stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
01500-0408
A 2602


Nearby doubles
26' : 01485-0357
NSC 7

41' : 01484-0334
LDS5352

51' : 01506-0457
RST4187

57' : 01528-0447
RST4188

58' : 01479-0320
STF 166

61' : 01464-0340
ITF 120

62' : 01463-0343
ITF 121

82' : 01476-0255
WIS 45

84' : 01505-0243
LDS5354

92' : 01479-0242
LDS5351

93' : 01560-0346
LDS5357

100' : 01450-0512
LDS5347

102' : 01559-0317
HDS 263

108' : 01564-0457
GWP 239

109' : 01560-0510
GWP 235

109' : 01562-0310
UC 648

117' : 01548-0540
ITF 103

117' : 01439-0254
LDS5343

118' : 01464-0224
STF 160AB

121' : 01562-0527
CVR 405

122' : 01581-0418
HDS 265

124' : 01456-0224
J 1448AB

127' : 01532-0605
CVR1086

129' : 01435-0530
CVR1080

129' : 01546-0218
HDO 55

133' : 01577-0514
NSN 65



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.

01500-0408 A 2602

 
 
01h 50m 02.13s -04° 07' 34.3" P.A. 182.00 sep 0.8 mag 10.40,10.40 Sp K2+K2 dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000 01500-0408 Discov num A  2602 Comp Coord arcsec 2000 01 50 02.13 -04 07 34.3
Date first 1913 Date last 2016 Obs 20
Pa first 338 Pa last 182 P.A. Now (θ) 182°
Sep first 0.3 Sep last 0.807 Sep. Now (ρ) 0.807"
Mag pri 10.40 Mag sec 10.40 delta mag (ΔM) 0 Spectral class K2+K2 (yellow-orange/yellow-orange)
Pri motion ra +018 Sec motion ra
Pri motion dec -045 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus SAO 129524 HIP 8534 Tycho2 4688-01077-1
Gaia DR2 2504095817674014848 GC 2225 ADS 1458 CD CD-39 556
CP CP-39 151 Distance 153.14 Distance ly 499.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)1606y± 150 Periastron (T)1976.2y± 0.2 Semi-major axis (a)2.455a± 0.15
Eccentricity (e)0.868± 0.008 Inclination (i)82.4°± 0.5 Longitude of periastron (ω)45.3°± 0.5
Node (Ω)4.5°± 0.5 Notesn ReferenceDoc2016i
Equinox2000 Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 177.6 0.463
2001 177.9 0.487
2002 178.3 0.512
2003 178.6 0.535
2004 178.9 0.559
2005 179.2 0.582
2006 179.4 0.605
2007 179.7 0.627
2008 179.9 0.649
2009 180.1 0.671
2010 180.3 0.692
2011 180.5 0.713
2012 180.6 0.734
2013 180.8 0.754
2014 181.0 0.775
2015 181.1 0.795
2016 181.2 0.814
2017 181.4 0.834
2018 181.5 0.853
2019 181.6 0.872
2020 181.7 0.890
2021 181.8 0.909
2022 181.9 0.927
2023 182.0 0.945
2024 182.1 0.963
2025 182.2 0.980
2026 182.3 0.997
2027 182.4 1.015
2028 182.5 1.032
2029 182.6 1.048
2030 182.7 1.065
2031 182.7 1.081
2032 182.8 1.097
2033 182.9 1.113
2034 183.0 1.129
2035 183.0 1.145
2036 183.1 1.161
2037 183.2 1.176
2038 183.2 1.191
2039 183.3 1.206
2040 183.3 1.221
2041 183.4 1.236
2042 183.5 1.251
2043 183.5 1.265
2044 183.6 1.279
2045 183.6 1.294
2046 183.7 1.308
2047 183.7 1.322
2048 183.8 1.335
2049 183.8 1.349
2050 183.9 1.363


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds01500-0408a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic