03344+2428 STF 412 AB,C (7 Tau)

 
 
03h 34m 26.62s +24° 27' 52.1" P.A. 53.00 sep 22.4 mag 5.94,9.92 Sp A3V+A3V dist. 131.58 pc (429.21 l.y.)
 
 
Coord 2000 03344+2428 Discov num STF 412 Comp AB,C Coord arcsec 2000 03 34 26.62 +24 27 52.1
Date first 1782 Date last 2014 Obs 86
Pa first 67 Pa last 53 P.A. Now (θ) 53°
Sep first 19.8 Sep last 22.4 Sep. Now (ρ) 22.4"
Mag pri 5.94 Mag sec 9.92 delta mag (ΔM) 3.98 Spectral class A3V+A3V (white/white)
Pri motion ra +001 Sec motion ra +000
Pri motion dec -028 Sec motion dec -010
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.643
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
 
 
Name 7 Tau 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
 
 
WDS 03344+2428 STF 412 AB,C (7 Tau) : 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
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,C 2007 83 54 22.4 5.94 9.92 N D 033426.62+242752.1
03344+2428 STF 412 AB,C 2014 85 53 22.4 5.94 9.92 A3V+A3V NVD 033426.62+242752.1

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WDS 03344+2428 STF 412 AB,C (7 Tau) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03344+2428 STF 412 AB,C (7 Tau) : MEASURES
 
 
No records found.

 
 
WDS 03344+2428 (7 Tau) : 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
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Radius:
Components only
 
 
WDS 03344+2428 (7 Tau) : ALADIN DSS IMAGE @ 03h 34m 26.62s +24° 27' 52.1"
 
 
 
 
WDS 03344+2428 STF 412 AB,C (7 Tau) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


03344+2428  STF 412AB,C 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
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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