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Doubles in session


Current system
09273+0614
STF 1355
HD 81670


Nearby doubles
18' : 09268+0558
A 2755

21' : 09266+0632
BU 589

43' : 09245+0621
STF1348AB

53' : 09301+0543
CBL 282

54' : 09261+0704
GWP1173

56' : 09251+0528
LEP 35

78' : 09270+0456
GWP1178

87' : 09228+0519
HJ 133

101' : 09226+0725
A 2977

104' : 09250+0436
GWP1168

105' : 09203+0559
LNV 1

108' : 09297+0433
HJ 137

112' : 09199+0633
GTZ 1

117' : 09195+0607
HJ 129

119' : 09285+0811
H 4 47

124' : 09279+0818
A 2978

124' : 09345+0716
GWP1197

125' : 09204+0502
SLW 350

126' : 09303+0417
BAL2836

128' : 09349+0515
A 2757

130' : 09262+0823
CHE 136

132' : 09200+0500
STF1343

134' : 09273+0400
UC 1791

136' : 09360+0535
KPP 195

139' : 09256+0358
BAL2835

141' : 09205+0752
BRT2148



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.

09273+0614 STF 1355 (HD 81670)

 
 
09h 27m 16.69s +06° 13' 59.0" P.A. 356.00 sep 1.7 mag 7.71,7.76 Sp F7V dist. 54.32 pc (177.19 l.y.)
 
 
Coord 2000 09273+0614 Discov num STF1355 Comp Coord arcsec 2000 09 27 16.69 +06 13 59.0
Date first 1822 Date last 2021 Obs 184
Pa first 328 Pa last 356 P.A. Now (θ) 356°
Sep first 2.7 Sep last 1.738 Sep. Now (ρ) 1.738"
Mag pri 7.71 Mag sec 7.76 delta mag (ΔM) 0.05 Spectral class F7V (yellow-white)
Pri motion ra -178 Sec motion ra -178
Pri motion dec -151 Sec motion dec -151
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 81670 Constellation Hydra SAO 117704 HIP 46367
Tycho2 0234-00650-1 Gaia DR2 586050112901137920 HD 81670 GC 13034
ADS 7380 BD BD+06 2177 Distance 54.32 Distance ly 177.19
 
 
ORBITAL ELEMENTS
 
 
Period (P)1073.7339y± 484.3263 Periastron (T)2082.534y± 38.8493 Semi-major axis (a)3.32815a± 1.19798
Eccentricity (e)0.89032± 0.22301 Inclination (i)60.16°± 9.971 Longitude of periastron (ω)93.875°± 20.929
Node (Ω)23.83°± 122.349 Notes ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 350.7 1.944
2001 350.9 1.934
2002 351.1 1.924
2003 351.4 1.914
2004 351.6 1.904
2005 351.8 1.894
2006 352.1 1.884
2007 352.3 1.873
2008 352.5 1.863
2009 352.8 1.852
2010 353.0 1.842
2011 353.3 1.831
2012 353.5 1.820
2013 353.8 1.809
2014 354.0 1.798
2015 354.3 1.786
2016 354.6 1.775
2017 354.8 1.763
2018 355.1 1.752
2019 355.4 1.740
2020 355.7 1.728
2021 356.0 1.715
2022 356.2 1.703
2023 356.5 1.691
2024 356.8 1.678
2025 357.1 1.665
2026 357.4 1.652
2027 357.8 1.639
2028 358.1 1.625
2029 358.4 1.612
2030 358.7 1.598


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


 
  


wds09273%2B0614b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 09273+0614 STF 1355 (HD 81670) : 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
09273+0614 STF1355 2004 178 352 1.9 7.71 7.76 F7V D 092716.69+061359.0
09273+0614 STF1355 2009 181 353 1.9 7.71 7.76 F7V D 092716.69+061359.0
09273+0614 STF1355 2013 184 354 1.8 7.71 7.76 F7V OD 092716.69+061359.0
09273+0614 STF1355 2014 172 354 1.8 7.71 7.76 F7V OD 092716.69+061359.0
09273+0614 STF1355 2016 176 355 1.7 7.71 7.76 F7V O 092716.69+061359.0
09273+0614 STF1355 2017 179 355 1.8 7.71 7.76 F7V O 092716.69+061359.0
09273+0614 STF1355 2018 182 357 1.8 7.71 7.76 F7V O 092716.69+061359.0
09273+0614 STF1355 2021 184 356 1.7 7.71 7.76 F7V O 092716.69+061359.0

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

 
 
WDS 09273+0614 STF 1355 (HD 81670) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09273+0614 STF 1355 (HD 81670) : MEASURES
 
 
No records found.

 
 
WDS 09273+0614 (HD 81670) : VIRTUAL EYEPIECE
 
 

09273+0614 STF1355A mag 7.71 Sp F7V 09273+0614 STF1355B sep 1.7 P.A. 356.00 mag 7.76 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 09273+0614 (HD 81670) : ALADIN DSS IMAGE @ 09h 27m 16.69s +06° 13' 59.0"
 
 
 
 
WDS 09273+0614 STF 1355 (HD 81670) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09273+0614 STF1355 distance=0' 09268+0558 A 2755 distance=18' 09266+0632 BU 589 distance=21' 09245+0621 STF1348AB distance=43' 09245+0621 LDS3888AC distance=43' 09245+0621 NSN 594CD distance=44' 09301+0543 CBL 282 distance=53' 09261+0704 GWP1173 distance=54' 09251+0528 LEP 35 distance=56' 09270+0456 GWP1178 distance=78' 09228+0519 HJ 133 distance=87' 09226+0725 A 2977 distance=101' 09250+0436 GWP1168 distance=104' 09203+0559 LNV 1 distance=105' 09297+0433 HJ 137 distance=108' 09199+0633 GTZ 1 distance=112' 09195+0607 HJ 129 distance=117' 09285+0811 H 4 47 distance=119' 09279+0818 A 2978 distance=124' 09345+0716 GWP1197 distance=124' 09204+0502 SLW 350 distance=125' 09303+0417 BAL2836 distance=126' 09349+0515 A 2757 distance=128' 09262+0823 CHE 136 distance=130' 09200+0500 STF1343 distance=132' 09273+0400 UC 1791 distance=134' 09360+0535 KPP 195 distance=136' 09256+0358 BAL2835 distance=139' 09205+0752 BRT2148 distance=141' 09197+0444 LDS3876 distance=145' 09329+0415 HJ 139 distance=146' 09292+0350 GWP1183 distance=147' 09261+0842 CHE 135 distance=149' 09207+0810 A 2976AB distance=152' 09207+0810 A 2976BC distance=152' 09276+0342 KPP 193 distance=153' 09209+0816 DAM1601 distance=155' 09371+0522 HJ 140 distance=156' 09366+0503 A 2758 distance=156' 09378+0612 GWP1206 distance=157' 09373+0701 HEI 751 distance=158' 09347+0811 OCC 385 distance=161' 09312+0845 CHE 140 distance=162' 09204+0409 BAL2834 distance=163' 09171+0717 STTA 98BC distance=163' 09171+0717 STTA 98AB distance=164' 09276+0858 HEI 489 distance=164' 09252+0333 CVR 531 distance=165' 09162+0610 SLW 339 distance=165' 09325+0840 SLW 364 distance=166' 09276+0901 SLW 357 distance=167' 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 09273+0614 STF1355 356 1.7
Show 09268+0558 A 2755 122 2.1 18
Show 09266+0632 BU 589 219 3.1 21
Show 09245+0621 STF1348 AB 314 2.0 43
Show 09245+0621 LDS3888 AC 325 123.1 43
Show 09245+0621 NSN 594 CD 22 1.8 44
Show 09301+0543 CBL 282 204 11.1 53
Show 09261+0704 GWP1173 252 541.5 54
Show 09251+0528 LEP 35 68 13.4 56
Show 09270+0456 GWP1178 94 8.5 78
Show 09228+0519 HJ 133 316 16.8 87
Show 09226+0725 A 2977 267 1.6 101
Show 09250+0436 GWP1168 235 12.7 104
Show 09203+0559 LNV 1 232 14.9 105
Show 09297+0433 HJ 137 353 18.5 108
Show 09199+0633 GTZ 1 84 16.1 112
Show 09195+0607 HJ 129 244 10.0 117
Show 09285+0811 H 4 47 80 25.2 119
Show 09279+0818 A 2978 102 1.3 124
Show 09345+0716 GWP1197 104 30.7 124
Show 09204+0502 SLW 350 27 10.7 125
Show 09303+0417 BAL2836 50 5.9 126
Show 09349+0515 A 2757 50 0.3 128
Show 09262+0823 CHE 136 143 20.8 130
Show 09200+0500 STF1343 275 9.1 132
Show 09273+0400 UC 1791 206 37.3 134
Show 09360+0535 KPP 195 204 3.7 136
Show 09256+0358 BAL2835 92 8.8 139
Show 09205+0752 BRT2148 37 3.3 141
Show 09197+0444 LDS3876 114 12.6 145
Show 09329+0415 HJ 139 233 31.1 146
Show 09292+0350 GWP1183 228 37.9 147
Show 09261+0842 CHE 135 116 2.7 149
Show 09207+0810 A 2976 AB 237 28.6 152
Show 09207+0810 A 2976 BC 137 1.0 152
Show 09276+0342 KPP 193 105 3.6 153
Show 09209+0816 DAM1601 317 13.8 155
Show 09371+0522 HJ 140 269 29.2 156
Show 09366+0503 A 2758 208 0.3 156
Show 09378+0612 GWP1206 69 77.2 157
Show 09373+0701 HEI 751 155 2.0 158
Show 09347+0811 OCC 385 -1 0.5 161
Show 09312+0845 CHE 140 203 25.1 162
Show 09204+0409 BAL2834 4 19.1 163
Show 09171+0717 STTA 98 BC 89 147.5 163
Show 09171+0717 STTA 98 AB 170 107.2 164
Show 09276+0858 HEI 489 183 0.6 164
Show 09252+0333 CVR 531 124 28.6 165
Show 09162+0610 SLW 339 9 106.3 165
Show 09325+0840 SLW 364 213 132.3 166
Show 09276+0901 SLW 357 51 20.4 167

 
 
WDS 09273+0614 : COMPONENTS
 
 
  A
B pa=356.0°
sep=1.74"
 
 
09273+0614 A
 
 
Componente originario normalizzato AB Name HD 81670 Coord arcsec 2000 092716.69+061359.0 Mag 7.71
Spectral class F7V (yellow-white) PmRA -178.00 PmDE -151.0 SAO 117704
HIP 46367 Tycho2 0234-00650-1 HD 81670 GC 13034
BD BD+06 2177
Tycho2
Tycho2 0234-00650-1 Pflag P RAmdeg 141.81956068 DEmdeg 6.23306342
PmRA -178.3 PmDE -151.0 E RAmdeg 6 E DEmdeg 8
E pmRA 2.5 E pmDE 2.4 EpRAm 1991.71 EpDEm 1991.55
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.2 BTmag 8.232 E BTmag 0.018 VTmag 7.712
E VTmag 0.014 Prox 20 TYC T HIP 46367
CCDM A RAdeg 141.82002444 DEdeg 6.23315778 EpRA 1990 1.78
EpDE 1990 1.69 E RAdeg 6.1 E DEdeg 8.2 Posflg D
Corr 0.1
SAO
SAO 117704 DelFlag RA1950 PmRA1950 -0.0124
DE1950 PmDE1950 -0.157 Vmag 6.7 SpType F5
Double code Source 70 CatNum 13034 DM BD+06 2177
DMcomp BDsup HD 81670 M HD 0
GC 13034 RA1950rad 2.46373905 DE1950rad 0.11262485 PmRA2000 -0.0123
PmDE2000 -0.153
Hipparcos
Catalog H HIP 46367 Proxy H RAhms 09 27 16.81
DEdms +06 13 59.4 Vmag 6.9 VarFlag R Vmag G
RAdeg 141.82 DEdeg 6.23317 AstroRef A Plx 20.41
CCDM 09273+0614 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 349 Rho 2.038 HD 81670 BD BD+06 2177
CD CP Dm number +06 2177 VIred 0.9
SpType F5 R SpType Coord arcsec 2000 092716.81+061359.4
Hipparcos 2
HIP 46367 Sn 15 So 3 Nc 2
RArad 2.4752268235 DErad 0.1087894297 Plx 18.41 PmRA -180.56
PmDE -143.49 E RArad 1.59 E DErad 0.9 E Plx 1.23
E pmRA 1.95 E pmDE 1.05 Hpmag 7.0159 E Hpmag 0.0025
SHp 0.01 VA 0 BV 0.519 E BV 0.001
VI 0.59
CCDM
Ccdm 09273+0614 RComp Comp A Note1
Note2 Discov num DRAs -1.28 DDEs -0.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp F5 PmNote *
PmRA -162 PmDE -147 Dm number +06 2177 Cat1 BD
Name2 +06 1224 Cat2 AGK2/3 HD 81670 M HD
ADS BDS A 7380 M ADS BDS N IDS IDS 09220N0640A
HIC 46367
 
 
09273+0614 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 092716.68+061400.7 Mag 7.76 PmRA -178.00
PmDE -151.0 HIP 46367 Tycho2 0234-00650-2 Calc delta mag 0.05
Calc coord yes
Tycho2
Tycho2 0234-00650-2 Pflag P RAmdeg 141.81956068 DEmdeg 6.23306342
PmRA -178.3 PmDE -151.0 E RAmdeg 6 E DEmdeg 8
E pmRA 2.5 E pmDE 2.4 EpRAm 1991.71 EpDEm 1991.55
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.2 BTmag 8.324 E BTmag 0.019 VTmag 7.760
E VTmag 0.014 Prox 20 TYC T HIP 46367
CCDM B RAdeg 141.81990667 DEdeg 6.23370972 EpRA 1990 1.79
EpDE 1990 1.68 E RAdeg 6.6 E DEdeg 8.7 Posflg D
Corr 0.1
Hipparcos
Catalog H HIP 46367 Proxy H RAhms 09 27 16.81
DEdms +06 13 59.4 Vmag 6.9 VarFlag R Vmag G
RAdeg 141.82 DEdeg 6.23317 AstroRef A Plx 20.41
CCDM 09273+0614 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 349 Rho 2.038 HD 81670 BD BD+06 2177
CD CP Dm number +06 2177 VIred 0.9
SpType F5 R SpType Coord arcsec 2000 092716.81+061359.4
Hipparcos 2
HIP 46367 Sn 15 So 3 Nc 2
RArad 2.4752268235 DErad 0.1087894297 Plx 18.41 PmRA -180.56
PmDE -143.49 E RArad 1.59 E DErad 0.9 E Plx 1.23
E pmRA 1.95 E pmDE 1.05 Hpmag 7.0159 E Hpmag 0.0025
SHp 0.01 VA 0 BV 0.519 E BV 0.001
VI 0.59
CCDM
Ccdm 09273+0614 RComp Comp B Note1
Note2 Discov num STF1355 DRAs DDEs
R dRAs Year 1957 Theta 345 Rho 2.5
Obs 99 Vmag 7.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7380 M ADS BDS N IDS IDS 09220N0640B
HIC 46367