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Doubles in session


Current system
08279-2608
HDS 1207
HD 71688


Nearby doubles
16' : 08281-2553
DAM1411

17' : 08282-2552
DAM1412

18' : 08282-2551
TDS5848

20' : 08292-2559
B 2658

34' : 08303-2602
B 158AB

35' : 08294-2539
B 157

37' : 08290-2534
B 156

38' : 08267-2642
HJ 2449

45' : 08247-2617
RST2551

52' : 08317-2601
I 807

52' : 08269-2658
DAM 472

53' : 08281-2700
SKF1453

53' : 08267-2658
RST1394AB

56' : 08315-2541
I 805

59' : 08242-2639
TDS5791

60' : 08235-2604
B 2653

62' : 08286-2709
TDS5858

70' : 08228-2621
B 767AB

70' : 08230-2629
HO 527

75' : 08224-2609
BRT2954

77' : 08225-2629
HO 526

77' : 08239-2514
TDS5788

79' : 08323-2659
TDS5916

80' : 08221-2626
RSS 157

85' : 08293-2446
KPP3747

86' : 08342-2554
RST2566



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.

08279-2608 HDS 1207 (HD 71688)

 
 
08h 27m 53.71s -26° 07' 58.6" P.A. 304.00 sep 0.3 mag 6.69,10.06 Sp A1/A2V dist. 96.99 pc (316.38 l.y.)
 
 
Coord 2000 08279-2608 Discov num HDS1207 Comp Coord arcsec 2000 08 27 53.71 -26 07 58.6
Date first 1991 Date last 2020 Obs 7
Pa first 36 Pa last 304.1 P.A. Now (θ) 304.1°
Sep first 0.2 Sep last 0.257 Sep. Now (ρ) 0.257"
Mag pri 6.69 Mag sec 10.06 delta mag (ΔM) 3.37 Spectral class A1/A2V (white)
Pri motion ra -042 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 71688 Constellation Pyxis SAO 175883 HIP 41504
Tycho2 6573-04333-1 Gaia DR2 5695016172244129408 HD 71688 HR 3339
GC 11583 CD CD-25 6109 CP CP-25 3652 Distance 96.99
Distance ly 316.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)57.572y Periastron (T)2002.556y Semi-major axis (a)0.227a
Eccentricity (e)0.416 Inclination (i)27° Longitude of periastron (ω)124.3°
Node (Ω)30.9° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 113.9 0.127
2001 130.8 0.122
2002 148.6 0.121
2003 165.9 0.125
2004 181.8 0.132
2005 195.9 0.141
2006 208.3 0.150
2007 219.2 0.159
2008 228.9 0.168
2009 237.7 0.177
2010 245.7 0.185
2011 253.0 0.193
2012 259.7 0.201
2013 266.0 0.208
2014 271.8 0.215
2015 277.2 0.222
2016 282.4 0.229
2017 287.2 0.236
2018 291.8 0.242
2019 296.1 0.248
2020 300.3 0.254
2021 304.2 0.260
2022 308.0 0.265
2023 311.7 0.270
2024 315.2 0.275
2025 318.6 0.279
2026 321.9 0.283
2027 325.1 0.287
2028 328.3 0.290
2029 331.3 0.293
2030 334.4 0.295


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


 
  


wds08279-2608a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08279-2608 HDS 1207 (HD 71688) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2018e orb - Tokovinin, A. 2018IAUDS.195....1T
Tok2018e Inf. Circ. 195, 1, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08279-2608 HDS1207 1991 1 36 0.2 6.69 10.06 A1/A2V 082753.71-260758.6
08279-2608 HDS1207 2007 3 228 0.2 6.69 10.06 A1/A2V D 082753.71-260758.6
08279-2608 HDS1207 2015 4 277 0.2 6.69 10.06 A1/A2V 082753.71-260758.6
08279-2608 HDS1207 2018 6 292 0.2 6.69 10.06 A1/A2V O 082753.71-260758.6
08279-2608 HDS1207 2020 7 304 0.3 6.69 10.06 A1/A2V O 082753.71-260758.6

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

 
 
WDS 08279-2608 HDS 1207 (HD 71688) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08279-2608 HDS 1207 (HD 71688) : MEASURES
 
 
No records found.

 
 
WDS 08279-2608 (HD 71688) : VIRTUAL EYEPIECE
 
 

08279-2608 HDS1207A mag 6.69 Sp A1/A2V 08279-2608 HDS1207B sep 0.2 P.A. 307.00 mag 10.06 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 08279-2608 (HD 71688) : ALADIN DSS IMAGE @ 08h 27m 53.71s -26° 07' 58.6"
 
 
 
 
WDS 08279-2608 HDS 1207 (HD 71688) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08279-2608 HDS1207 distance=0' 08281-2553 DAM1411 distance=16' 08282-2552 DAM1412 distance=17' 08282-2551 TDS5848 distance=18' 08292-2559 B 2658 distance=20' 08303-2602 B 158AB distance=34' 08303-2602 S 569AB,C distance=34' 08294-2539 B 157 distance=35' 08290-2534 B 156 distance=37' 08267-2642 HJ 2449 distance=38' 08247-2617 RST2551 distance=45' 08317-2601 I 807 distance=52' 08269-2658 DAM 472 distance=52' 08281-2700 SKF1453 distance=53' 08267-2658 RST1394AB distance=53' 08267-2658 DAM 471AC distance=53' 08315-2541 I 805 distance=56' 08242-2639 TDS5791 distance=59' 08235-2604 B 2653 distance=60' 08286-2709 TDS5858 distance=62' 08228-2621 B 767AB distance=70' 08228-2621 HO 353AB,C distance=70' 08230-2629 HO 527 distance=70' 08224-2609 BRT2954 distance=75' 08225-2629 HO 526 distance=77' 08239-2514 TDS5788 distance=77' 08323-2659 TDS5916 distance=79' 08221-2626 RSS 157 distance=80' 08293-2446 KPP3747 distance=85' 08342-2554 RST2566 distance=86' 08299-2731 TDS5874 distance=88' 08320-2716 TDS5912 distance=88' 08227-2517 BRT2955 distance=88' 08238-2720 RSS 159 distance=90' 08261-2735 TDS5824 distance=91' 08289-2436 KIR 13Aa,Ab distance=94' 08289-2436 KIR 13 distance=94' 08219-2706 TDS5761 distance=99' 08321-2730 HDS1220AB distance=100' 08321-2730 HDS1220BC distance=100' 08276-2425 RST2556 distance=103' 08222-2717 TDS5768 distance=104' 08203-2546 RST2548 distance=104' 08350-2650 BRT2957 distance=106' 08298-2754 RST1395 distance=110' 08342-2458 LDS 226AB distance=112' 08217-2724 RST1390 distance=113' 08354-2659 B 2660 distance=113' 08208-2508 B 153 distance=114' 08331-2436 BU 205AB distance=116' 08331-2436 BU 205AB,C distance=116' 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 08279-2608 HDS1207 304 0.3
Show 08281-2553 DAM1411 10 1.9 16
Show 08282-2552 DAM1412 179 2.6 17
Show 08282-2551 TDS5848 203 2.0 18
Show 08292-2559 B 2658 151 33.2 20
Show 08303-2602 B 158 AB 38 1.1 34
Show 08303-2602 S 569 AB,C 334 18.7 34
Show 08294-2539 B 157 202 4.9 35
Show 08290-2534 B 156 348 0.3 37
Show 08267-2642 HJ 2449 200 11.3 38
Show 08247-2617 RST2551 89 3.7 45
Show 08317-2601 I 807 161 0.4 52
Show 08269-2658 DAM 472 77 3.5 52
Show 08281-2700 SKF1453 162 18.1 53
Show 08267-2658 RST1394 AB 176 2.6 53
Show 08267-2658 DAM 471 AC 103 9.5 53
Show 08315-2541 I 805 43 1.9 56
Show 08242-2639 TDS5791 7 0.6 59
Show 08235-2604 B 2653 91 9.0 60
Show 08286-2709 TDS5858 240 2.2 62
Show 08228-2621 B 767 AB 62 0.0 70
Show 08228-2621 HO 353 AB,C 222 32.5 70
Show 08230-2629 HO 527 240 13.1 70
Show 08224-2609 BRT2954 71 4.1 75
Show 08225-2629 HO 526 89 3.0 77
Show 08239-2514 TDS5788 235 1.4 77
Show 08323-2659 TDS5916 190 2.1 79
Show 08221-2626 RSS 157 12 8.3 80
Show 08293-2446 KPP3747 67 3.9 85
Show 08342-2554 RST2566 314 0.6 86
Show 08299-2731 TDS5874 113 1.2 88
Show 08320-2716 TDS5912 152 1.9 88
Show 08227-2517 BRT2955 79 4.3 88
Show 08238-2720 RSS 159 73 10.2 90
Show 08261-2735 TDS5824 5 0.4 91
Show 08289-2436 KIR 13 Aa,Ab 207 2.3 94
Show 08289-2436 KIR 13 282 26.7 94
Show 08219-2706 TDS5761 314 0.4 99
Show 08321-2730 HDS1220 AB 151 0.3 100
Show 08321-2730 HDS1220 BC 202 0.0 100
Show 08276-2425 RST2556 123 1.5 103
Show 08222-2717 TDS5768 262 0.4 104
Show 08203-2546 RST2548 227 4.6 104
Show 08350-2650 BRT2957 305 3.6 106
Show 08298-2754 RST1395 59 0.4 110
Show 08342-2458 LDS 226 AB 268 9.4 112
Show 08217-2724 RST1390 211 1.6 113
Show 08354-2659 B 2660 133 7.8 113
Show 08208-2508 B 153 341 0.3 114
Show 08331-2436 BU 205 AB 276 0.6 116
Show 08331-2436 BU 205 AB,C 356 29.6 116

 
 
WDS 08279-2608 : COMPONENTS
 
 
  A
B pa=307.0°
sep=0.24"
 
 
08279-2608 A
 
 
Componente originario normalizzato AB Name HD 71688 Coord arcsec 2000 082753.71-260758.6 Mag 6.69
Spectral class A1/A2V (white) PmRA -42.00 PmDE -5.0 SAO 175883
HIP 41504 Tycho2 6573-04333-1 HD 71688 HR 3339
GC 11583 CD CD-25 6109 CP CP-25 3652
Tycho2
Tycho2 6573-04333-1 Pflag RAmdeg 126.97366694 DEmdeg -26.13298251
PmRA -40.8 PmDE -15.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.14 EpDEm 1991.30
Num 15 Q RAmdeg 2.5 Q DEmdeg 1.0 Q pmRA 2.5
Q pmDE 1.0 BTmag 6.748 E BTmag 0.015 VTmag 6.616
E VTmag 0.010 Prox 999 TYC T HIP 41504
CCDM AB RAdeg 126.97377306 DEdeg -26.13294694 EpRA 1990 1.56
EpDE 1990 1.65 E RAdeg 3.7 E DEdeg 3.7 Posflg P
Corr -0.1
SAO
SAO 175883 DelFlag RA1950 PmRA1950 -0.0044
DE1950 PmDE1950 -0.006 Vmag 6.6 SpType A2
Double code Source 70 CatNum 11583 DM CD-25 6109
DMcomp BDsup HD 71688 M HD 0
GC 11583 RA1950rad 2.2068361 DE1950rad -0.4531946 PmRA2000 -0.0041
PmDE2000 -0.003
Hipparcos
Catalog H HIP 41504 Proxy H RAhms 08 27 53.71
DEdms -26 07 58.6 Vmag 6.6 VarFlag R Vmag H
RAdeg 126.974 DEdeg -26.1329 AstroRef * Plx 9.89
CCDM 08279-2608 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 36 Rho 0.234 HD 71688 BD
CD CD-25 6109 CP CP-25 3652 Dm number -25 6109 VIred 0.12
SpType A1/A2V R SpType Coord arcsec 2000 082753.71-260758.6
Hipparcos 2
HIP 41504 Sn 55 So 3 Nc 2
RArad 2.2161104585 DErad -0.4561059263 Plx 10.31 PmRA -41.84
PmDE -4.25 E RArad 0.32 E DErad 0.36 E Plx 0.51
E pmRA 0.37 E pmDE 0.4 Hpmag 6.6442 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.11 E BV 0.002
VI 0.12
CCDM
Ccdm 08279-2608 RComp Comp A Note1
Note2 Discov num DRAs -0.32 DDEs 1.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 6.7 Sp A1 PmNote *
PmRA -42 PmDE -5 Dm number -25 6109 Cat1 CD
Name2 175883 Cat2 SAO HD 71688 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 41504
 
 
08279-2608 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 082753.70-260758.5 Mag 10.06 Calc delta mag 3.37
Calc coord yes
CCDM
Ccdm 08279-2608 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.31 DDEs 1.5
R dRAs 82 Year 1991 Theta 36 Rho 0.2
Obs 1 Vmag 10.1 Sp PmNote *
PmRA -42 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 41504