
MLR 532

72' : 14589+2238
HU 906

72' : 14569+2034
HU 648

89' : 15064+2145
UC 2923

90' : 15047+2232
SLW1057

97' : 14560+2246
KU 105

97' : 15038+2006
HU 744

98' : 14593+2306
CVR 771

99' : 15008+2306
LDS4521

103' : 14533+2204
TDS9335

111' : 14540+2019
KPP1526

114' : 14546+2252
COU 408AB

116' : 15045+1950
HU 745

116' : 14555+2305
UC 2873

119' : 14556+2308
POU3178

119' : 14581+1934
GWP2475AB

123' : 14549+2307
FMR 116

124' : 15089+2152
RAO 328

133' : 14588+1918
GWP2479

134' : 14521+2017
HO 389

138' : 14574+2341
ZHN 27

139' : 14551+2323
POU3177



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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15002+2129 HU 907

 
 
15h 00m 10.00s +21° 28' 48.8" P.A. 313.00 sep 0.2 mag 10.19,10.20 Sp G0 dist. 158.73 pc (517.78 l.y.)
 
 
Coord 2000 15002+2129 Discov num HU  907 Comp Coord arcsec 2000 15 00 10.00 +21 28 48.8
Date first 1904 Date last 2022 Obs 24
Pa first 155 Pa last 312.7 P.A. Now (θ) 284.3°
Sep first 0.3 Sep last 0.175 Sep. Now (ρ) 0.19"
Mag pri 10.19 Mag sec 10.20 delta mag (ΔM) 0.01 Spectral class G0 (yellow)
Pri motion ra -025 Sec motion ra
Pri motion dec -037 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Bootes SAO 83610 HIP 73411 Gaia DR2 1261536627612991360
ADS 9473 BD BD+22 2769 Distance 158.73 Distance ly 517.78
 
 
ORBITAL ELEMENTS
 
 
Period (P)173.2y± 16.8 Periastron (T)2038.66y± 4.94 Semi-major axis (a)0.259a± 0.027
Eccentricity (e)0.474± 0.124 Inclination (i)47.1°± 8.2 Longitude of periastron (ω)238.8°± 10.4
Node (Ω)146.5°± 4.7 Notes ReferenceLin2022b
Equinox Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 260.6 0.210
2001 262.5 0.208
2002 264.5 0.207
2003 266.4 0.206
2004 268.4 0.205
2005 270.4 0.204
2006 272.4 0.203
2007 274.4 0.202
2008 276.5 0.201
2009 278.6 0.200
2010 280.7 0.199
2011 282.8 0.198
2012 284.9 0.197
2013 287.1 0.196
2014 289.2 0.195
2015 291.4 0.194
2016 293.7 0.193
2017 295.9 0.192
2018 298.2 0.190
2019 300.6 0.188
2020 302.9 0.187
2021 305.4 0.185
2022 307.8 0.183
2023 310.4 0.180
2024 313.0 0.178
2025 315.7 0.175
2026 318.5 0.171
2027 321.4 0.168
2028 324.4 0.164
2029 327.6 0.160
2030 331.0 0.155
2031 334.6 0.150
2032 338.4 0.145
2033 342.6 0.139
2034 347.1 0.133
2035 352.0 0.127
2036 357.5 0.121
2037 3.5 0.115
2038 10.1 0.110
2039 17.4 0.105
2040 25.4 0.101
2041 33.9 0.098
2042 42.8 0.096
2043 51.8 0.097
2044 60.6 0.098
2045 69.0 0.101
2046 76.8 0.106
2047 83.9 0.112
2048 90.2 0.118
2049 95.9 0.125
2050 100.9 0.133


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds15002%2B2129c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic