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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



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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 GC 2050 BD BD+41 328
Distance 12.74 Distance ly 41.56
 
 
ORBITAL ELEMENTS
 
 
Period (P)18.12y Periastron (T)1993.63y Semi-major axis (a)0.631a
Eccentricity (e)0.434 Inclination (i)98.8° Longitude of periastron (ω)144.3°
Node (Ω)205° Notesn ReferenceUSN2017b
Equinox2000 Last observation2002 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 219.9 0.436
2001 215.6 0.569
2002 212.8 0.679
2003 210.7 0.762
2004 208.9 0.815
2005 207.3 0.833
2006 205.7 0.813
2007 204.0 0.749
2008 201.7 0.632
2009 198.0 0.454
2010 187.0 0.213
2011 55.7 0.111
2012 28.5 0.335
2013 20.7 0.383
2014 11.2 0.287
2015 345.4 0.148
2016 263.8 0.127
2017 230.4 0.268
2018 220.7 0.418
2019 216.0 0.554
2020 213.1 0.667
2021 210.9 0.754
2022 209.1 0.810
2023 207.5 0.833
2024 205.9 0.818
2025 204.2 0.759
2026 202.0 0.649
2027 198.6 0.479
2028 189.5 0.244
2029 69.8 0.084
2030 29.7 0.316
2031 21.6 0.387
2032 12.7 0.303
2033 350.8 0.164
2034 272.6 0.117
2035 232.3 0.249
2036 221.4 0.401
2037 216.4 0.539
2038 213.4 0.655
2039 211.1 0.745
2040 209.3 0.805
2041 207.7 0.832
2042 206.1 0.822
2043 204.4 0.769
2044 202.3 0.665
2045 199.1 0.503
2046 191.5 0.276
2047 94.1 0.066
2048 31.1 0.294
2049 22.5 0.388
2050 14.1 0.318


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds01418%2B4237a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic