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Doubles in session


Current system
03466+2255
RDR 2 AB


Nearby doubles
3' : 03468+2255
BOV 16

9' : 03461+2259
LDS6109

15' : 03477+2256
BOV 20

18' : 03469+2313
TDS2653

18' : 03458+2309
STF 444AB

20' : 03457+2242
HWE 8

25' : 03454+2312
UC 53

26' : 03450+2243
STF 442

27' : 03461+2321
BOV 13

30' : 03482+2315
LDS6114

30' : 03482+2235
LOH 1

35' : 03454+2326
RAO 110

36' : 03487+2316
LDS5434AB

36' : 03474+2221
SKF2338

37' : 03490+2312
BOV 22

39' : 03483+2325
HL 25AB

40' : 03483+2223
BU 1184

41' : 03445+2323
POU 308

43' : 03466+2337
OCC 297

43' : 03439+2313
TRU 1

44' : 03476+2337
HL 24

45' : 03496+2240
GRV 194

45' : 03435+2244
STF 438AB

47' : 03450+2336
LDS6106

48' : 03443+2331
OCC9082

48' : 03471+2343
OCC9083



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.

03466+2255 RDR 2 AB

 
 
03h 46m 38.39s +22° 55' 11.2" P.A. 227.00 sep 2.6 mag 9.43,16.00 Sp F5V
 
 
Coord 2000 03466+2255 Discov num RDR   2 Comp AB Coord arcsec 2000 03 46 38.39 +22 55 11.2
Date first 2006 Date last 2018 Obs 11
Pa first 229 Pa last 227.1 P.A. Now (θ) 227.5°
Sep first 2.6 Sep last 2.648 Sep. Now (ρ) 2.646"
Mag pri 9.43 Mag sec 16.00 delta mag (ΔM) 6.57 Spectral class F5V (yellow-white)
Pri motion ra +021 Sec motion ra
Pri motion dec -043 Sec motion dec
Notes N O W (See Notes, Orbital solution, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus SAO 76178 Tycho2 1800-01574-1 HD 23514
 
 
ORBITAL ELEMENTS
 
 
Period (P)7010y± 3900 Periastron (T)7207.3986y± 3635.9 Semi-major axis (a)3.0066a± 1.1536
Eccentricity (e)0.29± 0.28 Inclination (i)140°± 17 Longitude of periastron (ω)106°± 74
Node (Ω)259°± 100 Notesn ReferenceBwl2020
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 37.0 2.860
2001 36.9 2.860
2002 36.9 2.860
2003 36.8 2.860
2004 36.8 2.861
2005 36.7 2.861
2006 36.7 2.861
2007 36.7 2.861
2008 36.6 2.861
2009 36.6 2.861
2010 36.5 2.861
2011 36.5 2.861
2012 36.5 2.861
2013 36.4 2.861
2014 36.4 2.861
2015 36.3 2.861
2016 36.3 2.861
2017 36.3 2.861
2018 36.2 2.861
2019 36.2 2.861
2020 36.1 2.861
2021 36.1 2.861
2022 36.0 2.861
2023 36.0 2.861
2024 36.0 2.861
2025 35.9 2.861
2026 35.9 2.861
2027 35.8 2.861
2028 35.8 2.861
2029 35.8 2.861
2030 35.7 2.861
2031 35.7 2.861
2032 35.6 2.861
2033 35.6 2.862
2034 35.5 2.862
2035 35.5 2.862
2036 35.5 2.862
2037 35.4 2.862
2038 35.4 2.862
2039 35.3 2.862
2040 35.3 2.862
2041 35.3 2.862
2042 35.2 2.862
2043 35.2 2.862
2044 35.1 2.862
2045 35.1 2.862
2046 35.0 2.862
2047 35.0 2.862
2048 35.0 2.862
2049 34.9 2.862
2050 34.9 2.862


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds03466%2B2255a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic