stampa
Login

Enhance your experience with Stelle Doppie.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
10520+1606
A 2373
HD 94120


Nearby doubles
11' : 10526+1611
GWP1480

15' : 10513+1616
GWP1474

15' : 10510+1603
A 2372

44' : 10496+1630
A 2370

45' : 10520+1521
LDS4026

58' : 10483+1624
UC 160

67' : 10539+1706
HDS1559

69' : 10511+1458
GWP1473

72' : 10495+1504
LSC 126

74' : 10494+1709
BU 596AB

80' : 10571+1638
SLW 544

86' : 10462+1554
CVR 573

89' : 10480+1713
UC 1994

106' : 10485+1434
CVR1315

114' : 10585+1711
A 2375

115' : 10566+1739
STF1490

124' : 10498+1805
A 2371

131' : 10477+1412
CVR1314

131' : 10430+1552
CVR1308

132' : 10543+1358
CVR1323

136' : 10479+1807
LAS 29

143' : 10440+1444
UC 159

144' : 10421+1617
A 2483AB

146' : 11020+1631
GWP1525

146' : 11004+1445
GOM 12

150' : 11024+1631
LDS 917



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

10520+1606 A 2373 (HD 94120)

 
 
10h 52m 02.94s +16° 05' 44.0" P.A. 221.00 sep 0.2 mag 8.80,8.80 Sp F5 dist. 387.6 pc (1264.35 l.y.)
 
 
Coord 2000 10520+1606 Discov num A  2373 Comp Coord arcsec 2000 10 52 02.94 +16 05 44.0
Date first 1911 Date last 2015 Obs 37
Pa first 223 Pa last 221 P.A. Now (θ) 208.5° (calc)
Sep first 0.2 Sep last 0.176 Sep. Now (ρ) 0.224" (calc)
Mag pri 8.80 Mag sec 8.80 delta mag (ΔM) 0 Spectral class F5 (yellow-white)
Pri motion ra -016 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 94120 Constellation Leo SAO 99331 HIP 53124
Tycho2 1429-00210-1 Gaia DR2 3981629163806653312 HD 94120 ADS 7952
BD BD+16 2180 Distance 387.6 Distance ly 1264.35
 
 
ORBITAL ELEMENTS
 
 
Period (P)100.26y Periastron (T)1980.77y Semi-major axis (a)0.172a
Eccentricity (e)0.816 Inclination (i)135.5° Longitude of periastron (ω)101.6°
Node (Ω)130.3° Notesn ReferenceUSN2007a
Equinox2000 Last observation1993 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 237.6 0.164
2001 236.0 0.168
2002 234.5 0.172
2003 233.0 0.175
2004 231.6 0.179
2005 230.3 0.182
2006 229.0 0.185
2007 227.7 0.188
2008 226.5 0.191
2009 225.3 0.193
2010 224.1 0.196
2011 223.0 0.198
2012 221.9 0.201
2013 220.8 0.203
2014 219.8 0.205
2015 218.7 0.207
2016 217.7 0.209
2017 216.8 0.211
2018 215.8 0.213
2019 214.8 0.215
2020 213.9 0.216
2021 212.9 0.218
2022 212.0 0.219
2023 211.1 0.220
2024 210.2 0.222
2025 209.3 0.223
2026 208.5 0.224
2027 207.6 0.225
2028 206.7 0.225
2029 205.9 0.226
2030 205.0 0.227
2031 204.2 0.227
2032 203.3 0.228
2033 202.5 0.228
2034 201.6 0.228
2035 200.8 0.228
2036 199.9 0.228
2037 199.1 0.228
2038 198.3 0.228
2039 197.4 0.227
2040 196.6 0.227
2041 195.7 0.227
2042 194.9 0.226
2043 194.0 0.225
2044 193.1 0.224
2045 192.3 0.223
2046 191.4 0.222
2047 190.5 0.221
2048 189.6 0.219
2049 188.7 0.218
2050 187.7 0.216


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds10520%2B1606a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic