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Doubles in session


Current system
00209+3259
AC 1
HD 1641


Nearby doubles
21' : 00198+3244
SEI 3

33' : 00235+3301
ES 313

39' : 00181+3240
HJ 619

43' : 00219+3218
LDS3157

45' : 00174+3303
ES 2274

50' : 00172+3317
J 869

57' : 00173+3332
ES 2210

60' : 00207+3159
CCA 1

63' : 00245+3216
UC 361

63' : 00253+3230
STF 29

68' : 00162+3331
COU 651

75' : 00175+3400
CRB 26

77' : 00149+3315
LDS3143

83' : 00238+3145
COU 546

87' : 00156+3355
TDS1366

95' : 00274+3214
UC 371

99' : 00199+3436
GYL 76

103' : 00179+3435
HDS 41

107' : 00183+3118
TDS 11

107' : 00187+3441
LDS3149

108' : 00126+3325
COU 650

113' : 00194+3108
HJ 620

115' : 00121+3327
GII 13

115' : 00121+3328
COU 649AB

119' : 00292+3354
HJ 624

123' : 00280+3422
CVR 323



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.

00209+3259 AC 1 (HD 1641)

 
 
00h 20m 54.10s +32° 58' 40.9" P.A. 289.00 sep 1.9 mag 7.27,8.26 Sp F5V dist. 67.93 pc (221.59 l.y.)
 
 
Coord 2000 00209+3259 Discov num AC    1 Comp Coord arcsec 2000 00 20 54.10 +32 58 40.9
Date first 1859 Date last 2020 Obs 134
Pa first 278 Pa last 289.2 P.A. Now (θ) 290.9°
Sep first 0.4 Sep last 1.874 Sep. Now (ρ) 1.911"
Mag pri 7.27 Mag sec 8.26 delta mag (ΔM) 0.99 Spectral class F5V (yellow-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -065 Sec motion dec -065
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1641 Constellation Andromeda SAO 53827 HIP 1669
Tycho2 2265-01113-1 Gaia DR2 2863371030285831680 HD 1641 GC 417
ADS 285 BD BD+32 48 Distance 67.93 Distance ly 221.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)525y Periastron (T)1820.1y Semi-major axis (a)1.234a
Eccentricity (e)0.6 Inclination (i)84° Longitude of periastron (ω)26.8°
Node (Ω)107.5° Notes ReferenceZir2015a
Equinox2000 Last observation2012 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 288.4 1.812
2001 288.4 1.815
2002 288.4 1.817
2003 288.4 1.819
2004 288.5 1.821
2005 288.5 1.823
2006 288.5 1.825
2007 288.5 1.827
2008 288.6 1.829
2009 288.6 1.831
2010 288.6 1.832
2011 288.7 1.834
2012 288.7 1.835
2013 288.7 1.837
2014 288.7 1.838
2015 288.8 1.839
2016 288.8 1.840
2017 288.8 1.842
2018 288.8 1.843
2019 288.9 1.844
2020 288.9 1.844
2021 288.9 1.845
2022 288.9 1.846
2023 289.0 1.847
2024 289.0 1.847
2025 289.0 1.848
2026 289.0 1.848
2027 289.1 1.849
2028 289.1 1.849
2029 289.1 1.849
2030 289.1 1.850
2031 289.2 1.850
2032 289.2 1.850
2033 289.2 1.850
2034 289.2 1.850
2035 289.3 1.849
2036 289.3 1.849
2037 289.3 1.849
2038 289.3 1.848
2039 289.4 1.848
2040 289.4 1.847
2041 289.4 1.847
2042 289.4 1.846
2043 289.5 1.846
2044 289.5 1.845
2045 289.5 1.844
2046 289.5 1.843
2047 289.6 1.842
2048 289.6 1.841
2049 289.6 1.840
2050 289.7 1.839


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00209%2B3259a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic