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Doubles in session


Current system
04268+1052
PAT 8
HD 286820


Nearby doubles
17' : 04275+1039
STZ 7

23' : 04275+1113
BU 1186

27' : 04285+1059
HEI 457

31' : 04288+1045
GWP 587

33' : 04266+1125
LDS5560

34' : 04259+1123
GWP 584

46' : 04295+1113
GWP 590

52' : 04280+1004
A 2033

54' : 04278+1001
STF 549AB

54' : 04278+1144
MET 39

60' : 04237+1131
LSC 30

61' : 04300+1016
LDS5568

61' : 04233+1123
STF 535

70' : 04224+1118
PAT 5

73' : 04317+1044
LDS5571

76' : 04217+1046
TOK 84

76' : 04235+0954
ITO 24AB

80' : 04256+1210
ITO 27

83' : 04278+0932
SKF1829

84' : 04324+1038
HDS 588

89' : 04224+1153
WIS 105

89' : 04297+1211
HDS 578

93' : 04248+1219
RED 30

94' : 04208+1026
LDS5541

96' : 04239+0928
HU 304

100' : 04274+1232
LDS5562



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.

04268+1052 PAT 8 (HD 286820)

 
 
04h 26m 48.19s +10° 52' 16.0" P.A. 159.00 sep 0.2 mag 7.40,8.00 Sp K5 dist. 41.48 pc (135.31 l.y.)
 
 
Coord 2000 04268+1052 Discov num PAT   8 Comp Coord arcsec 2000 04 26 48.19 +10 52 16.0
Date first 1991 Date last 2021 Obs 9
Pa first 78 Pa last 159.1 P.A. Now (θ) 170.4°
Sep first 0.2 Sep last 0.16 Sep. Now (ρ) 0.157"
Mag pri 7.40 Mag sec 8.00 delta mag (ΔM) 0.6 Spectral class K5 (yellow-orange)
Pri motion ra +110 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 286820 Constellation Taurus HIP 20751 Tycho2 0672-00425-1
Gaia DR2 3306007129990778368 HD 286820 BD BD+10 576 Distance 41.48
Distance ly 135.31
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.77y± 0.27 Periastron (T)2017.39y± 0.11 Semi-major axis (a)0.201a± 0.01
Eccentricity (e)0.649± 0.04 Inclination (i)63°± 2.2 Longitude of periastron (ω)273.7°± 0.9
Node (Ω)119.6°± 1.5 Notesn ReferenceTok2021c
Equinox2000 Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 137.9 0.152
2001 148.2 0.160
2002 158.0 0.161
2003 168.0 0.158
2004 178.5 0.154
2005 189.4 0.151
2006 200.7 0.149
2007 212.1 0.150
2008 223.1 0.154
2009 233.5 0.159
2010 243.3 0.165
2011 252.2 0.171
2012 260.6 0.177
2013 268.6 0.179
2014 276.7 0.175
2015 285.6 0.161
2016 297.5 0.128
2017 330.5 0.055
2018 106.5 0.080
2019 128.4 0.134
2020 140.4 0.155
2021 150.5 0.161
2022 160.3 0.160
2023 170.4 0.157
2024 180.9 0.153
2025 192.0 0.150
2026 203.3 0.149
2027 214.7 0.151
2028 225.6 0.155
2029 235.8 0.160
2030 245.4 0.167


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


 
  


wds04268%2B1052a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04268+1052 PAT 8 (HD 286820) : NOTES
 
 
discov_num notes refcode
PAT 8 1991.8990: This K dwarf is noted as a binary with a period in excess
of 16 years in Griffin et al. (1988), and it is likely that we have Grf1988
detected the spectroscopic companion. Msn1993a
The spectroscopic solution of this 6950-d pair determined by Griffin. Grf2012b
 
 
REFERENCES
 
 
refcode metd author reference
Grf1988 not - Griffin, R.F., Griffin, R.E.M., Gunn, J.E., & Zimmerman, B.A. 1988AJ.....96..172G
Grf1988 AJ 96, 172, 1988
Grf2012b not - Griffin, R.F. 2012JApA...33...29G
Grf2012b J Astrophys Astron 33, 29, 2012
Msn1993a Sc j Mason, B.D., McAlister, H.A., Hartkopf, W.I., & Bagnuolo, W.G. 1993AJ....105..220M
Msn1993a AJ 105, 220, 1993
Tok2021c orb - Tokovinin, A. 2021IAUDS.203....1S
Tok2021c Inf. Circ. 203, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 PAT Patience, J., Ghez, A.M., Reid, I.N., Weinberger, A.J., & Matthews, K.
4 PAT Patience, J., White, R.J., Ghez, A.M., McCabe, C., McLean, I.S., Larkin, J.E.,
4 PAT Prato, L., Kim, S.S., et al.
5 PAT Patience, J., Zavala, R.T., Prato, L., Franz, O., Wasserman, L., Tycner, C.,
5 PAT Hutter, D.J., & Hummel, C.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04268+1052 PAT 8 1996 2 295 0.1 9.58   K5 N 042648.19+105216.0
04268+1052 PAT 8 2019 3 139 0.2 7.40 8.00 K5 N K 042648.19+105216.0
04268+1052 PAT 8 2020 8 149 0.2 7.40 8.00 K5 N K 042648.19+105216.0
04268+1052 PAT 8 2021 9 159 0.2 7.40 8.00 K5 NO K 042648.19+105216.0

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

 
 
WDS 04268+1052 PAT 8 (HD 286820) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04268+1052 PAT 8 (HD 286820) : MEASURES
 
 
No records found.

 
 
WDS 04268+1052 (HD 286820) : VIRTUAL EYEPIECE
 
 

04268+1052 PAT 8A mag 7.4 Sp K5 04268+1052 PAT 8B sep 0.2 P.A. 159.40 mag 8 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 04268+1052 (HD 286820) : ALADIN DSS IMAGE @ 04h 26m 48.19s +10° 52' 16.0"
 
 
 
 
WDS 04268+1052 PAT 8 (HD 286820) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04268+1052 PAT 8 distance=0' 04275+1039 STZ 7 distance=17' 04275+1113 BU 1186 distance=23' 04285+1059 HEI 457 distance=27' 04288+1045 GWP 587 distance=31' 04266+1125 LDS5560 distance=33' 04259+1123 GWP 584 distance=34' 04295+1113 GWP 590 distance=46' 04280+1004 A 2033 distance=52' 04278+1001 STF 549AB distance=54' 04278+1001 BU 1534AC distance=54' 04278+1144 MET 39 distance=54' 04237+1131 LSC 30 distance=60' 04300+1016 LDS5568 distance=61' 04233+1123 STF 535 distance=61' 04224+1118 PAT 5 distance=70' 04317+1044 LDS5571 distance=73' 04217+1046 TOK 84 distance=76' 04235+0954 ITO 24AB distance=76' 04235+0954 ITO 24AC distance=76' 04235+0954 ITO 24AD distance=76' 04256+1210 ITO 27 distance=80' 04278+0932 SKF1829 distance=83' 04324+1038 HDS 588 distance=84' 04224+1153 WIS 105 distance=89' 04297+1211 HDS 578 distance=89' 04248+1219 RED 30 distance=93' 04208+1026 LDS5541 distance=94' 04239+0928 HU 304 distance=96' 04274+1232 LDS5562 distance=100' 04261+1233 SKF1807 distance=101' 04230+0924 YSC 31AB distance=105' 04230+0924 GII 128Aa,Ab distance=105' 04268+1240 WOR 15 distance=109' 04296+1234 LDS5567 distance=110' 04246+1238 LDS5553 distance=111' 04192+1100 BPM 98 distance=113' 04210+0935 LDS5542 distance=116' 04342+1133 SKF2412 distance=117' 04250+0856 HEI 641 distance=120' 04301+0902 CBL 225 distance=121' 04347+1130 A 2034 distance=123' 04333+1213 UC 1181 distance=126' 04354+1045 RED 7 distance=128' 04268+0843 HEI 642Aa,Ab distance=130' 04268+0843 HJ 678AB distance=130' 04268+0843 OPI 2AC distance=130' 04268+0843 TOB 367AD distance=130' 04241+1258 UC 1159AB distance=133' 04335+1224 UC 1182 distance=135' 04357+1010 CHR 18Aa,Ab distance=138' 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 04268+1052 PAT 8 159 0.2
Show 04275+1039 STZ 7 130 5.3 17
Show 04275+1113 BU 1186 78 0.1 23
Show 04285+1059 HEI 457 111 1.4 27
Show 04288+1045 GWP 587 245 55.6 31
Show 04266+1125 LDS5560 71 19.4 33
Show 04259+1123 GWP 584 322 5.8 34
Show 04295+1113 GWP 590 296 20.3 46
Show 04280+1004 A 2033 217 0.8 52
Show 04278+1001 STF 549 AB 157 25.3 54
Show 04278+1001 BU 1534 AC 350 18.4 54
Show 04278+1144 MET 39 249 9.8 54
Show 04237+1131 LSC 30 61 0.0 60
Show 04300+1016 LDS5568 76 59.6 61
Show 04233+1123 STF 535 267 1.1 61
Show 04224+1118 PAT 5 159 0.0 70
Show 04317+1044 LDS5571 148 35.3 73
Show 04217+1046 TOK 84 15 17.7 76
Show 04235+0954 ITO 24 AB 356 1.6 76
Show 04235+0954 ITO 24 AC 307 6.7 76
Show 04235+0954 ITO 24 AD 257 10.6 76
Show 04256+1210 ITO 27 162 10.4 80
Show 04278+0932 SKF1829 349 64.3 83
Show 04324+1038 HDS 588 248 4.0 84
Show 04224+1153 WIS 105 300 999.9 89
Show 04297+1211 HDS 578 247 0.2 89
Show 04248+1219 RED 30 199 4.1 93
Show 04208+1026 LDS5541 342 9.1 94
Show 04239+0928 HU 304 35 0.3 96
Show 04274+1232 LDS5562 335 83.5 100
Show 04261+1233 SKF1807 54 113.8 101
Show 04230+0924 YSC 31 AB 108 0.5 105
Show 04230+0924 GII 128 Aa,Ab 129 0.1 105
Show 04268+1240 WOR 15 348 0.5 109
Show 04296+1234 LDS5567 141 28.9 110
Show 04246+1238 LDS5553 184 26.8 111
Show 04192+1100 BPM 98 216 109.3 113
Show 04210+0935 LDS5542 343 29.9 116
Show 04342+1133 SKF2412 119 2.3 117
Show 04250+0856 HEI 641 275 2.8 120
Show 04301+0902 CBL 225 252 16.1 121
Show 04347+1130 A 2034 240 0.5 123
Show 04333+1213 UC 1181 28 86.8 126
Show 04354+1045 RED 7 250 0.5 128
Show 04268+0843 HEI 642 Aa,Ab 109 1.6 130
Show 04268+0843 HJ 678 AB 293 20.8 130
Show 04268+0843 OPI 2 AC 266 165.3 130
Show 04268+0843 TOB 367 AD 277 94.7 130
Show 04241+1258 UC 1159 AB 73 65.0 133
Show 04335+1224 UC 1182 41 34.9 135
Show 04357+1010 CHR 18 Aa,Ab 193 0.1 138

 
 
WDS 04268+1052 : COMPONENTS
 
 
  A
B pa=159.4°
sep=0.16"
 
 
04268+1052 A
 
 
Componente originario normalizzato AB Name HD 286820 Coord arcsec 2000 042648.19+105216.0 Mag 7.4
Spectral class K5 (yellow-orange) PmRA 110.00 PmDE -10.0 HIP 20751
Tycho2 0672-00425-1 HD 286820 BD BD+10 576
Tycho2
Tycho2 0672-00425-1 Pflag RAmdeg 66.70107167 DEmdeg 10.87108592
PmRA 110.5 PmDE -8.9 E RAmdeg 18 E DEmdeg 19
E pmRA 1.5 E pmDE 1.4 EpRAm 1986.60 EpDEm 1986.04
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 10.804 E BTmag 0.055 VTmag 9.527
E VTmag 0.028 Prox 999 TYC T HIP 20751
CCDM RAdeg 66.70081750 DEdeg 10.87111028 EpRA 1990 1.64
EpDE 1990 1.63 E RAdeg 22.0 E DEdeg 22.9 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 20751 Proxy RAhms 04 26 48.19
DEdms +10 52 16.0 Vmag 9.45 VarFlag R Vmag G
RAdeg 66.7008 DEdeg 10.8711 AstroRef Plx 23.03
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 286820 BD BD+10 576
CD CP Dm number +10 576 VIred 1.08
SpType K5 R SpType Coord arcsec 2000 042648.19+105216.0
Hipparcos 2
HIP 20751 Sn 5 So 0 Nc 1
RArad 1.1641485824 DErad 0.1897366484 Plx 24.11 PmRA 113.02
PmDE -14.78 E RArad 1.3 E DErad 1.11 E Plx 1.59
E pmRA 1.74 E pmDE 1.2 Hpmag 9.5825 E Hpmag 0.0031
SHp 0.016 VA 0 BV 1.033 E BV 0.005
VI 1.08
 
 
04268+1052 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042648.19+105215.9 Mag 8 Calc delta mag 0.6
Calc coord yes