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Doubles in session


Current system
01418+4237
MCY 2


Nearby doubles
16' : 01431+4238
ROE 65

16' : 01420+4252
ROE 64

19' : 01405+4225
BJN 21

25' : 01423+4301
BJN 28

27' : 01414+4303
BJN 20

32' : 01442+4221
BJN 10

33' : 01430+4207
BJN 8

37' : 01391+4216
BJN 22

49' : 01438+4320
TDS1969

54' : 01404+4328
BVD 178

58' : 01469+4234
DUP 1

61' : 01462+4313
BJN 19

65' : 01472+4212
A 1523

67' : 01478+4237
BJN 23AB

68' : 01367+4315
TDS1928

72' : 01482+4251
TDS2010

73' : 01428+4348
BJN 1

73' : 01353+4250
COU1507

75' : 01450+4342
STF 154

77' : 01379+4340
ES 1496

79' : 01465+4335
A 1522

80' : 01390+4350
ES 1497AB

80' : 01485+4308
COU1662

82' : 01367+4336
FMR 179

82' : 01489+4215
POP 125

84' : 01365+4336
ES 1495



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.

01418+4237 MCY 2

 
 
01h 41m 47.14s +42° 36' 48.1" P.A. 27.00 sep 0.4 mag 5.00,12.80 Sp G1.5V+MV dist. 12.74 pc (41.56 l.y.)
 
 
Coord 2000 01418+4237 Discov num MCY   2 Comp Coord arcsec 2000 01 41 47.14 +42 36 48.1
Date first 1982 Date last 2015 Obs 8
Pa first 35 Pa last 26.7 P.A. Now (θ) 26.7°
Sep first 0.7 Sep last 0.41 Sep. Now (ρ) 0.41"
Mag pri 5.00 Mag sec 12.80 delta mag (ΔM) 7.8 Spectral class G1.5V+MV (yellow/red)
Pri motion ra +792 Sec motion ra
Pri motion dec -181 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda SAO 37434 HIP 7918 Tycho2 2823-02455-1
HD 10307 HR 483 BD BD+41 328 Distance 12.74
Distance ly 41.56
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.542y± 0.014 Periastron (T)2016.702y± 0.012 Semi-major axis (a)0.6104a± 0.0097
Eccentricity (e)0.4367± 0.002 Inclination (i)100.36°± 0.89 Longitude of periastron (ω)27.15°± 0.35
Node (Ω)32.25°± 0.85 Notesn ReferenceTrr2022
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 224.2 0.364
2001 218.7 0.543
2002 215.7 0.676
2003 213.6 0.767
2004 211.8 0.818
2005 210.2 0.836
2006 208.6 0.822
2007 206.9 0.780
2008 204.9 0.711
2009 202.4 0.618
2010 198.8 0.503
2011 192.8 0.369
2012 179.4 0.224
2013 130.9 0.114
2014 63.0 0.180
2015 43.2 0.306
2016 33.7 0.361
2017 22.9 0.259
2018 316.0 0.075
2019 230.8 0.248
2020 221.1 0.452
2021 217.1 0.610
2022 214.6 0.723
2023 212.7 0.795
2024 211.0 0.830
2025 209.5 0.833
2026 207.8 0.806
2027 206.0 0.752
2028 203.8 0.671
2029 200.9 0.568
2030 196.5 0.443
2031 188.3 0.303
2032 165.4 0.163
2033 91.3 0.122
2034 51.3 0.241
2035 38.4 0.346
2036 29.6 0.336
2037 11.2 0.167
2038 250.0 0.128
2039 224.9 0.346
2040 219.0 0.530
2041 215.9 0.667
2042 213.7 0.761
2043 211.9 0.815
2044 210.3 0.836
2045 208.7 0.824
2046 207.0 0.784
2047 205.0 0.718
2048 202.6 0.627
2049 199.2 0.513
2050 193.5 0.381


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds01418%2B4237d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic