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Current system
04496+0212
A 2621
HD 30636


Nearby doubles
16' : 04496+0157
BAL1277

28' : 04514+0210
LDS3622

42' : 04510+0136
BAL1278

55' : 04487+0305
BAL1651

55' : 04465+0242
A 2507

56' : 04479+0302
GWP 617

67' : 04518+0115
STF 609

71' : 04505+0103
A 2622

74' : 04526+0114
BAL1279

74' : 04532+0302
GWP 626

75' : 04521+0316
BAL2127

77' : 04510-0058
BAL 292

78' : 04536+0259
BAL1652

78' : 04444+0208
BAL1276

80' : 04475-0058
RST4773

81' : 04453+0123
UC 1208

82' : 04441+0205
HL 1AB

84' : 04520-0057
RST4774

89' : 04438+0155
A 2620AB

90' : 04442+0253
J 402

91' : 04547+0258
BAL1653

91' : 04463+0329
LDS3617

96' : 04522+0045
RST5209

99' : 04532-0050
GWP 627

100' : 04467-0042
BAL 663AB

100' : 04455+0331
BAL2125



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.

04496+0212 A 2621 (HD 30636)

 
 
04h 49m 33.19s +02° 12' 06.4" P.A. 164.00 sep 0.1 mag 8.69,8.35 Sp A0 dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000 04496+0212 Discov num A  2621 Comp Coord arcsec 2000 04 49 33.19 +02 12 06.4
Date first 1913 Date last 2021 Obs 36
Pa first 339 Pa last 163.5 P.A. Now (θ) 163.5°
Sep first 0.2 Sep last 0.108 Sep. Now (ρ) 0.108"
Mag pri 8.69 Mag sec 8.35 delta mag (ΔM) 0.34 Spectral class A0 (white)
Pri motion ra +014 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 30636 Constellation Orion SAO 112104 HIP 22428
Tycho2 0088-00131-1 Gaia DR2 3232627755474275456 HD 30636 ADS 3465
BD BD+01 823 Distance 275.48 Distance ly 898.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)310.47y Periastron (T)1699.04y Semi-major axis (a)0.212a
Eccentricity (e)0.372 Inclination (i)45.8° Longitude of periastron (ω)44.2°
Node (Ω)90° Notes ReferenceUSN1999b
Equinox2000 Last observation1993 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 103.3 0.133
2001 105.2 0.131
2002 107.2 0.130
2003 109.2 0.128
2004 111.3 0.126
2005 113.5 0.124
2006 115.7 0.122
2007 118.0 0.120
2008 120.4 0.118
2009 122.9 0.116
2010 125.4 0.114
2011 128.0 0.113
2012 130.7 0.111
2013 133.5 0.109
2014 136.4 0.107
2015 139.3 0.106
2016 142.4 0.105
2017 145.5 0.103
2018 148.7 0.102
2019 152.0 0.101
2020 155.3 0.100
2021 158.6 0.100
2022 162.0 0.100
2023 165.5 0.099
2024 168.9 0.099
2025 172.3 0.100
2026 175.6 0.100
2027 179.0 0.101
2028 182.3 0.102
2029 185.5 0.103
2030 188.6 0.104
2031 191.7 0.106
2032 194.7 0.107
2033 197.6 0.109
2034 200.4 0.111
2035 203.0 0.113
2036 205.6 0.115
2037 208.1 0.118
2038 210.5 0.120
2039 212.8 0.123
2040 215.0 0.125
2041 217.1 0.128
2042 219.1 0.131
2043 221.1 0.133
2044 222.9 0.136
2045 224.7 0.139
2046 226.4 0.142
2047 228.1 0.145
2048 229.6 0.147
2049 231.2 0.150
2050 232.6 0.153


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds04496%2B0212a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic