09174+2339 STF 1332 (HD 79872)

 
 
09h 17m 19.21s +23° 39' 09.8" P.A. 29.00 sep 5.9 mag 7.87,8.12 Sp F6V+F7V dist. 71.28 pc (232.52 l.y.)
 
 
Coord 2000 09174+2339 Discov num STF1332 Comp Coord arcsec 2000 09 17 19.21 +23 39 09.8
Date first 1822 Date last 2019 Obs 145
Pa first 14 Pa last 29.4 P.A. Now (θ) 29.4°
Sep first 5.5 Sep last 5.933 Sep. Now (ρ) 5.933"
Mag pri 7.87 Mag sec 8.12 delta mag (ΔM) 0.25 Spectral class F6V+F7V (yellow-white/yellow-white)
Pri motion ra -046 Sec motion ra -046
Pri motion dec -067 Sec motion dec -067
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 79872 Constellation Cancer SAO 80738 HIP 45574
Tycho2 1951-01947-1 Gaia DR2 687376019276147968 HD 79872 GC 12804
ADS 7281 BD BD+24 2068 Distance 71.28 Distance ly 232.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)3395.218y± 1537.5039 Periastron (T)1500.7561y± 757.5483 Semi-major axis (a)9.86671a± 4.37108
Eccentricity (e)0.78632± 0.15608 Inclination (i)69.468°± 9.975 Longitude of periastron (ω)97.588°± 15.114
Node (Ω)172.468°± 107.435 Notes ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 28.1 5.894
2001 28.1 5.894
2002 28.2 5.895
2003 28.3 5.895
2004 28.3 5.896
2005 28.4 5.896
2006 28.4 5.896
2007 28.5 5.897
2008 28.6 5.897
2009 28.6 5.898
2010 28.7 5.898
2011 28.8 5.898
2012 28.8 5.899
2013 28.9 5.899
2014 29.0 5.899
2015 29.0 5.900
2016 29.1 5.900
2017 29.2 5.900
2018 29.2 5.901
2019 29.3 5.901
2020 29.3 5.901
2021 29.4 5.901
2022 29.5 5.902
2023 29.5 5.902
2024 29.6 5.902
2025 29.7 5.903
2026 29.7 5.903
2027 29.8 5.903
2028 29.9 5.903
2029 29.9 5.904
2030 30.0 5.904


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



 
 


wds09174%2B2339a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 09174+2339 STF 1332 (HD 79872) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 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
09174+2339 STF1332 2007 117 29 5.9 7.87 8.12 F6V F7V D 091719.21+233909.8
09174+2339 STF1332 2011 123 29 6.1 7.87 8.12 F6V F7V D 091719.21+233909.8
09174+2339 STF1332 2013 126 29 5.8 7.87 8.12 F6V F7V D 091719.21+233909.8
09174+2339 STF1332 2015 135 29 5.9 7.87 8.12 F6V+F7V 091719.21+233909.8
09174+2339 STF1332 2019 143 29 5.9 7.87 8.12 F6V+F7V O 091719.21+233909.8

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

 
 
WDS 09174+2339 STF 1332 (HD 79872) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09174+2339 STF 1332 (HD 79872) : MEASURES
 
 
No records found.

 
 
WDS 09174+2339 (HD 79872) : VIRTUAL EYEPIECE
 
 

09174+2339 STF1332A mag 7.87 Sp F6V 09174+2339 STF1332B sep 5.8 P.A. 27.30 mag 8.12 Sp F7V virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 09174+2339 (HD 79872) : ALADIN DSS IMAGE @ 09h 17m 19.21s +23° 39' 09.8"
 
 
 
 
WDS 09174+2339 STF 1332 (HD 79872) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


09174+2339  STF1332 distance=0' 09173+2350  SLW 345 distance=12' 09168+2355  POU3039 distance=18' 09171+2400  CVR 527 distance=21' 09162+2324  STT 198 distance=22' 09165+2403  POU3038 distance=27' 09154+2346  A  1979 distance=28' 09152+2323  BUP 127AB distance=35' 09152+2323  STT 570AC distance=35' 09154+2301  BRT2399 distance=47' 09154+2409  POU3037 distance=47' 09196+2415  A  1984 distance=49' 09189+2255  HO  364 distance=50' 09197+2417  SLW 347 distance=51' 09159+2431  COU 934Aa,Ab distance=56' 09159+2431  A  1980AB distance=56' 09136+2403  AG  163 distance=57' 09154+2248  A  2136 distance=57' 09215+2333  ZHN  12 distance=58' 09168+2438  A  1983 distance=60' 09125+2354  POU3032 distance=69' 09131+2417  DAM1566 distance=69' 09129+2420  TDS6396Aa,Ab distance=74' 09129+2420  BRT 155AB distance=74' 09134+2246  POU3035 distance=76' 09119+2357  AZC  59 distance=77' 09201+2451  TDS6480 distance=82' 09213+2444  FMR  86 distance=85' 09155+2216  TDS6425 distance=87' 09239+2336  POU3041 distance=90' 09238+2324  LDS3885 distance=92' 09141+2504  AZC  60 distance=97' 09117+2227  LDS3860 distance=105' 09142+2518  FAL  27 distance=108' 09248+2306  POU3042 distance=109' 09095+2404  LDS3858 distance=111' 09243+2439  RAO 235 distance=113' 09231+2218  HDS1348 distance=114' 09205+2525  TDS6490 distance=115' 09175+2144  SKF1718 distance=116' 09088+2342  KPP1532 distance=117' 09136+2526  A  1978 distance=119' 09088+2325  POU3030 distance=119' 09181+2537  LAS  11 distance=119' 09091+2420  POU3031 distance=120' 09120+2514  TDS6388 distance=120' 09233+2211  AG  165 distance=122' 09164+2540  FMR  85 distance=122' 09101+2229  TDS6368 distance=122' 09186+2134  ALP  15AB distance=127' 09186+2134  ALP  15AC distance=127' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 09174+2339 STF1332 29 5.9
Show 09173+2350 SLW 345 193 112.5 12
Show 09168+2355 POU3039 198 5.2 18
Show 09171+2400 CVR 527 15 12.2 21
Show 09162+2324 STT 198 115 14.8 22
Show 09165+2403 POU3038 23 3.8 27
Show 09154+2346 A 1979 170 0.3 28
Show 09152+2323 BUP 127 AB 171 60.0 35
Show 09152+2323 STT 570 AC 78 75.1 35
Show 09154+2301 BRT2399 241 4.2 47
Show 09154+2409 POU3037 285 7.2 47
Show 09196+2415 A 1984 9 0.1 49
Show 09189+2255 HO 364 336 4.1 50
Show 09197+2417 SLW 347 27 15.4 51
Show 09159+2431 COU 934 Aa,Ab 175 0.3 56
Show 09159+2431 A 1980 AB 231 1.6 56
Show 09136+2403 AG 163 320 5.1 57
Show 09154+2248 A 2136 114 1.8 57
Show 09215+2333 ZHN 12 180 372.8 58
Show 09168+2438 A 1983 239 1.3 60
Show 09125+2354 POU3032 114 14.3 69
Show 09131+2417 DAM1566 183 3.3 69
Show 09129+2420 TDS6396 Aa,Ab 303 0.2 74
Show 09129+2420 BRT 155 AB 270 4.6 74
Show 09134+2246 POU3035 155 13.2 76
Show 09119+2357 AZC 59 47 17.1 77
Show 09201+2451 TDS6480 256 0.5 82
Show 09213+2444 FMR 86 42 7.1 85
Show 09155+2216 TDS6425 91 0.4 87
Show 09239+2336 POU3041 60 6.6 90
Show 09238+2324 LDS3885 108 42.8 92
Show 09141+2504 AZC 60 28 16.2 97
Show 09117+2227 LDS3860 277 200.0 105
Show 09142+2518 FAL 27 250 9.7 108
Show 09248+2306 POU3042 275 10.8 109
Show 09095+2404 LDS3858 270 2.0 111
Show 09243+2439 RAO 235 234 1.6 113
Show 09231+2218 HDS1348 343 8.3 114
Show 09205+2525 TDS6490 107 0.5 115
Show 09175+2144 SKF1718 347 1.7 116
Show 09088+2342 KPP1532 272 11.6 117
Show 09136+2526 A 1978 324 0.3 119
Show 09088+2325 POU3030 50 8.2 119
Show 09181+2537 LAS 11 69 11.6 119
Show 09091+2420 POU3031 174 5.4 120
Show 09120+2514 TDS6388 102 0.4 120
Show 09233+2211 AG 165 16 1.4 122
Show 09164+2540 FMR 85 334 44.2 122
Show 09101+2229 TDS6368 44 0.6 122
Show 09186+2134 ALP 15 AB 251 22.9 127
Show 09186+2134 ALP 15 AC 345 25.9 127

 
 
WDS 09174+2339 : COMPONENTS
 
 
  A
B pa=27.3°
sep=5.82"
 
 
09174+2339 A
 
 
Componente originario normalizzato AB Name HD 79872 Coord arcsec 2000 091719.21+233909.8 Mag 7.87
Spectral class F6V (yellow-white) PmRA -46.00 PmDE -67.0 SAO 80738
HIP 45574 Tycho2 1951-01947-1 HD 79872 GC 12804
BD BD+24 2068
Tycho2
Tycho2 1951-01947-1 Pflag RAmdeg 139.33004862 DEmdeg 23.65272417
PmRA -48.1 PmDE -64.8 E RAmdeg 4 E DEmdeg 6
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.68 EpDEm 1991.02
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.6
Q pmDE 1.2 BTmag 8.399 E BTmag 0.017 VTmag 7.866
E VTmag 0.012 Prox 59 TYC T HIP 45574
CCDM A RAdeg 139.33016806 DEdeg 23.65287889 EpRA 1990 1.81
EpDE 1990 1.41 E RAdeg 4.4 E DEdeg 6.4 Posflg
Corr 0.4
SAO
SAO 80738 DelFlag RA1950 PmRA1950 -0.0036
DE1950 PmDE1950 -0.073 Vmag 7.8 SpType F5
Double code Source 70 CatNum 12804 DM BD+24 2068
DMcomp A BDsup HD 79872 M HD 1
GC 12804 RA1950rad 2.41919467 DE1950rad 0.41649695 PmRA2000 -0.0037
PmDE2000 -0.069
Hipparcos
Catalog H HIP 45574 Proxy H RAhms 09 17 19.24
DEdms +23 39 10.4 Vmag 7.32 VarFlag R Vmag H
RAdeg 139.33 DEdeg 23.6529 AstroRef A Plx 15.01
CCDM 09173+2339 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 28 Rho 5.898 HD 79872 BD BD+24 2068
CD CP Dm number +24 2068 VIred 0.53
SpType F5... R SpType Coord arcsec 2000 091719.24+233910.4
Hipparcos 2
HIP 45574 Sn 15 So 3 Nc 2
RArad 2.4317704271 DErad 0.4128205928 Plx 14.03 PmRA -46.35
PmDE -66.9 E RArad 0.88 E DErad 0.52 E Plx 0.94
E pmRA 1.05 E pmDE 0.43 Hpmag 7.435 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.512 E BV 0.015
VI 0.58
 
 
09174+2339 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 091719.40+233915.0 Mag 8.12 Spectral class F7V (yellow-white)
PmRA -46.00 PmDE -67.0 Tycho2 1951-01714-1 Calc delta mag 0.25
Calc coord yes
Tycho2
Tycho2 1951-01714-1 Pflag RAmdeg 139.33089964 DEmdeg 23.65417204
PmRA -39.8 PmDE -66.0 E RAmdeg 5 E DEmdeg 7
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.62 EpDEm 1991.01
Num 8 Q RAmdeg 0.8 Q DEmdeg 2.4 Q pmRA 0.8
Q pmDE 2.5 BTmag 8.684 E BTmag 0.017 VTmag 8.121
E VTmag 0.012 Prox 59 TYC T HIP 45574
CCDM B RAdeg 139.33099861 DEdeg 23.65432889 EpRA 1990 1.81
EpDE 1990 1.44 E RAdeg 4.8 E DEdeg 7.3 Posflg
Corr 0.4