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Current system
00271-0753
A 431 AB


Nearby doubles
20' : 00259-0748
RIA 1

31' : 00291-0742
MLR 2

37' : 00247-0756
HJ 1025

48' : 00294-0825
BRT 531

73' : 00296-0650
A 432

77' : 00259-0907
GWP 48

82' : 00310-0850
RST4149

82' : 00251-0637
LDS5271

85' : 00266-0916
SLW 22

86' : 00271-0628
LDS3169

88' : 00217-0825
CVR1037

90' : 00275-0921
HJ 1966

96' : 00322-0850
CVR 328

97' : 00336-0811
LDS5280AB

101' : 00226-0639
HDS 51

106' : 00290-0933
GIC 10

109' : 00207-0844
LDS3155

114' : 00340-0843
RST4151

119' : 00305-0940
UC 381

123' : 00302-0947
LDS3172

123' : 00293-0555
SHY 384AB

124' : 00245-0950
SLW 17

128' : 00304-0947
CHE 27

128' : 00194-0849
HJ 1953AB

130' : 00348-0853
A 433

132' : 00260-0542
LDS3168



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00271-0753 A 431 AB

 
 
00h 27m 07.77s -07° 52' 33.6" P.A. 288.00 sep 0.2 mag 8.84,8.95 Sp G5 dist. 55.49 pc (181.01 l.y.)
 
 
Coord 2000 00271-0753 Discov num A   431 Comp AB Coord arcsec 2000 00 27 07.77 -07 52 33.6
Date first 1903 Date last 2019 Obs 79
Pa first 353 Pa last 288.4 P.A. Now (θ) 270.9°
Sep first 0.2 Sep last 0.178 Sep. Now (ρ) 0.2"
Mag pri 8.84 Mag sec 8.95 delta mag (ΔM) 0.11 Spectral class G5 (yellow)
Pri motion ra -037 Sec motion ra -037
Pri motion dec +018 Sec motion dec +018
Notes O (Orbital solution)
This double is physical.
 
 
00271-0753 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 128768 00 27 08 -07 52 34 A 431 AB 2019 79 288 0.2 8.84 8.95 0.11 Y <===
Show 128768 00 27 08 -07 52 34 SKF 1423 AB,C 2015 7 318 110.3 8.21 14.07 5.86
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus SAO 128768 HIP 2143 Tycho2 5262-00207-1
Gaia DR2 2430329616926916480 HD 2333 ADS 363 BD BD-08 65
Distance 55.49 Distance ly 181.01
 
 
ORBITAL ELEMENTS
 
 
Period (P)53.56y Periastron (T)2003.58y Semi-major axis (a)0.364a
Eccentricity (e)0.644 Inclination (i)109° Longitude of periastron (ω)293°
Node (Ω)25.5° Notes ReferenceSca2015a
Equinox2000 Last observation2013 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 199.5 0.216
2001 193.2 0.161
2002 179.0 0.096
2003 115.6 0.044
2004 46.8 0.091
2005 30.6 0.147
2006 22.5 0.182
2007 16.5 0.200
2008 11.3 0.208
2009 6.2 0.208
2010 1.0 0.205
2011 355.6 0.199
2012 349.8 0.192
2013 343.5 0.185
2014 336.7 0.178
2015 329.5 0.172
2016 321.8 0.168
2017 313.8 0.166
2018 305.7 0.166
2019 297.8 0.169
2020 290.3 0.174
2021 283.2 0.181
2022 276.8 0.190
2023 270.9 0.200
2024 265.7 0.212
2025 261.0 0.224
2026 256.8 0.237
2027 253.1 0.250
2028 249.7 0.263
2029 246.7 0.277
2030 243.9 0.290


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


 
  


wds00271-0753b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00271-0753 A 431 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sca2015a orb - Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Zanutta, A. 2015IAUDS.185....1S
Sca2015a Inf. Circ. 185, 1, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 SKF Skiff, B.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00271-0753 A 431 AB 2011 75 175 0.2 8.84 8.95 G5 NOD 002707.77-075233.6
00271-0753 A 431 AB 2013 76 158 0.2 8.84 8.95 G5 NO 002707.77-075233.6
00271-0753 A 431 AB 2014 77 147 0.2 8.84 8.95 G5 O 002707.77-075233.6
00271-0753 A 431 AB 2017 78 124 0.2 8.84 8.95 G5 O 002707.77-075233.6
00271-0753 A 431 AB 2019 79 288 0.2 8.84 8.95 G5 O 002707.77-075233.6

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

 
 
WDS 00271-0753 A 431 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00271-0753 A 431 AB : MEASURES
 
 
No records found.

 
 
WDS 00271-0753 : VIRTUAL EYEPIECE
 
 

00271-0753 A 431A mag 8.84 Sp G5 00271-0753 A 431B sep 0.2 P.A. 288.60 mag 8.95 00271-0753 SKF1423C sep 109.9 P.A. 318.10 mag 14.07 Sp DA: 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 00271-0753 : ALADIN DSS IMAGE @ 00h 27m 07.77s -07° 52' 33.6"
 
 
 
 
WDS 00271-0753 A 431 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00271-0753 A 431AB distance=0' 00259-0748 RIA 1 distance=20' 00291-0742 MLR 2 distance=31' 00247-0756 HJ 1025 distance=37' 00294-0825 BRT 531 distance=48' 00296-0650 A 432 distance=73' 00259-0907 GWP 48 distance=77' 00310-0850 RST4149 distance=82' 00251-0637 LDS5271 distance=82' 00266-0916 SLW 22 distance=85' 00271-0628 LDS3169 distance=86' 00217-0825 CVR1037 distance=88' 00275-0921 HJ 1966 distance=90' 00322-0850 CVR 328 distance=96' 00336-0811 LDS5280AB distance=97' 00336-0811 LDS5281AC distance=97' 00226-0639 HDS 51 distance=101' 00290-0933 GIC 10 distance=106' 00207-0844 LDS3155 distance=109' 00340-0843 RST4151 distance=114' 00305-0940 UC 381 distance=119' 00302-0947 LDS3172 distance=123' 00293-0555 SHY 384AB distance=123' 00245-0950 SLW 17 distance=124' 00304-0947 CHE 27 distance=128' 00194-0849 HJ 1953AB distance=128' 00194-0849 HJ 1953AC distance=128' 00348-0853 A 433 distance=130' 00260-0542 LDS3168 distance=132' 00293-0555 RAO 1BC distance=134' 00269-0531 SCJ 1 distance=142' 00178-0717 GWP 36 distance=143' 00267-0529 GWP 49 distance=145' 00310-1005 HJ 1981A,BC distance=145' 00310-1005 BU 1158BC distance=145' 00175-0721 GWP 35 distance=147' 00202-0937 KPP1124 distance=147' 00213-0955 CBL 203 distance=151' 00331-0959 LSC 8 distance=155' 00312-1016 SLW 25 distance=156' 00212-1000 LDS5268 distance=157' 00374-0714 SKF 330 distance=157' 00245-1025 SKF1658 distance=158' 00365-0639 LDS3183 distance=158' 00181-0631 GWP 37 distance=158' 00282-1030 GAL 300AB distance=159' 00282-1030 RST4145Ba,Bb distance=160' 00295-1028 TOI 851 distance=160' 00251-0511 GWP 47 distance=164' 00353-0942 CHE 28 distance=164' 00261-1037 GIC 8 distance=166' 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 00271-0753 A 431 AB 288 0.2
Show 00271-0753 SKF1423 AB,C 318 110.3
Show 00259-0748 RIA 1 -1 2.1 20
Show 00291-0742 MLR 2 100 0.2 31
Show 00247-0756 HJ 1025 134 23.3 37
Show 00294-0825 BRT 531 -1 -1.0 48
Show 00296-0650 A 432 282 0.9 73
Show 00259-0907 GWP 48 335 80.4 77
Show 00310-0850 RST4149 155 2.1 82
Show 00251-0637 LDS5271 190 83.4 82
Show 00266-0916 SLW 22 186 116.1 85
Show 00271-0628 LDS3169 228 19.6 86
Show 00217-0825 CVR1037 23 4.2 88
Show 00275-0921 HJ 1966 288 36.8 90
Show 00322-0850 CVR 328 228 27.0 96
Show 00336-0811 LDS5280 AB 297 163.6 97
Show 00336-0811 LDS5281 AC 113 317.6 97
Show 00226-0639 HDS 51 138 0.1 101
Show 00290-0933 GIC 10 164 47.7 106
Show 00207-0844 LDS3155 50 2.0 109
Show 00340-0843 RST4151 54 0.9 114
Show 00305-0940 UC 381 356 14.5 119
Show 00302-0947 LDS3172 221 8.4 123
Show 00293-0555 SHY 384 AB 51 839.4 123
Show 00245-0950 SLW 17 352 18.2 124
Show 00304-0947 CHE 27 224 20.9 128
Show 00194-0849 HJ 1953 AB 18 68.4 128
Show 00194-0849 HJ 1953 AC 191 106.4 128
Show 00348-0853 A 433 30 4.1 130
Show 00260-0542 LDS3168 27 11.1 132
Show 00293-0555 RAO 1 BC 170 0.5 134
Show 00269-0531 SCJ 1 28 25.1 142
Show 00178-0717 GWP 36 160 56.0 143
Show 00267-0529 GWP 49 122 46.5 145
Show 00310-1005 HJ 1981 A,BC 89 78.4 145
Show 00310-1005 BU 1158 BC 324 0.5 145
Show 00175-0721 GWP 35 158 69.4 147
Show 00202-0937 KPP1124 143 8.8 147
Show 00213-0955 CBL 203 5 21.0 151
Show 00331-0959 LSC 8 18 0.3 155
Show 00312-1016 SLW 25 137 22.3 156
Show 00212-1000 LDS5268 208 64.5 157
Show 00374-0714 SKF 330 50 36.0 157
Show 00245-1025 SKF1658 54 4.0 158
Show 00365-0639 LDS3183 192 6.0 158
Show 00181-0631 GWP 37 335 21.2 158
Show 00282-1030 GAL 300 AB 183 44.9 159
Show 00282-1030 RST4145 Ba,Bb 215 0.6 160
Show 00295-1028 TOI 851 255 1.8 160
Show 00251-0511 GWP 47 355 58.6 164
Show 00353-0942 CHE 28 129 8.4 164

 
 
WDS 00271-0753 : COMPONENTS
 
 
  A B
B pa=288.6°
sep=0.18"
 
C pa=318.1°
sep=109.86"
pa=318.1°
sep=109.71"
 
 
00271-0753 A
 
 
Coord arcsec 2000 002707.77-075233.6 Mag 8.84 Spectral class G5 (yellow) PmRA -37.00
PmDE 18.0 SAO 128768 HIP 2143 Tycho2 5262-00207-1
HD 2333 BD BD-08 65
Tycho2
Tycho2 5262-00207-1 Pflag RAmdeg 6.78233140 DEmdeg -7.87604652
PmRA -36.8 PmDE 17.6 E RAmdeg 6 E DEmdeg 8
E pmRA 1.1 E pmDE 1.3 EpRAm 1990.90 EpDEm 1990.45
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.5 BTmag 9.061 E BTmag 0.018 VTmag 8.208
E VTmag 0.013 Prox 999 TYC T HIP 2143
CCDM AB RAdeg 6.78241667 DEdeg -7.87608889 EpRA 1990 1.73
EpDE 1990 1.36 E RAdeg 5.8 E DEdeg 7.9 Posflg P
Corr -0.2
SAO
SAO 128768 DelFlag RA1950 PmRA1950 -0.0025
DE1950 PmDE1950 0.016 Vmag 8.3 SpType G5
Double code Source 26 CatNum 82 DM BD-08 65
DMcomp BDsup HD 2333 M HD 0
GC RA1950rad 0.10727802 DE1950rad -0.14229932 PmRA2000 -0.0022
PmDE2000 0.012
Hipparcos
Catalog H HIP 2143 Proxy H RAhms 00 27 07.79
DEdms -07 52 33.8 Vmag 8.09 VarFlag R Vmag H
RAdeg 6.78245 DEdeg -7.87605 AstroRef A Plx 18.36
CCDM 00271-0753 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 218 Rho 0.401 HD 2333 BD BD-08 65
CD CP Dm number -08 65 VIred 0.78
SpType G5 R SpType Coord arcsec 2000 002707.79-075233.8
Hipparcos 2
HIP 2143 Sn 15 So 3 Nc 2
RArad 0.1183760972 DErad -0.1374629245 Plx 18.02 PmRA -33.67
PmDE 21.56 E RArad 1.23 E DErad 0.8 E Plx 1.37
E pmRA 1.33 E pmDE 0.95 Hpmag 8.2382 E Hpmag 0.0018
SHp 0.014 VA 0 BV 0.73 E BV 0.015
VI 0.78
CCDM
Ccdm 00271-0753 RComp Comp A Note1
Note2 Discov num DRAs 1.77 DDEs 25.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp G5 PmNote *
PmRA -37 PmDE 16 Dm number -08 65 Cat1 BD
Name2 128768 Cat2 SAO HD 2333 M HD
ADS BDS A 363 M ADS BDS N IDS IDS 00220S0826A
HIC 2143
 
 
00271-0753 B
 
 
Coord arcsec 2000 002707.76-075233.5 Mag 8.95 PmRA -37.00 PmDE 18.0
Calc delta mag 0.11 Calc coord yes
CCDM
Ccdm 00271-0753 RComp Comp B Note1 *
Note2 Discov num A 431 DRAs DDEs
R dRAs Year 1903 Theta Rho
Obs 30 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 363 M ADS BDS N IDS IDS 00220S0826B
HIC 2143
 
 
00271-0753 C
 
 
Coord arcsec 2000 002702.83-075111.9 Mag 14.07 Spectral class DA: (white dwarf) PmRA -39.00
PmDE 24.0 Calc delta mag 5.23 Calc coord yes