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Current system
00206+1219
BU 1015


Nearby doubles
3' : 00208+1219
UC 353

37' : 00182+1209
GWP 38

41' : 00232+1233
NSN 505

45' : 00217+1301
BPM 9

46' : 00236+1229
J 583

46' : 00177+1217
LDS1076

56' : 00170+1233
HJ 2

59' : 00168+1202
HEI 300

59' : 00246+1205
CVR 318

61' : 00176+1300
HJ 3

69' : 00222+1114
HEI 301

71' : 00172+1308
FOX 1

73' : 00218+1329
ROE 83

75' : 00224+1329
STF 27

81' : 00209+1059
BU 1093

84' : 00244+1322
BPM 11

85' : 00244+1115
UC 359

95' : 00167+1334
TDS1377

97' : 00141+1207
A 1802

107' : 00251+1055
KPP4414

115' : 00253+1047
SHN 50

115' : 00132+1144
HDS 30

115' : 00249+1355
GWP 45

117' : 00248+1358
HEI 199

118' : 00137+1120
LDS 862

122' : 00200+1419
CHE 5AB



Selections
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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.

00206+1219 BU 1015

 
 
00h 20m 38.21s +12° 18' 39.8" P.A. 112.60 sep 0.5 mag 8.39,9.67 Sp F5 dist. 107.41 pc (350.37 l.y.)
 
 
Coord 2000
00206+1219
 Discov num
BU 1015
 Comp
Coord arcsec 2000
00 20 38.21 +12 18 39.8
Date first
1888
 Date last
2017
 Obs
104
Pa first
115
 Pa last
110
 P.A. Now (θ)
112.6°
Sep first
0.6
 Sep last
0.5
 Sep. Now (ρ)
0.51"
Mag pri
8.39
 Mag sec
9.67
 delta mag (ΔM)
1.28
 Spectral class
F5 (yellow-white)
Pri motion ra
-027
 Sec motion ra
-027
Pri motion dec
+007
 Sec motion dec
+007
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.8
 Precise sep
0.51
 Constellation
Pisces
 SAO
91856
HIP
1646
 Tycho2
0599-00185-1
 Gaia DR2
2755335495931879040
 HD
1634
ADS
281
 BD
BD+11 41
 Distance
107.41
 Distance ly
350.37
last precise pa
109.8
 last precise sep
0.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)137y Periastron (T)1961.65y Semi-major axis (a)0.333a
Eccentricity (e)0.557 Inclination (i)35° Longitude of periastron (ω)10°
Node (Ω)291.2° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.434 94.5
2001 0.440 95.5
2002 0.446 96.5
2003 0.452 97.5
2004 0.457 98.5
2005 0.462 99.4
2006 0.467 100.3
2007 0.471 101.2
2008 0.475 102.1
2009 0.480 103.0
2010 0.483 103.8
2011 0.487 104.7
2012 0.491 105.5
2013 0.494 106.3
2014 0.497 107.1
2015 0.499 107.9
2016 0.502 108.7
2017 0.504 109.5
2018 0.507 110.3
2019 0.508 111.1
2020 0.510 111.8
2021 0.512 112.6
2022 0.513 113.3
2023 0.514 114.1
2024 0.515 114.8
2025 0.516 115.6
2026 0.516 116.3
2027 0.516 117.1
2028 0.516 117.8
2029 0.516 118.6
2030 0.516 119.3


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds00206%2B1219b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00206+1219 BU 1015 2007 94 101 0.5 8.39 9.67 F5 NOD 002038.21+121839.8
00206+1219 BU 1015 2008 99 104 0.5 8.39 9.67 F5 NOD 002038.21+121839.8
00206+1219 BU 1015 2017 101 110 0.5 8.39 9.67 F5 NO 002038.21+121839.8

If you need more information about this double, apply for a data request form to the WDS.