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Doubles in session


Current system
08542+3035
STF 1291 AB


Nearby doubles
41' : 08516+3057
TDS6143

42' : 08510+3038
SEI 512

46' : 08510+3054
HJ 459

51' : 08519+2955
TDS6148AB

53' : 08580+3014
HO 252

58' : 08514+3118
DAM1494

58' : 08498+3045
SEI 510AB

62' : 08509+3118
DAM1491

63' : 08510+3122
DAM1492AB

65' : 08510+3124
HO 40AB

66' : 08530+2932
NI 22

69' : 08498+3113
SEI 509

72' : 08553+3145
KPP1818

73' : 08491+3005
CRB 78

83' : 09003+3005
LDS3841

87' : 08537+2909
COU1251

88' : 08571+2915
CVR1181

90' : 08488+3130
SKF 730

93' : 08572+3159
CVR1182

94' : 08525+2904
SLW 309

94' : 09000+2938
SKF 493

96' : 08582+2914
SKF 757

97' : 08468+3025
CRB 77

102' : 08591+3155
TOK 522

103' : 08595+2918
LAW 16

108' : 09023+3008
RAO 646



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.

08542+3035 STF 1291 AB

 
 
08h 54m 14.65s +30° 34' 45.8" P.A. 310.00 sep 1.5 mag 6.09,6.37 Sp G7III dist. 141.44 pc (461.38 l.y.)
 
 
Coord 2000 08542+3035 Discov num STF1291 Comp AB Coord arcsec 2000 08 54 14.65 +30 34 45.8
Date first 1782 Date last 2019 Obs 296
Pa first 338 Pa last 310.2 P.A. Now (θ) 310.2°
Sep first 0.9 Sep last 1.51 Sep. Now (ρ) 1.51"
Mag pri 6.09 Mag sec 6.37 delta mag (ΔM) 0.28 Spectral class G7III (yellow)
Pri motion ra +039 Sec motion ra +039
Pri motion dec -026 Sec motion dec -026
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
08542+3035 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 61125 08 54 15 +30 34 46 STF 1291 AB 2019 296 310 1.5 6.09 6.37 0.28 Y <===
Show HD 75959 61125 08 54 15 +30 34 46 STF 1291 AB,C 2015 8 204 54.6 5.47 9.20 3.73
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer SAO 61125 HIP 43721 Tycho2 2485-02096-1
Gaia DR2 705832623326195456 HD 75959 HR 3532 GC 12289
ADS 7071 BD BD+31 1907 Flamsteed 57 Cancri Flamsteed name 57 Cnc
Distance 141.44 Distance ly 461.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)2336.1456y± 1045.0514 Periastron (T)2351.9359y± 671.3998 Semi-major axis (a)3.61518a± 1.93444
Eccentricity (e)0.79596± 0.15789 Inclination (i)104.575°± 8.536 Longitude of periastron (ω)254.31°± 24.459
Node (Ω)91.152°± 46.749 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 311.9 1.510
2001 311.7 1.511
2002 311.6 1.512
2003 311.5 1.513
2004 311.3 1.514
2005 311.2 1.515
2006 311.1 1.516
2007 310.9 1.517
2008 310.8 1.518
2009 310.7 1.519
2010 310.5 1.520
2011 310.4 1.521
2012 310.3 1.522
2013 310.1 1.523
2014 310.0 1.524
2015 309.9 1.526
2016 309.7 1.527
2017 309.6 1.528
2018 309.5 1.529
2019 309.3 1.530
2020 309.2 1.531
2021 309.1 1.532
2022 309.0 1.533
2023 308.8 1.534
2024 308.7 1.535
2025 308.6 1.536
2026 308.4 1.537
2027 308.3 1.538
2028 308.2 1.539
2029 308.0 1.540
2030 307.9 1.541


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


 
  


wds08542%2B3035a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08542+3035 STF 1291 AB : NOTES
 
 
discov_num notes refcode
STF1291 Mt. Wilson spectral types G7,K0.
AB: H 1 30. MEv2010
 
 
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.)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
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
08542+3035 STF1291 AB 2007 275 311 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2008 280 312 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2011 291 310 1.4 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2012 292 310 1.6 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2013 294 311 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2014 276 312 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2015 280 311 1.5 6.09 6.37 G7III N 085414.65+303445.8
08542+3035 STF1291 AB 2016 285 310 1.6 6.09 6.37 G7III NV 085414.65+303445.8
08542+3035 STF1291 AB 2017 287 310 1.5 6.09 6.37 G7III NV 085414.65+303445.8
08542+3035 STF1291 AB 2019 290 309 1.6 6.09 6.37 G7III NV 085414.65+303445.8

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

 
 
WDS 08542+3035 STF 1291 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08542+3035 STF 1291 AB : MEASURES
 
 
No records found.

 
 
WDS 08542+3035 : VIRTUAL EYEPIECE
 
 

08542+3035 STF1291A mag 6.09 Sp G7III 08542+3035 STF1291B sep 1.4 P.A. 314.50 mag 6.37 08542+3035 STF1291C sep 53.4 P.A. 200.90 mag 9.2 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 08542+3035 : ALADIN DSS IMAGE @ 08h 54m 14.65s +30° 34' 45.8"
 
 
 
 
WDS 08542+3035 STF 1291 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08542+3035 STF1291AB distance=0' 08516+3057 TDS6143 distance=41' 08510+3038 SEI 512 distance=42' 08510+3054 HJ 459 distance=46' 08519+2955 TDS6148AB distance=51' 08519+2955 DAM1495AB,C distance=51' 08580+3014 HO 252 distance=53' 08514+3118 DAM1494 distance=58' 08498+3045 SEI 510AB distance=58' 08498+3045 BKO 398BC distance=59' 08509+3118 DAM1491 distance=62' 08510+3122 DAM1492AB distance=63' 08510+3122 DAM1492AC distance=63' 08510+3124 HO 40AB distance=65' 08510+3124 HO 40AC distance=65' 08530+2932 NI 22 distance=66' 08498+3113 SEI 509 distance=69' 08553+3145 KPP1818 distance=72' 08491+3005 CRB 78 distance=73' 09003+3005 LDS3841 distance=83' 08537+2909 COU1251 distance=87' 08571+2915 CVR1181 distance=88' 08488+3130 SKF 730 distance=90' 08572+3159 CVR1182 distance=93' 08525+2904 SLW 309 distance=94' 09000+2938 SKF 493 distance=94' 08582+2914 SKF 757 distance=96' 08468+3025 CRB 77 distance=97' 08591+3155 TOK 522 distance=102' 08595+2918 LAW 16 distance=103' 09023+3008 RAO 646 distance=108' 09024+3101 SKF 864 distance=109' 09007+3148 SLW 322 distance=111' 08475+2925 SKF 725 distance=113' 08459+3107 NI 21AB distance=113' 08477+2920 RAO 228 distance=113' 08459+3107 VVO 20BC distance=113' 08526+3228 HU 1125AB distance=116' 08526+3228 S 583AC distance=116' 08526+3228 WAL 55AD distance=116' 08504+2849 AZC 58 distance=118' 09024+3128 SEI 514 distance=118' 08599+3207 DVG 25 distance=118' 08489+2859 TOK 267 distance=119' 09002+3206 DVG 26AB distance=120' 09002+3206 DAM1516AC distance=120' 08590+2845 CVR1183 distance=120' 08587+3222 DJU 1 distance=122' 09007+3208 COU1253AB distance=125' 09007+3208 COU1253AC distance=125' 08444+3029 HJ 455 distance=128' 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 08542+3035 STF1291 AB 310 1.5
Show 08542+3035 STF1291 AB,C 204 54.6
Show 08516+3057 TDS6143 115 0.6 41
Show 08510+3038 SEI 512 167 6.0 42
Show 08510+3054 HJ 459 76 11.8 46
Show 08519+2955 TDS6148 AB 68 0.7 51
Show 08519+2955 DAM1495 AB,C 36 35.3 51
Show 08580+3014 HO 252 38 0.1 53
Show 08514+3118 DAM1494 185 26.7 58
Show 08498+3045 SEI 510 AB 322 21.7 58
Show 08498+3045 BKO 398 BC 308 6.9 59
Show 08509+3118 DAM1491 241 8.7 62
Show 08510+3122 DAM1492 AB 212 2.2 63
Show 08510+3122 DAM1492 AC 21 10.7 63
Show 08510+3124 HO 40 AB 279 0.9 65
Show 08510+3124 HO 40 AC 140 38.0 65
Show 08530+2932 NI 22 337 4.1 66
Show 08498+3113 SEI 509 195 35.6 69
Show 08553+3145 KPP1818 43 14.0 72
Show 08491+3005 CRB 78 309 19.2 73
Show 09003+3005 LDS3841 284 236.0 83
Show 08537+2909 COU1251 181 0.7 87
Show 08571+2915 CVR1181 262 3.3 88
Show 08488+3130 SKF 730 339 1.2 90
Show 08572+3159 CVR1182 243 3.7 93
Show 08525+2904 SLW 309 32 39.8 94
Show 09000+2938 SKF 493 62 5.0 94
Show 08582+2914 SKF 757 242 1.2 96
Show 08468+3025 CRB 77 58 19.6 97
Show 08591+3155 TOK 522 209 331.9 102
Show 08595+2918 LAW 16 128 0.8 103
Show 09023+3008 RAO 646 98 0.9 108
Show 09024+3101 SKF 864 264 1.0 109
Show 09007+3148 SLW 322 17 10.0 111
Show 08475+2925 SKF 725 201 1.0 113
Show 08459+3107 NI 21 AB 301 20.3 113
Show 08477+2920 RAO 228 192 0.7 113
Show 08459+3107 VVO 20 BC 146 3.4 113
Show 08526+3228 HU 1125 AB 276 5.2 116
Show 08526+3228 S 583 AC 24 76.8 116
Show 08526+3228 WAL 55 AD 55 112.5 116
Show 08504+2849 AZC 58 32 10.8 118
Show 09024+3128 SEI 514 282 6.7 118
Show 08599+3207 DVG 25 208 12.7 118
Show 08489+2859 TOK 267 40 77.7 119
Show 09002+3206 DVG 26 AB 25 115.9 120
Show 09002+3206 DAM1516 AC 242 61.1 120
Show 08590+2845 CVR1183 205 3.7 120
Show 08587+3222 DJU 1 246 0.3 122
Show 09007+3208 COU1253 AB 20 0.7 125
Show 09007+3208 COU1253 AC 48 1.7 125

 
 
WDS 08542+3035 : COMPONENTS
 
 
  A B
B pa=314.5°
sep=1.39"
 
C pa=200.9°
sep=53.42"
pa=199.5°
sep=53.99"
 
 
08542+3035 A
 
 
Coord arcsec 2000 085414.65+303445.8 Mag 6.09 Spectral class G7III (yellow) PmRA 39.00
PmDE -26.0 SAO 61125 HIP 43721 Tycho2 2485-02096-1
HD 75959 HR 3532 GC 12289 BD BD+31 1907
Flamsteed 57 Cancri Flamsteed name 57 Cnc
Tycho2
Tycho2 2485-02096-1 Pflag P RAmdeg 133.56124397 DEmdeg 30.57920666
PmRA 36.4 PmDE -29.5 E RAmdeg 4 E DEmdeg 4
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.75 EpDEm 1991.20
Num 5 Q RAmdeg 1.8 Q DEmdeg 2.5 Q pmRA 1.8
Q pmDE 2.6 BTmag 7.289 E BTmag 0.015 VTmag 6.092
E VTmag 0.010 Prox 15 TYC T HIP 43721
CCDM A RAdeg 133.56127417 DEdeg 30.57917611 EpRA 1990 1.80
EpDE 1990 1.25 E RAdeg 3.5 E DEdeg 4.1 Posflg D
Corr 0.4
SAO
SAO 61125 DelFlag RA1950 PmRA1950 0.003
DE1950 PmDE1950 -0.023 Vmag 5.6 SpType K0
Double code Source 71 CatNum 333 DM BD+31 1907
DMcomp BDsup HD 75959 M HD 0
GC 12289 RA1950rad 2.31778952 DE1950rad 0.53703977 PmRA2000 0.003
PmDE2000 -0.019
Hipparcos
Catalog H HIP 43721 Proxy H RAhms 08 54 14.70
DEdms +30 34 45.0 Vmag 5.4 VarFlag R Vmag G
RAdeg 133.561 DEdeg 30.5792 AstroRef A Plx 8.93
CCDM 08542+3034 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 313 Rho 1.504 HD 75959 BD BD+31 1907
CD CP Dm number +31 1907 VIred 1.02
SpType G7III R SpType Coord arcsec 2000 085414.70+303445.0
Hipparcos 2
HIP 43721 Sn 15 So 3 Nc 2
RArad 2.3310838969 DErad 0.5337073274 Plx 7.07 PmRA 41.6
PmDE -24.02 E RArad 0.66 E DErad 0.4 E Plx 0.68
E pmRA 0.99 E pmDE 0.57 Hpmag 5.5581 E Hpmag 0.0005
SHp 0.005 VA 0 BV 1.05 E BV 0
VI 1.02
 
 
08542+3035 B
 
 
Coord arcsec 2000 085414.57+303446.8 Mag 6.37 PmRA 39.00 PmDE -26.0
HIP 43721 Tycho2 2485-02096-2 Flamsteed 57 Cancri Flamsteed name 57 Cnc
Calc delta mag 0.28 Calc coord yes
Tycho2
Tycho2 2485-02096-2 Pflag P RAmdeg 133.56124397 DEmdeg 30.57920666
PmRA 36.4 PmDE -29.5 E RAmdeg 4 E DEmdeg 4
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.75 EpDEm 1991.20
Num 5 Q RAmdeg 1.8 Q DEmdeg 2.5 Q pmRA 1.8
Q pmDE 2.6 BTmag 7.659 E BTmag 0.015 VTmag 6.372
E VTmag 0.010 Prox 15 TYC HIP 43721
CCDM B RAdeg 133.56091861 DEdeg 30.57946306 EpRA 1990 1.80
EpDE 1990 1.27 E RAdeg 3.6 E DEdeg 4.3 Posflg D
Corr 0.4
Hipparcos
Catalog H HIP 43721 Proxy H RAhms 08 54 14.70
DEdms +30 34 45.0 Vmag 5.4 VarFlag R Vmag G
RAdeg 133.561 DEdeg 30.5792 AstroRef A Plx 8.93
CCDM 08542+3034 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 313 Rho 1.504 HD 75959 BD BD+31 1907
CD CP Dm number +31 1907 VIred 1.02
SpType G7III R SpType Coord arcsec 2000 085414.70+303445.0
Hipparcos 2
HIP 43721 Sn 15 So 3 Nc 2
RArad 2.3310838969 DErad 0.5337073274 Plx 7.07 PmRA 41.6
PmDE -24.02 E RArad 0.66 E DErad 0.4 E Plx 0.68
E pmRA 0.99 E pmDE 0.57 Hpmag 5.5581 E Hpmag 0.0005
SHp 0.005 VA 0 BV 1.05 E BV 0
VI 1.02
 
 
08542+3035 C
 
 
Coord arcsec 2000 085413.18+303355.9 Mag 9.2 PmRA -8.00 PmDE 8.0
Calc delta mag 3.11 Calc coord yes