stampa
Login

Keep tracks of you favourite doubles.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
02589+2137
BU 525
HD 18484


Nearby doubles
18' : 02580+2124
J 233

18' : 02592+2120
STF 333AB

31' : 03009+2139
HU 431

36' : 02563+2124
J 232

54' : 02551+2136
DEA 42

54' : 02558+2106
LDS3438

59' : 02581+2040
SOZ 8

65' : 02584+2033
CVN 9

68' : 02582+2030
CVN 8

70' : 02548+2058
LIT 8

73' : 02551+2048
OCC 749

76' : 03043+2128
OCC 751

76' : 02576+2024
LDS3443

79' : 03044+2118
JNN 23

85' : 02597+2013
J 234

91' : 03053+2131
RAO 638

94' : 02595+2004
OCC1054

97' : 02566+2006
CVN 7

102' : 02561+2003
REP 1AB

102' : 02516+2130
TDS2375

105' : 02554+2005
CVN 5

108' : 03035+2304
HDS 389AB

111' : 02585+2328
COU 679

115' : 03013+1947
SLW 144

117' : 02596+2332
POU 233

119' : 03022+2326
COU 681



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.

02589+2137 BU 525 (HD 18484)

 
 
02h 58m 53.11s +21° 37' 03.9" P.A. 275.00 sep 0.5 mag 7.47,7.45 Sp A3 dist. 151.52 pc (494.26 l.y.)
 
 
Coord 2000 02589+2137 Discov num BU  525 Comp Coord arcsec 2000 02 58 53.11 +21 37 03.9
Date first 1877 Date last 2022 Obs 194
Pa first 105 Pa last 275.2 P.A. Now (θ) 275.2°
Sep first 0.6 Sep last 0.544 Sep. Now (ρ) 0.544"
Mag pri 7.47 Mag sec 7.45 delta mag (ΔM) 0.02 Spectral class A3 (white)
Pri motion ra +044 Sec motion ra +044
Pri motion dec -019 Sec motion dec -019
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 18484 Constellation Aries SAO 75671 HIP 13892
Tycho2 1230-00912-1 HD 18484 GC 3577 ADS 2253
BD BD+21 397 Distance 151.52 Distance ly 494.26
 
 
ORBITAL ELEMENTS
 
 
Period (P)505y± 126 Periastron (T)1947.6y± 33.9 Semi-major axis (a)0.647a± 0.152
Eccentricity (e)0.256± 0.123 Inclination (i)62.3°± 5.3 Longitude of periastron (ω)303.8°± 41
Node (Ω)265.2°± 3.6 Notes ReferenceRbr2018
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 267.2 0.536
2001 267.6 0.537
2002 268.1 0.538
2003 268.6 0.539
2004 269.0 0.540
2005 269.5 0.541
2006 270.0 0.542
2007 270.4 0.542
2008 270.9 0.543
2009 271.3 0.543
2010 271.8 0.543
2011 272.2 0.544
2012 272.7 0.544
2013 273.1 0.544
2014 273.6 0.544
2015 274.0 0.544
2016 274.5 0.543
2017 274.9 0.543
2018 275.4 0.542
2019 275.9 0.542
2020 276.3 0.541
2021 276.8 0.541
2022 277.2 0.540
2023 277.7 0.539
2024 278.2 0.538
2025 278.6 0.537
2026 279.1 0.536
2027 279.6 0.535
2028 280.0 0.534
2029 280.5 0.532
2030 281.0 0.531
2031 281.4 0.529
2032 281.9 0.528
2033 282.4 0.526
2034 282.9 0.525
2035 283.4 0.523
2036 283.9 0.521
2037 284.4 0.520
2038 284.9 0.518
2039 285.4 0.516
2040 285.9 0.514
2041 286.4 0.512
2042 286.9 0.510
2043 287.4 0.508
2044 287.9 0.505
2045 288.5 0.503
2046 289.0 0.501
2047 289.5 0.499
2048 290.1 0.496
2049 290.6 0.494
2050 291.2 0.492


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds02589%2B2137f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic