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Doubles in session


Current system
09179+2834
STF 3121 AB


Nearby doubles
3' : 09176+2833
LDS6225

15' : 09168+2838
SLE 487

26' : 09166+2853
CVR1208

28' : 09165+2854
SLE 485

28' : 09167+2811
SLE 486

30' : 09186+2902
GRV 783

32' : 09177+2803
SLE 488

42' : 09172+2914
SLW 344

42' : 09150+2816
SLE 481AB

44' : 09187+2751
SLE 489

50' : 09162+2750
OCC9217

50' : 09155+2755
STF1327AB

58' : 09221+2820
GRV 786

63' : 09150+2744
SLE 482

68' : 09163+2730
SLE 484

75' : 09201+2725
SLE 491

75' : 09122+2838
CBL 274

76' : 09218+2929
CVR1216

76' : 09142+2736
SLE 479

76' : 09187+2719
SLE 490

77' : 09186+2944
HJL1054AB

80' : 09212+2728
BU 1422AB

80' : 09183+2953
TDS6456

85' : 09116+2816
SLE 477

89' : 09239+2754
STT 201AB

91' : 09115+2801
HJ 805AB



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.

09179+2834 STF 3121 AB

 
 
09h 17m 53.45s +28° 33' 37.7" P.A. 230.00 sep 0.4 mag 7.90,8.00 Sp K0 dist. 17.27 pc (56.33 l.y.)
 
 
Coord 2000 09179+2834 Discov num STF3121 Comp AB Coord arcsec 2000 09 17 53.45 +28 33 37.7
Date first 1832 Date last 2022 Obs 420
Pa first 20 Pa last 229.7 P.A. Now (θ) 236.7°
Sep first 0.9 Sep last 0.35 Sep. Now (ρ) 0.302"
Mag pri 7.90 Mag sec 8.00 delta mag (ΔM) 0.1 Spectral class K0 (yellow-orange)
Pri motion ra +053 Sec motion ra
Pri motion dec -511 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
09179+2834 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 80745 09 17 53 +28 33 38 STF 3121 AB 2022 420 230 0.4 7.90 8.00 0.10 Y <===
Show 80745 09 17 53 +28 33 38 ABT 6 AB,C 2001 3 44 173.2 7.32 12.87 5.55
Show IP Cnc 80745 09 17 53 +28 33 38 ABT 6 AB,D 2001 4 133 165.9 7.32 11.96 4.64
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name IP Cnc Constellation Cancer SAO 80745 HIP 45617
Tycho2 1957-00446-1 HD 79969 GC 12816 ADS 7284
GL Gl 340A BD BD+29 1883 Distance 17.27 Distance ly 56.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)34.17y Periastron (T)1981y Semi-major axis (a)0.68a
Eccentricity (e)0.32 Inclination (i)76° Longitude of periastron (ω)131°
Node (Ω)24° Notesn ReferenceSod1999
Equinox2000 Last observation Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 13.3 0.714
2001 15.4 0.754
2002 17.3 0.783
2003 19.0 0.800
2004 20.8 0.804
2005 22.5 0.793
2006 24.4 0.766
2007 26.4 0.722
2008 28.7 0.660
2009 31.6 0.578
2010 35.6 0.476
2011 42.2 0.356
2012 56.1 0.226
2013 99.5 0.124
2014 164.1 0.171
2015 186.4 0.294
2016 195.7 0.404
2017 201.3 0.479
2018 205.8 0.514
2019 210.0 0.514
2020 214.4 0.484
2021 219.7 0.433
2022 226.7 0.370
2023 236.7 0.302
2024 252.3 0.239
2025 276.3 0.199
2026 305.3 0.201
2027 328.7 0.244
2028 343.7 0.309
2029 353.1 0.383
2030 359.5 0.457


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


 
  


wds09179%2B2834a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 09179+2834 STF 3121 AB : NOTES
 
 
discov_num notes refcode
STF3121 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.39 +/- 0.75, 1.57, and 0.85 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
 
 
DISCOVERER
 
 
idgroup discov author
1 ABT Abetti, G.
18 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09179+2834 STF3121 AB 2005 391 205 0.8 7.90 8.00 K0 NOD 091753.42+283342.3
09179+2834 STF3121 AB 2007 392 209 0.7 7.90 8.00 K0 NOD 091753.42+283342.3
09179+2834 STF3121 AB 2009 398 214 0.5 7.90 8.00 K0 NOD 091753.45+283337.7
09179+2834 STF3121 AB 2010 404 219 0.5 7.90 8.00 K0 NOD 091753.45+283337.7
09179+2834 STF3121 AB 2017 404 205 0.5 7.90 8.00 K0 NO 091753.45+283337.7
09179+2834 STF3121 AB 2019 409 210 0.5 7.90 8.00 K0 NO 091753.45+283337.7
09179+2834 STF3121 AB 2021 419 220 0.5 7.90 8.00 K0 NO 091753.45+283337.7
09179+2834 STF3121 AB 2022 420 230 0.4 7.90 8.00 K0 NO 091753.45+283337.7

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

 
 
WDS 09179+2834 STF 3121 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09179+2834 STF 3121 AB : MEASURES
 
 
No records found.

 
 
WDS 09179+2834 : VIRTUAL EYEPIECE
 
 

09179+2834 STF3121A mag 7.9 Sp K0 09179+2834 STF3121B sep 0.3 P.A. 226.00 mag 8 09179+2834 ABT 6C sep 163.2 P.A. 40.70 mag 12.87 09179+2834 ABT 6D sep 155.3 P.A. 136.50 mag 11.96 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 09179+2834 : ALADIN DSS IMAGE @ 09h 17m 53.45s +28° 33' 37.7"
 
 
 
 
WDS 09179+2834 STF 3121 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09179+2834 STF3121AB distance=0' 09176+2833 LDS6225 distance=3' 09168+2838 SLE 487 distance=15' 09166+2853 CVR1208 distance=26' 09165+2854 SLE 485 distance=28' 09167+2811 SLE 486 distance=28' 09186+2902 GRV 783 distance=30' 09177+2803 SLE 488 distance=32' 09172+2914 SLW 344 distance=42' 09150+2816 SLE 481AB distance=42' 09150+2816 SLE 481AC distance=42' 09187+2751 SLE 489 distance=44' 09155+2755 STF1327CD distance=50' 09162+2750 OCC9217 distance=50' 09155+2755 STF1327BC distance=50' 09155+2755 STF1327AB distance=50' 09155+2755 STF1327AC distance=50' 09221+2820 GRV 786 distance=58' 09150+2744 SLE 482 distance=63' 09163+2730 SLE 484 distance=68' 09186+2944 A 221Ba,Bb distance=72' 09201+2725 SLE 491 distance=75' 09122+2838 CBL 274 distance=75' 09218+2929 CVR1216 distance=76' 09142+2736 SLE 479 distance=76' 09187+2719 SLE 490 distance=76' 09186+2944 HJL1054AB distance=77' 09212+2728 BU 1422AB distance=80' 09212+2728 HJ 810AC distance=80' 09183+2953 TDS6456 distance=80' 09116+2816 SLE 477 distance=85' 09239+2754 STT 201AB distance=89' 09239+2754 STT 201AC distance=89' 09115+2801 HJ 805AB distance=91' 09115+2801 FOX 159AC distance=91' 09236+2931 CVR1218 distance=95' 09173+2656 AZC 61 distance=98' 09136+2957 BRT 246 distance=101' 09244+2739 TDS6540 distance=103' 09164+3014 LDS3868 distance=103' 09251+2915 CTT 22 distance=104' 09150+2655 DAM1576 distance=107' 09146+2657 TDS6415 distance=107' 09104+2916 BOH 1 distance=107' 09260+2839 A 222 distance=108' 09165+3021 SKF 355 distance=109' 09188+2647 LDS6226 distance=110' 09262+2838 A 223AD distance=110' 09216+2656 AZC 62 distance=110' 09251+2933 STT 202AB distance=112' 09251+2933 BU 1423AC distance=112' 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 09179+2834 STF3121 AB 230 0.4
Show 09179+2834 ABT 6 AB,C 44 173.2
Show 09179+2834 ABT 6 AB,D 133 165.9
Show 09176+2833 LDS6225 291 8.9 3
Show 09168+2838 SLE 487 146 14.0 15
Show 09166+2853 CVR1208 90 3.3 26
Show 09165+2854 SLE 485 220 27.7 28
Show 09167+2811 SLE 486 197 12.1 28
Show 09186+2902 GRV 783 136 36.0 30
Show 09177+2803 SLE 488 226 22.8 32
Show 09172+2914 SLW 344 32 88.3 42
Show 09150+2816 SLE 481 AB 130 4.3 42
Show 09150+2816 SLE 481 AC 165 18.4 42
Show 09187+2751 SLE 489 296 12.8 44
Show 09155+2755 STF1327 CD 358 2.1 50
Show 09162+2750 OCC9217 36 0.0 50
Show 09155+2755 STF1327 BC 13 23.1 50
Show 09155+2755 STF1327 AB 32 5.3 50
Show 09155+2755 STF1327 AC 16 27.8 50
Show 09221+2820 GRV 786 127 29.7 58
Show 09150+2744 SLE 482 343 7.3 63
Show 09163+2730 SLE 484 130 9.5 68
Show 09186+2944 A 221 Ba,Bb 210 0.2 72
Show 09201+2725 SLE 491 244 28.2 75
Show 09122+2838 CBL 274 296 36.8 75
Show 09218+2929 CVR1216 218 3.2 76
Show 09142+2736 SLE 479 173 19.6 76
Show 09187+2719 SLE 490 324 25.9 76
Show 09186+2944 HJL1054 AB 213 343.4 77
Show 09212+2728 BU 1422 AB 358 1.9 80
Show 09212+2728 HJ 810 AC 26 22.2 80
Show 09183+2953 TDS6456 206 0.6 80
Show 09116+2816 SLE 477 190 26.0 85
Show 09239+2754 STT 201 AB 206 1.4 89
Show 09239+2754 STT 201 AC 317 34.0 89
Show 09115+2801 HJ 805 AB 69 8.8 91
Show 09115+2801 FOX 159 AC 334 136.5 91
Show 09236+2931 CVR1218 101 4.7 95
Show 09173+2656 AZC 61 359 33.9 98
Show 09136+2957 BRT 246 7 3.2 101
Show 09244+2739 TDS6540 114 0.5 103
Show 09164+3014 LDS3868 230 35.0 103
Show 09251+2915 CTT 22 43 89.0 104
Show 09150+2655 DAM1576 180 4.2 107
Show 09146+2657 TDS6415 66 0.7 107
Show 09104+2916 BOH 1 150 11.0 107
Show 09260+2839 A 222 4 0.4 108
Show 09165+3021 SKF 355 81 4.7 109
Show 09188+2647 LDS6226 303 76.5 110
Show 09262+2838 A 223 AD 7 2.5 110
Show 09216+2656 AZC 62 60 29.5 110

 
 
WDS 09179+2834 : COMPONENTS
 
 
  A B C
B pa=226.0°
sep=0.33"
 
C pa=40.7°
sep=163.22"
pa=40.7°
sep=163.55"
 
D pa=136.5°
sep=155.32"
pa=136.4°
sep=155.32"
pa=179.9°
sep=236.44"
 
 
09179+2834 A
 
 
Coord arcsec 2000 091753.45+283337.7 Mag 7.9 Spectral class K0 (yellow-orange) PmRA 53.00
PmDE -511.0 SAO 80745 HIP 45617 Tycho2 1957-00446-1
HD 79969 GC 12816 ADS 7284 BD BD+29 1883
Tycho2
Tycho2 1957-00446-1 Pflag RAmdeg 139.47274200 DEmdeg 28.56050842
PmRA 52.8 PmDE -510.5 E RAmdeg 5 E DEmdeg 6
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.63 EpDEm 1991.41
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.5 BTmag 8.489 E BTmag 0.016 VTmag 7.324
E VTmag 0.011 Prox 999 TYC T HIP 45617
CCDM RAdeg 139.47260750 DEdeg 28.56163417 EpRA 1990 1.94
EpDE 1990 2.06 E RAdeg 4.8 E DEdeg 5.9 Posflg
Corr 0.2
SAO
SAO 80745 DelFlag RA1950 PmRA1950 0.0052
DE1950 PmDE1950 -0.505 Vmag 7.3 SpType K0
Double code Source 70 CatNum 12816 DM BD+29 1883
DMcomp BDsup HD 79969 M HD 0
GC 12816 RA1950rad 2.42132647 DE1950rad 0.50227325 PmRA2000 0.005
PmDE2000 -0.501
Hipparcos
Catalog H HIP 45617 Proxy RAhms 09 17 53.42
DEdms +28 33 42.3 Vmag 7.2 VarFlag R Vmag H
RAdeg 139.473 DEdeg 28.5618 AstroRef Plx 57.05
CCDM 09179+2834 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 79969 BD BD+29 1883
CD CP Dm number +29 1883 VIred 0.9
SpType K3V R SpType Coord arcsec 2000 091753.42+283342.3
Hipparcos 2
HIP 45617 Sn 5 So 0 Nc 1
RArad 2.434256026 DErad 0.4984965913 Plx 57.92 PmRA 49.09
PmDE -507.37 E RArad 0.69 E DErad 0.44 E Plx 0.76
E pmRA 0.86 E pmDE 0.46 Hpmag 7.3479 E Hpmag 0.0017
SHp 0.01 VA 0 BV 0.992 E BV 0.001
VI 0.9
CCDM
Ccdm 09179+2834 RComp Comp A Note1
Note2 Discov num DRAs -0.59 DDEs -22.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp K0 PmNote *
PmRA 47 PmDE -512 Dm number +29 1883 Cat1 BD
Name2 +28 993 Cat2 AGK2/3 HD 79969 M HD
ADS BDS A 7284 M ADS BDS N IDS IDS 09120N2900A
HIC 45617
 
 
09179+2834 B
 
 
Coord arcsec 2000 091753.43+283337.5 Mag 8 Calc delta mag 0.1 Calc coord yes
CCDM
Ccdm 09179+2834 RComp Comp B Note1 *
Note2 Discov num STF3121 DRAs DDEs
R dRAs Year 1832 Theta Rho
Obs 99 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7284 M ADS BDS N IDS IDS 09120N2900B
HIC 45617
 
 
09179+2834 C
 
 
Coord arcsec 2000 091801.53+283541.5 Mag 12.87 PmRA -5.00 PmDE -5.0
Calc delta mag 4.97 Calc coord yes
 
 
09179+2834 D
 
 
Coord arcsec 2000 091801.56+283145.0 Mag 11.96 PmRA -14.00 PmDE -13.0
Tycho2 1957-01141-1 Calc delta mag 4.06 Calc coord yes
Tycho2
Tycho2 1957-01141-1 Pflag RAmdeg 139.51124335 DEmdeg 28.52909496
PmRA -15.4 PmDE -12.8 E RAmdeg 70 E DEmdeg 91
E pmRA 2.2 E pmDE 2.3 EpRAm 1978.72 EpDEm 1968.82
Num 4 Q RAmdeg 0.4 Q DEmdeg 0.4 Q pmRA 0.4
Q pmDE 0.3 BTmag 12.265 E BTmag 0.184 VTmag 11.960
E VTmag 0.200 Prox 999 TYC HIP
CCDM RAdeg 139.51128250 DEdeg 28.52912278 EpRA 1990 1.97
EpDE 1990 2.15 E RAdeg 75.9 E DEdeg 105.8 Posflg
Corr 0.3