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Current system
00206+1219
BU 1015
HD 1634


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 (HD 1634)

 
 
00h 20m 38.21s +12° 18' 39.8" P.A. 110.00 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 109.8 P.A. Now (θ) 114.1°
Sep first 0.6 Sep last 0.51 Sep. Now (ρ) 0.514"
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
 
 
Name HD 1634 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
 
 
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° Notesn ReferenceHrt2010a
Equinox2000 Last observation2008 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 94.5 0.434
2001 95.5 0.440
2002 96.5 0.446
2003 97.5 0.452
2004 98.5 0.457
2005 99.4 0.462
2006 100.3 0.467
2007 101.2 0.471
2008 102.1 0.475
2009 103.0 0.480
2010 103.8 0.483
2011 104.7 0.487
2012 105.5 0.491
2013 106.3 0.494
2014 107.1 0.497
2015 107.9 0.499
2016 108.7 0.502
2017 109.5 0.504
2018 110.3 0.507
2019 111.1 0.508
2020 111.8 0.510
2021 112.6 0.512
2022 113.3 0.513
2023 114.1 0.514
2024 114.8 0.515
2025 115.6 0.516
2026 116.3 0.516
2027 117.1 0.516
2028 117.8 0.516
2029 118.6 0.516
2030 119.3 0.516


 
 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 00206+1219 BU 1015 (HD 1634) : NOTES
 
 
discov_num notes refcode
BU 1015 Hipparcos parallax of 0".00883 yields a mass sum of 2.87 Msun
with an uncertainty of 75% slightly in excess for a binary of
spectral type F5. The great uncertainty concerning the sum of
masses is largely due to the consistent error in the measured
parallax. The dynamical parallax is 0".0085, agreeing well with
the observed parallax. Sca2000b
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.44 +/- 1.04, 2.58, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2010a orb - Hartkopf, W.I. & Mason, B.D. 2010IAUDS.170....1H
Hrt2010a Inf. Circ. 170, 1, 2010
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sca2000b orb - Scardia, M., Prieur, J.-L., Aristidi, E., & Koechlin, L. 2000AN....321..255S
Sca2000b AN 321, 255, 2000
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
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.

 
 
WDS 00206+1219 BU 1015 (HD 1634) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00206+1219 BU 1015 (HD 1634) : MEASURES
 
 
No records found.

 
 
WDS 00206+1219 (HD 1634) : VIRTUAL EYEPIECE
 
 

00206+1219 BU 1015A mag 8.39 Sp F5 00206+1219 BU 1015B sep 0.5 P.A. 110.20 mag 9.67 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00206+1219 (HD 1634) : ALADIN DSS IMAGE @ 00h 20m 38.21s +12° 18' 39.8"
 
 
 
 
WDS 00206+1219 BU 1015 (HD 1634) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00206+1219 BU 1015 distance=0' 00208+1219 UC 353 distance=3' 00182+1209 GWP 38 distance=37' 00232+1233 NSN 505 distance=41' 00217+1301 BPM 9 distance=45' 00236+1229 J 583 distance=46' 00177+1217 LDS1076 distance=46' 00170+1233 HJ 2 distance=56' 00168+1202 HEI 300 distance=59' 00246+1205 CVR 318 distance=59' 00176+1300 HJ 3 distance=61' 00222+1114 HEI 301 distance=69' 00172+1308 FOX 1 distance=71' 00218+1329 ROE 83 distance=73' 00224+1329 STF 27 distance=75' 00209+1059 BU 1093 distance=81' 00244+1322 BPM 11 distance=84' 00244+1115 UC 359 distance=85' 00167+1334 TDS1377 distance=95' 00141+1207 A 1802 distance=97' 00251+1055 KPP4414 distance=107' 00253+1047 SHN 50 distance=115' 00132+1144 HDS 30 distance=115' 00249+1355 GWP 45 distance=115' 00248+1358 HEI 199 distance=117' 00137+1120 LDS 862 distance=118' 00200+1419 CHE 5AB distance=122' 00200+1419 CHE 5AC distance=122' 00283+1131 BPM 13AB distance=123' 00290+1152 CVR 324 distance=126' 00271+1051 PLQ 6 distance=129' 00151+1358 LDS1075AB distance=130' 00121+1137 KPP3128 distance=133' 00126+1118 BPM 4 distance=134' 00222+1007 DVG 9 distance=134' 00229+1007 DVG 10 distance=136' 00258+1025 HDS 57 distance=137' 00291+1119 A 805AB distance=139' 00287+1106 KPP1086 distance=139' 00298+1142 KPP 56 distance=140' 00136+1356 LDS1073AB distance=142' 00136+1356 LDS1073AC distance=142' 00140+1401 BRT1165 distance=142' 00110+1247 SKF 839 distance=145' 00174+1002 A 1804 distance=145' 00240+0955 A 1805 distance=152' 00236+0947 KUI 3 distance=158' 00304+1105 KPP3132 distance=161' 00316+1209 CVR 12 distance=162' 00129+1416 GRV 14 distance=164' 00096+1145 LDS 860 distance=165' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 00206+1219 BU 1015 110 0.5
Show 00208+1219 UC 353 249 74.3 3
Show 00182+1209 GWP 38 39 7.2 37
Show 00232+1233 NSN 505 2 1.2 41
Show 00217+1301 BPM 9 266 103.5 45
Show 00236+1229 J 583 251 3.6 46
Show 00177+1217 LDS1076 231 2.0 46
Show 00170+1233 HJ 2 169 19.9 56
Show 00168+1202 HEI 300 177 1.5 59
Show 00246+1205 CVR 318 101 7.5 59
Show 00176+1300 HJ 3 262 12.0 61
Show 00222+1114 HEI 301 280 1.7 69
Show 00172+1308 FOX 1 110 4.9 71
Show 00218+1329 ROE 83 218 8.5 73
Show 00224+1329 STF 27 315 28.9 75
Show 00209+1059 BU 1093 119 0.8 81
Show 00244+1322 BPM 11 41 117.7 84
Show 00244+1115 UC 359 151 9.2 85
Show 00167+1334 TDS1377 290 1.4 95
Show 00141+1207 A 1802 148 2.0 97
Show 00251+1055 KPP4414 26 2.9 107
Show 00253+1047 SHN 50 -1 0.2 115
Show 00132+1144 HDS 30 261 0.3 115
Show 00249+1355 GWP 45 222 51.4 115
Show 00248+1358 HEI 199 122 3.0 117
Show 00137+1120 LDS 862 269 93.0 118
Show 00200+1419 CHE 5 AB 205 6.5 122
Show 00200+1419 CHE 5 AC 100 46.1 122
Show 00283+1131 BPM 13 AB 75 48.7 123
Show 00290+1152 CVR 324 153 23.0 126
Show 00271+1051 PLQ 6 298 7.0 129
Show 00151+1358 LDS1075 AB 170 8.7 130
Show 00121+1137 KPP3128 227 3.2 133
Show 00126+1118 BPM 4 254 79.0 134
Show 00222+1007 DVG 9 332 9.9 134
Show 00229+1007 DVG 10 16 13.5 136
Show 00258+1025 HDS 57 340 0.1 137
Show 00291+1119 A 805 AB 308 4.4 139
Show 00287+1106 KPP1086 159 8.6 139
Show 00298+1142 KPP 56 213 5.0 140
Show 00136+1356 LDS1073 AB 252 21.5 142
Show 00136+1356 LDS1073 AC 6 25.2 142
Show 00140+1401 BRT1165 141 3.7 142
Show 00110+1247 SKF 839 247 24.8 145
Show 00174+1002 A 1804 27 1.2 145
Show 00240+0955 A 1805 316 4.7 152
Show 00236+0947 KUI 3 136 3.6 158
Show 00304+1105 KPP3132 251 3.7 161
Show 00316+1209 CVR 12 97 83.9 162
Show 00129+1416 GRV 14 177 36.6 164
Show 00096+1145 LDS 860 43 289.4 165

 
 
WDS 00206+1219 : COMPONENTS
 
 
  A
B pa=110.2°
sep=0.50"
 
 
00206+1219 A
 
 
Componente originario normalizzato AB Name HD 1634 Coord arcsec 2000 002038.21+121839.8 Mag 8.39
Spectral class F5 (yellow-white) PmRA -27.00 PmDE 7.0 SAO 91856
HIP 1646 Tycho2 0599-00185-1 HD 1634 BD BD+11 41
Tycho2
Tycho2 0599-00185-1 Pflag RAmdeg 5.15923097 DEmdeg 12.31106614
PmRA -27.3 PmDE 6.9 E RAmdeg 6 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.15 EpDEm 1990.87
Num 10 Q RAmdeg 1.3 Q DEmdeg 0.4 Q pmRA 1.4
Q pmDE 0.3 BTmag 8.621 E BTmag 0.017 VTmag 8.145
E VTmag 0.013 Prox 999 TYC T HIP 1646
CCDM AB RAdeg 5.15929500 DEdeg 12.31105028 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 5.7 E DEdeg 6.6 Posflg P
Corr -0.3
SAO
SAO 91856 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.016 Vmag 8.2 SpType F5
Double code Source 29 CatNum 86 DM BD+11 41
DMcomp BDsup HD 1634 M HD 0
GC RA1950rad 0.07878268 DE1950rad 0.21002574 PmRA2000 -0.0004
PmDE2000 0.011
Hipparcos
Catalog H HIP 1646 Proxy H RAhms 00 20 38.22
DEdms +12 18 39.8 Vmag 8.09 VarFlag R Vmag H
RAdeg 5.15926 DEdeg 12.311 AstroRef A Plx 8.83
CCDM 00206+1219 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 84 Rho 0.371 HD 1634 BD BD+11 41
CD CP Dm number +11 41 VIred 0.49
SpType F5 R SpType Coord arcsec 2000 002038.22+121839.8
Hipparcos 2
HIP 1646 Sn 15 So 3 Nc 2
RArad 0.0900460698 DErad 0.2148682772 Plx 9.31 PmRA -28.22
PmDE 11.66 E RArad 0.8 E DErad 0.55 E Plx 1.03
E pmRA 0.94 E pmDE 0.58 Hpmag 8.1961 E Hpmag 0.0018
SHp 0.013 VA 0 BV 0.462 E BV 0.015
VI 0.53
CCDM
Ccdm 00206+1219 RComp Comp A Note1
Note2 Discov num DRAs 2.32 DDEs -20.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote *
PmRA -4 PmDE 13 Dm number +11 41 Cat1 BD
Name2 +12 41 Cat2 AGK2/3 HD 1634 M HD
ADS BDS A 281 M ADS BDS N IDS IDS 00155N1145A
HIC 1646
 
 
00206+1219 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 002038.24+121839.6 Mag 9.67 PmRA -27.00
PmDE 7.0 Calc delta mag 1.28 Calc coord yes
CCDM
Ccdm 00206+1219 RComp Comp B Note1 *
Note2 Discov num BU 1015 DRAs DDEs
R dRAs Year 1888 Theta Rho
Obs 35 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 281 M ADS BDS N IDS IDS 00155N1145B
HIC 1646