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Doubles in session


Current system
03344+2428
STF 412 AB


Nearby doubles
23' : 03349+2406
COU 467

29' : 03330+2448
POU 293

38' : 03346+2350
COU 466AB

38' : 03322+2406
POU 292

39' : 03337+2351
COU 465

39' : 03339+2350
OCC 773

41' : 03373+2436
OCC9081

41' : 03340+2348
POU 296

41' : 03351+2348
LDS6088

44' : 03365+2355
STF 420

46' : 03311+2437
POU 289

48' : 03378+2420
POU 298

50' : 03319+2353
POU 291

51' : 03333+2515
POU 294

55' : 03308+2451
POU 288

58' : 03318+2513
POU 290

59' : 03379+2501
RAO 118

60' : 03381+2503
POU 299

62' : 03317+2339
OCC 761

63' : 03299+2417
LDS6085

64' : 03382+2505
POU 300

65' : 03313+2515
A 1825

66' : 03355+2532
UC 1029

66' : 03391+2442
STT 60

66' : 03296+2431
SAR 1AB

66' : 03308+2511
POU 287



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.

03344+2428 STF 412 AB

 
 
03h 34m 26.62s +24° 27' 52.1" P.A. 350.00 sep 0.8 mag 6.60,6.86 Sp A3V+A3V dist. 131.58 pc (429.21 l.y.)
 
 
Coord 2000 03344+2428 Discov num STF 412 Comp AB Coord arcsec 2000 03 34 26.62 +24 27 52.1
Date first 1828 Date last 2022 Obs 314
Pa first 272 Pa last 350 P.A. Now (θ) 349.1°
Sep first 0.6 Sep last 0.79 Sep. Now (ρ) 0.778"
Mag pri 6.60 Mag sec 6.86 delta mag (ΔM) 0.26 Spectral class A3V+A3V (white/white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -026 Sec motion dec -026
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03344+2428 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 75999 03 34 27 +24 27 52 STF 412 AB 2022 314 350 0.8 6.60 6.86 0.26 Y <===
Show 7 Tau 75999 03 34 27 +24 27 52 STF 412 AB,C 2014 86 53 22.4 5.94 9.92 3.98
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV1192 Tau Constellation Taurus SAO 75999 HIP 16664
Tycho2 1802-01524-1 Gaia DR2 68486384567412992 HD 22091 HR 1086
GC 4257 ADS 2616 BD BD+23 473 Flamsteed 7 Tauri
Flamsteed name 7 Tau Distance 131.58 Distance ly 429.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)522.16y Periastron (T)1911.62y Semi-major axis (a)0.625a
Eccentricity (e)0.679 Inclination (i)157.2° Longitude of periastron (ω)238.1°
Node (Ω)13° Notesn ReferenceSca2002a
Equinox2000 Last observation2000 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 356.9 0.689
2001 356.5 0.693
2002 356.2 0.698
2003 355.8 0.702
2004 355.4 0.706
2005 355.1 0.710
2006 354.7 0.714
2007 354.3 0.718
2008 354.0 0.722
2009 353.6 0.726
2010 353.3 0.730
2011 353.0 0.734
2012 352.6 0.738
2013 352.3 0.742
2014 352.0 0.745
2015 351.6 0.749
2016 351.3 0.753
2017 351.0 0.756
2018 350.7 0.760
2019 350.4 0.764
2020 350.1 0.767
2021 349.7 0.771
2022 349.4 0.774
2023 349.1 0.778
2024 348.8 0.781
2025 348.5 0.784
2026 348.2 0.788
2027 348.0 0.791
2028 347.7 0.794
2029 347.4 0.797
2030 347.1 0.801


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


 
  


wds03344%2B2428a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 03344+2428 STF 412 AB : NOTES
 
 
discov_num notes refcode
STF 412 7 Tau. Only P, T, and a were redetermined by Vlaicu & Vasile (1961); Vla1965
the remaining elements were from the orbit of Luyten (1934). Luy1934c
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 2.04 +/- 1.54, 4.91, and 2.09 Msun, respectively. Mlk2012
AB,C: H 4 88. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Luy1934c orb - Luyten, W.J. .
Luy1934c Pub. Univ. Minnesota Obs. 2, 23, 1934
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sca2002a orb - Scardia, M., Prieur, J.-L., Koechlin, L., & Aristidi, E. 2002IAUDS.146....1S
Sca2002a Inf. Circ. 146, 1, 2002
Vla1965 orb - Vlaicu, S. & Vasile, M. .
Vla1965 Studii Cerc. Astr. Seism. 10, 243, 1965
 
 
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
03344+2428 STF 412 AB 2006 286 355 0.7 6.60 6.86 A2V NOD 033426.62+242752.1
03344+2428 STF 412 AB 2008 292 355 0.7 6.60 6.86 A2V NOD 033426.62+242752.1
03344+2428 STF 412 AB 2009 293 354 0.7 6.60 6.86 A2V NOD 033426.62+242752.1
03344+2428 STF 412 AB 2010 297 354 0.7 6.60 6.86 A2V NOD 033426.62+242752.1
03344+2428 STF 412 AB 2012 298 353 0.7 6.60 6.86 A2V NOD 033426.62+242752.1
03344+2428 STF 412 AB 2014 292 353 0.8 6.60 6.86 A3V+A3V NOD 033426.62+242752.1
03344+2428 STF 412 AB 2015 297 352 0.8 6.60 6.86 A3V+A3V NO 033426.62+242752.1
03344+2428 STF 412 AB 2016 301 352 0.8 6.60 6.86 A3V+A3V NO 033426.62+242752.1
03344+2428 STF 412 AB 2017 302 354 0.8 6.60 6.86 A3V+A3V NO 033426.62+242752.1
03344+2428 STF 412 AB 2018 303 349 0.8 6.60 6.86 A3V+A3V NO 033426.62+242752.1
03344+2428 STF 412 AB 2019 311 351 0.8 6.60 6.86 A3V+A3V NO 033426.62+242752.1
03344+2428 STF 412 AB 2022 314 350 0.8 6.60 6.86 A3V+A3V NO 033426.62+242752.1

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

 
 
WDS 03344+2428 STF 412 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03344+2428 STF 412 AB : MEASURES
 
 
No records found.

 
 
WDS 03344+2428 : VIRTUAL EYEPIECE
 
 

03344+2428 STF 412A mag 6.6 Sp A3V 03344+2428 STF 412B sep 0.8 P.A. 350.90 mag 6.86 Sp A3V 03344+2428 STF 412C sep 21.1 P.A. 50.40 mag 9.92 Sp A3V 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 03344+2428 : ALADIN DSS IMAGE @ 03h 34m 26.62s +24° 27' 52.1"
 
 
 
 
WDS 03344+2428 STF 412 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03344+2428 STF 412AB distance=0' 03349+2406 COU 467 distance=23' 03330+2448 POU 293 distance=29' 03346+2350 COU 466AB distance=38' 03346+2350 GRV 179AB,C distance=38' 03322+2406 POU 292 distance=38' 03337+2351 COU 465 distance=39' 03339+2350 OCC 773 distance=39' 03373+2436 OCC9081 distance=41' 03340+2348 POU 296 distance=41' 03351+2348 LDS6088 distance=41' 03365+2355 STF 420 distance=44' 03311+2437 POU 289 distance=46' 03378+2420 POU 298 distance=48' 03319+2353 POU 291 distance=50' 03333+2515 POU 294 distance=51' 03308+2451 POU 288 distance=55' 03318+2513 POU 290 distance=58' 03379+2501 RAO 118 distance=59' 03381+2503 POU 299 distance=60' 03317+2339 OCC 761 distance=62' 03299+2417 LDS6085 distance=63' 03382+2505 POU 300 distance=64' 03313+2515 A 1825 distance=65' 03355+2532 UC 1029 distance=66' 03391+2442 STT 60 distance=66' 03296+2431 SAR 1AB distance=66' 03296+2431 SAR 1AC distance=66' 03296+2431 SAR 1AD distance=66' 03308+2511 POU 287 distance=66' 03334+2322 STT 57CD distance=67' 03393+2416 LDS6091 distance=67' 03334+2322 STT 57AB distance=68' 03334+2322 STT 57AC distance=68' 03334+2322 OCC9080Aa,Ab distance=68' 03334+2322 OCC9080Ba,Bb distance=68' 03294+2447 POU 286 distance=72' 03286+2415 POU 285 distance=81' 03383+2530 UC 1035AB distance=82' 03383+2530 SKF2336BC distance=83' 03405+2442 POU 303 distance=83' 03402+2359 POU 302 distance=84' 03317+2544 LDS6086 distance=85' 03404+2405 LDS6092 distance=86' 03373+2311 LDS6090 distance=87' 03393+2331 POU 301 distance=89' 03278+2411 HDS 434 distance=93' 03396+2530 LDS9158 distance=93' 03278+2405 POU 284 distance=94' 03275+2415 POU 283 distance=96' 03286+2523 BRT 133 distance=98' 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 03344+2428 STF 412 AB 350 0.8
Show 03344+2428 STF 412 AB,C 53 22.4
Show 03349+2406 COU 467 92 2.0 23
Show 03330+2448 POU 293 240 7.2 29
Show 03346+2350 COU 466 AB 21 0.4 38
Show 03346+2350 GRV 179 AB,C 205 44.7 38
Show 03322+2406 POU 292 238 10.1 38
Show 03337+2351 COU 465 202 0.3 39
Show 03339+2350 OCC 773 -1 0.1 39
Show 03373+2436 OCC9081 -1 0.0 41
Show 03340+2348 POU 296 206 10.1 41
Show 03351+2348 LDS6088 78 126.0 41
Show 03365+2355 STF 420 113 6.7 44
Show 03311+2437 POU 289 51 14.5 46
Show 03378+2420 POU 298 170 15.9 48
Show 03319+2353 POU 291 78 9.4 50
Show 03333+2515 POU 294 172 11.2 51
Show 03308+2451 POU 288 96 14.2 55
Show 03318+2513 POU 290 324 23.9 58
Show 03379+2501 RAO 118 69 0.9 59
Show 03381+2503 POU 299 70 6.7 60
Show 03317+2339 OCC 761 -1 0.1 62
Show 03299+2417 LDS6085 13 26.3 63
Show 03382+2505 POU 300 225 19.8 64
Show 03313+2515 A 1825 306 2.9 65
Show 03355+2532 UC 1029 298 48.3 66
Show 03391+2442 STT 60 135 -1.0 66
Show 03296+2431 SAR 1 AB 268 12.4 66
Show 03296+2431 SAR 1 AC 327 18.8 66
Show 03296+2431 SAR 1 AD 197 23.9 66
Show 03308+2511 POU 287 310 17.1 66
Show 03334+2322 STT 57 CD 321 10.0 67
Show 03393+2416 LDS6091 219 220.7 67
Show 03334+2322 STT 57 AB 170 32.9 68
Show 03334+2322 STT 57 AC 33 68.7 68
Show 03334+2322 OCC9080 Aa,Ab -1 0.1 68
Show 03334+2322 OCC9080 Ba,Bb -1 0.1 68
Show 03294+2447 POU 286 341 4.8 72
Show 03286+2415 POU 285 246 4.0 81
Show 03383+2530 UC 1035 AB 21 64.0 82
Show 03383+2530 SKF2336 BC 220 1.7 83
Show 03405+2442 POU 303 243 6.9 83
Show 03402+2359 POU 302 166 18.4 84
Show 03317+2544 LDS6086 359 97.4 85
Show 03404+2405 LDS6092 343 38.0 86
Show 03373+2311 LDS6090 91 283.4 87
Show 03393+2331 POU 301 6 18.3 89
Show 03278+2411 HDS 434 170 0.4 93
Show 03396+2530 LDS9158 65 64.3 93
Show 03278+2405 POU 284 74 12.8 94
Show 03275+2415 POU 283 220 12.7 96

 
 
WDS 03344+2428 : COMPONENTS
 
 
  A B
B pa=350.9°
sep=0.79"
 
C pa=50.4°
sep=21.14"
pa=52.3°
sep=20.75"
 
 
03344+2428 A
 
 
Coord arcsec 2000 033426.62+242752.1 Mag 6.6 Spectral class A3V (white) PmRA 6.00
PmDE -26.0 SAO 75999 HIP 16664 Tycho2 1802-01524-1
HD 22091 HR 1086 GC 4257 ADS 2616
BD BD+23 473 Flamsteed 7 Tauri Flamsteed name 7 Tau
Tycho2
Tycho2 1802-01524-1 Pflag RAmdeg 53.61094860 DEmdeg 24.46449991
PmRA 6.4 PmDE -25.8 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.7 EpRAm 1991.35 EpDEm 1991.06
Num 21 Q RAmdeg 1.8 Q DEmdeg 1.8 Q pmRA 1.6
Q pmDE 1.7 BTmag 6.211 E BTmag 0.014 VTmag 6.085
E VTmag 0.010 Prox 999 TYC T HIP 16664
CCDM AB RAdeg 53.61093194 DEdeg 24.46456083 EpRA 1990 1.79
EpDE 1990 1.50 E RAdeg 3.6 E DEdeg 4.0 Posflg P
Corr -0.2
SAO
SAO 75999 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.021 Vmag 5.9 SpType A2
Double code Source 70 CatNum 4257 DM BD+23 473
DMcomp BDsup HD 22091 M HD 0
GC 4257 RA1950rad 0.92274094 DE1950rad 0.42408533 PmRA2000 0.0006
PmDE2000 -0.024
Hipparcos
Catalog H HIP 16664 Proxy H RAhms 03 34 26.62
DEdms +24 27 52.1 Vmag 5.95 VarFlag R Vmag H
RAdeg 53.6109 DEdeg 24.4645 AstroRef A Plx 6.28
CCDM 03344+2428 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 0 Rho 0.65 HD 22091 BD BD+23 473
CD CP Dm number +23 473 VIred 0.14
SpType A3V R SpType Coord arcsec 2000 033426.62+242752.1
Hipparcos 2
HIP 16664 Sn 15 So 3 Nc 2
RArad 0.9356872783 DErad 0.4269856477 Plx 7.6 PmRA 5.24
PmDE -32.29 E RArad 2.07 E DErad 2.63 E Plx 1.34
E pmRA 4.19 E pmDE 5.31 Hpmag 5.9961 E Hpmag 0.0012
SHp 0.008 VA 0 BV 0.123 E BV 0.005
VI 0.14
CCDM
Ccdm 03344+2428 RComp Comp A Note1
Note2 Discov num DRAs 2.61 DDEs -7.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.6 Sp A2 PmNote *
PmRA 6 PmDE -20 Dm number +23 473 Cat1 BD
Name2 +24 305 Cat2 AGK2/3 HD 22091 M HD
ADS BDS A 2616 M ADS BDS N IDS IDS 03285N2408A
HIC 16664
 
 
03344+2428 B
 
 
Coord arcsec 2000 033426.61+242752.9 Mag 6.86 Spectral class A3V (white) PmRA 6.00
PmDE -26.0 Calc delta mag 0.26 Calc coord yes
CCDM
Ccdm 03344+2428 RComp Comp B Note1 *
Note2 Discov num STF 412 DRAs DDEs
R dRAs Year 1830 Theta Rho
Obs 99 Vmag 6.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2616 M ADS BDS N IDS IDS 03285N2408B
HIC 16664
 
 
03344+2428 C
 
 
Coord arcsec 2000 033427.81+242805.6 Mag 9.92 Spectral class A3V (white) PmRA 0.00
PmDE -10.0 Calc delta mag 3.32 Calc coord yes
CCDM
Ccdm 03344+2428 RComp Comp C Note1
Note2 Discov num STF 412 DRAs 3.90 DDEs 4.4
R dRAs 10 Year 1958 Theta 056 Rho 22.4
Obs 31 Vmag 10.0 Sp PmNote *
PmRA -9 PmDE -18 Dm number Cat1
Name2 +24 306 Cat2 AGK2/3 HD M HD
ADS BDS A 2616 M ADS BDS N IDS IDS 03285N2408C
HIC