WHERE DO THE SPIRALS COME FROM? · SPIRALS COME FROM? A multi-wavelength, high-resolution study of...
Transcript of WHERE DO THE SPIRALS COME FROM? · SPIRALS COME FROM? A multi-wavelength, high-resolution study of...
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WHERE DO THE SPIRALS COME FROM? Amulti-wavelength,high-resolutionstudyofHD135344B
COLLABORATORS : S. FACCHINI (MPE), M. TAZZARI (IOA CAMBRIDGE), P. PINILLA (U. OF ARIZONA), M. BENISTY (U. DE CHILE, CNRS), N. VAN
DER MAREL (HERZBERG INSTITUTE), A. GARUFI (U. MADRID), L. PEREZ (U. DE CHILE, MPIR), E. VAN DISHOECK (STRW LEIDEN, MPE)
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Protoplanetary “disks”…
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V12457Ori
Kraus+2017
HD135344B
vanderMarel+2016
Dusttraps:wheredustgrowsandplanetsform
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MWC758
Boehler+2018
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…or planet-forming disks?
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Planetsareinvokedastheoriginofstructures:• Planetscancarvetheinnergap• Planetscangeneratepressurebumps(therings)(e.g.Pinilla+2012,Cazzoletti+2016)• Planetscantriggervortices(theasymmetries)• Planetscanlaunchspiralarms
• 1planet?(Fung&Dong2015)• 2planets?(Stolker+2016,2017)
Stolker+2017
HD135344B
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Vortex launching spirals?
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Thevortexistriggeringdensitywaves(e.g.Zhu&Baruteau2015)
VLT/SPHERE
ALMA0.88mm
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(vanderMarel,Cazzolettetal.2016)
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More evidence
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Benisty+15
V12457Ori
Kraus+2017
HD135344B
vanderMarel+2016
MWC758
Boehler+2018
Stolker+2017
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mm
NIR
Notanisolatedcase
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Questions to answer
•
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New long wavelength ALMA data
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• Higherresolution:0.06”• Band3andBand4data:expectedtobeopticallythin• TobecombinedwithourBand7(0.88mm)andBand9(0.4mm)data
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: 2.75 mm : 1.9 mm
Cazzolettietal.inprep.
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Fit of the brightness profile
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: 1.9 mm
OUTERASYMMETRICGAUSSIAN
• FitforbothrealandimaginarypartineachUVpoint• GALARIO(Tazzari+2018)
Aftercenteringanddeprojecting
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Differences between the 4 bands
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Cazzolettietal.inprep.
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Peak azimuthal shift
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Thecenterofthevortexshiftswithgrainsize
(Baruteau&Zhu2016)
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Questions to answer
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Is the vortex massive enough?
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Mdust =F⌫d2
k⌫B⌫(Tdust)<latexit sha1_base64="WotHXgkrZEAnnEQql+iVEe4wu0A=">AAACIHicbVBPS8MwHE3nvzn/TT16CQ5hXkY3BOdBGBPEizBhdYN1ljRNt7A0LUkqjNKv4sWv4sWDit7005huO8zNBwmP996P5PfciFGpTPPbyK2srq1v5DcLW9s7u3vF/YN7GcYCEwuHLBRdF0nCKCeWooqRbiQIClxGOu7oKvM7j0RIGvK2GkekH6ABpz7FSGnJKdZvncQWAfRiqdJL2xcIJ9eOzWPoPdTSZDShzewut+eSp6lTLJkVcwK4TKozUgIztJzil+2FOA4IV5ghKXtVM1L9BAlFMSNpwY4liRAeoQHpacpRQGQ/mWyYwhOteNAPhT5cwYk6P5GgQMpx4OpkgNRQLnqZ+J/Xi5Vf7yeUR7EiHE8f8mMGVQizuqBHBcGKjTVBWFD9V4iHSLekdKkFXUJ1ceVlYtUqFxXz7qzUaM7ayIMjcAzKoArOQQPcgBawAAZP4AW8gXfj2Xg1PozPaTRnzGYOwR8YP78SbaOq</latexit><latexit sha1_base64="WotHXgkrZEAnnEQql+iVEe4wu0A=">AAACIHicbVBPS8MwHE3nvzn/TT16CQ5hXkY3BOdBGBPEizBhdYN1ljRNt7A0LUkqjNKv4sWv4sWDit7005huO8zNBwmP996P5PfciFGpTPPbyK2srq1v5DcLW9s7u3vF/YN7GcYCEwuHLBRdF0nCKCeWooqRbiQIClxGOu7oKvM7j0RIGvK2GkekH6ABpz7FSGnJKdZvncQWAfRiqdJL2xcIJ9eOzWPoPdTSZDShzewut+eSp6lTLJkVcwK4TKozUgIztJzil+2FOA4IV5ghKXtVM1L9BAlFMSNpwY4liRAeoQHpacpRQGQ/mWyYwhOteNAPhT5cwYk6P5GgQMpx4OpkgNRQLnqZ+J/Xi5Vf7yeUR7EiHE8f8mMGVQizuqBHBcGKjTVBWFD9V4iHSLekdKkFXUJ1ceVlYtUqFxXz7qzUaM7ayIMjcAzKoArOQQPcgBawAAZP4AW8gXfj2Xg1PozPaTRnzGYOwR8YP78SbaOq</latexit><latexit sha1_base64="WotHXgkrZEAnnEQql+iVEe4wu0A=">AAACIHicbVBPS8MwHE3nvzn/TT16CQ5hXkY3BOdBGBPEizBhdYN1ljRNt7A0LUkqjNKv4sWv4sWDit7005huO8zNBwmP996P5PfciFGpTPPbyK2srq1v5DcLW9s7u3vF/YN7GcYCEwuHLBRdF0nCKCeWooqRbiQIClxGOu7oKvM7j0RIGvK2GkekH6ABpz7FSGnJKdZvncQWAfRiqdJL2xcIJ9eOzWPoPdTSZDShzewut+eSp6lTLJkVcwK4TKozUgIztJzil+2FOA4IV5ghKXtVM1L9BAlFMSNpwY4liRAeoQHpacpRQGQ/mWyYwhOteNAPhT5cwYk6P5GgQMpx4OpkgNRQLnqZ+J/Xi5Vf7yeUR7EiHE8f8mMGVQizuqBHBcGKjTVBWFD9V4iHSLekdKkFXUJ1ceVlYtUqFxXz7qzUaM7ayIMjcAzKoArOQQPcgBawAAZP4AW8gXfj2Xg1PozPaTRnzGYOwR8YP78SbaOq</latexit>
Assumingopticallythinemission
Measured 140pc
10cm2/g@1000GHz 15K(vanderMarel+2015)
Mdust~30MEarth
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gas/dust=100
gas/dust=1-10
Mtot~10MJ
Mtot~0.2-1MJ
Probablynotenough
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Optical thickness
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sha1_base64="GX7UlLcYiDGDf9Yf4B4XSg2asq0=">AAACEnicbVDLSgMxFM3UV62vqks3wSJUoWVGBHUhFN24rNDaQqcOmTRtQzOZIbkjlGH+wY2/4saFiltX7vwb04egrQcunJxzL7n3+JHgGmz7y8osLC4tr2RXc2vrG5tb+e2dWx3GirI6DUWomj7RTHDJ6sBBsGakGAl8wRr+4GrkN+6Z0jyUNRhGrB2QnuRdTgkYycsf1bzEVQH2Fe/1Ib34efpp0Smxu6TkAok9V8bpoZcv2GV7DDxPnCkpoCmqXv7T7YQ0DpgEKojWLceOoJ0QBZwKlubcWLOI0AHpsZahkgRMt5PxTSk+MEoHd0NlSgIeq78nEhJoPQx80xkQ6OtZbyT+57Vi6J61Ey6jGJikk4+6scAQ4lFAuMMVoyCGhhCquNkV0z5RhIKJMWdCcGZPnif14/J52b45KVQup2lk0R7aR0XkoFNUQdeoiuqIogf0hF7Qq/VoPVtv1vukNWNNZ3bRH1gf35QPnYo=</latexit><latexit sha1_base64="GX7UlLcYiDGDf9Yf4B4XSg2asq0=">AAACEnicbVDLSgMxFM3UV62vqks3wSJUoWVGBHUhFN24rNDaQqcOmTRtQzOZIbkjlGH+wY2/4saFiltX7vwb04egrQcunJxzL7n3+JHgGmz7y8osLC4tr2RXc2vrG5tb+e2dWx3GirI6DUWomj7RTHDJ6sBBsGakGAl8wRr+4GrkN+6Z0jyUNRhGrB2QnuRdTgkYycsf1bzEVQH2Fe/1Ib34efpp0Smxu6TkAok9V8bpoZcv2GV7DDxPnCkpoCmqXv7T7YQ0DpgEKojWLceOoJ0QBZwKlubcWLOI0AHpsZahkgRMt5PxTSk+MEoHd0NlSgIeq78nEhJoPQx80xkQ6OtZbyT+57Vi6J61Ey6jGJikk4+6scAQ4lFAuMMVoyCGhhCquNkV0z5RhIKJMWdCcGZPnif14/J52b45KVQup2lk0R7aR0XkoFNUQdeoiuqIogf0hF7Qq/VoPVtv1vukNWNNZ3bRH1gf35QPnYo=</latexit>
15K ⌧⌫ ⇠ 0.6<latexit sha1_base64="pMA5EQCuzYu39tsHXTWg60rXTik=">AAAB+XicbVDLSsNAFJ34rPXV6tLNYBFchUTEx67oxmUFYwtNCJPppB06MwnzUErsp7hxoeLWP3Hn3zhts9DWAxcO59zLvfckOaNKe963s7S8srq2Xtmobm5t7+zW6nv3KjMSkwBnLJOdBCnCqCCBppqRTi4J4gkj7WR4PfHbD0Qqmok7PcpJxFFf0JRipK0U1+qhRiYOhYGhohx67llca3iuNwVcJH5JGqBEK659hb0MG06Exgwp1fW9XEcFkppiRsbV0CiSIzxEfdK1VCBOVFRMTx/DI6v0YJpJW0LDqfp7okBcqRFPbCdHeqDmvYn4n9c1Or2ICipyo4nAs0WpYVBncJID7FFJsGYjSxCW1N4K8QBJhLVNq2pD8OdfXiTBiXvperenjeZVmUYFHIBDcAx8cA6a4Aa0QAAweATP4BW8OU/Oi/PufMxal5xyZh/8gfP5A0a2kuU=</latexit><latexit sha1_base64="pMA5EQCuzYu39tsHXTWg60rXTik=">AAAB+XicbVDLSsNAFJ34rPXV6tLNYBFchUTEx67oxmUFYwtNCJPppB06MwnzUErsp7hxoeLWP3Hn3zhts9DWAxcO59zLvfckOaNKe963s7S8srq2Xtmobm5t7+zW6nv3KjMSkwBnLJOdBCnCqCCBppqRTi4J4gkj7WR4PfHbD0Qqmok7PcpJxFFf0JRipK0U1+qhRiYOhYGhohx67llca3iuNwVcJH5JGqBEK659hb0MG06Exgwp1fW9XEcFkppiRsbV0CiSIzxEfdK1VCBOVFRMTx/DI6v0YJpJW0LDqfp7okBcqRFPbCdHeqDmvYn4n9c1Or2ICipyo4nAs0WpYVBncJID7FFJsGYjSxCW1N4K8QBJhLVNq2pD8OdfXiTBiXvperenjeZVmUYFHIBDcAx8cA6a4Aa0QAAweATP4BW8OU/Oi/PufMxal5xyZh/8gfP5A0a2kuU=</latexit><latexit sha1_base64="pMA5EQCuzYu39tsHXTWg60rXTik=">AAAB+XicbVDLSsNAFJ34rPXV6tLNYBFchUTEx67oxmUFYwtNCJPppB06MwnzUErsp7hxoeLWP3Hn3zhts9DWAxcO59zLvfckOaNKe963s7S8srq2Xtmobm5t7+zW6nv3KjMSkwBnLJOdBCnCqCCBppqRTi4J4gkj7WR4PfHbD0Qqmok7PcpJxFFf0JRipK0U1+qhRiYOhYGhohx67llca3iuNwVcJH5JGqBEK659hb0MG06Exgwp1fW9XEcFkppiRsbV0CiSIzxEfdK1VCBOVFRMTx/DI6v0YJpJW0LDqfp7okBcqRFPbCdHeqDmvYn4n9c1Or2ICipyo4nAs0WpYVBncJID7FFJsGYjSxCW1N4K8QBJhLVNq2pD8OdfXiTBiXvperenjeZVmUYFHIBDcAx8cA6a4Aa0QAAweATP4BW8OU/Oi/PufMxal5xyZh/8gfP5A0a2kuU=</latexit>
⌧⌫ = ⌃dustk⌫<latexit sha1_base64="zbXDtg5R4rkYO/0x4uxaRjrMTXQ=">AAACCHicbVA9SwNBEN2LXzF+nVraLAbBKlxEUAshaGMZ0ZhALhx7m02yZHfv2J0VwpHWxr9iY6Fi60+w89+4Sa7Q6IOBx3szzMyLU8ENBMGXV1hYXFpeKa6W1tY3Nrf87Z07k1hNWYMmItGtmBgmuGIN4CBYK9WMyFiwZjy8nPjNe6YNT9QtjFLWkaSveI9TAk6KfBwCsVGo7Hl4w/uSRFmoJe5aA2M8nOiRXw4qwRT4L6nmpIxy1CP/M+wm1EqmgApiTLsapNDJiAZOBRuXQmtYSuiQ9FnbUUUkM51s+skYHzili3uJdqUAT9WfExmRxoxk7DolgYGZ9ybif17bQu+0k3GVWmCKzhb1rMCQ4EksuMs1oyBGjhCqubsV0wHRhIILr+RCqM6//Jc0jipnleD6uFy7yNMooj20jw5RFZ2gGrpCddRAFD2gJ/SCXr1H79l7895nrQUvn9lFv+B9fAMYQ5on</latexit><latexit sha1_base64="zbXDtg5R4rkYO/0x4uxaRjrMTXQ=">AAACCHicbVA9SwNBEN2LXzF+nVraLAbBKlxEUAshaGMZ0ZhALhx7m02yZHfv2J0VwpHWxr9iY6Fi60+w89+4Sa7Q6IOBx3szzMyLU8ENBMGXV1hYXFpeKa6W1tY3Nrf87Z07k1hNWYMmItGtmBgmuGIN4CBYK9WMyFiwZjy8nPjNe6YNT9QtjFLWkaSveI9TAk6KfBwCsVGo7Hl4w/uSRFmoJe5aA2M8nOiRXw4qwRT4L6nmpIxy1CP/M+wm1EqmgApiTLsapNDJiAZOBRuXQmtYSuiQ9FnbUUUkM51s+skYHzili3uJdqUAT9WfExmRxoxk7DolgYGZ9ybif17bQu+0k3GVWmCKzhb1rMCQ4EksuMs1oyBGjhCqubsV0wHRhIILr+RCqM6//Jc0jipnleD6uFy7yNMooj20jw5RFZ2gGrpCddRAFD2gJ/SCXr1H79l7895nrQUvn9lFv+B9fAMYQ5on</latexit><latexit sha1_base64="zbXDtg5R4rkYO/0x4uxaRjrMTXQ=">AAACCHicbVA9SwNBEN2LXzF+nVraLAbBKlxEUAshaGMZ0ZhALhx7m02yZHfv2J0VwpHWxr9iY6Fi60+w89+4Sa7Q6IOBx3szzMyLU8ENBMGXV1hYXFpeKa6W1tY3Nrf87Z07k1hNWYMmItGtmBgmuGIN4CBYK9WMyFiwZjy8nPjNe6YNT9QtjFLWkaSveI9TAk6KfBwCsVGo7Hl4w/uSRFmoJe5aA2M8nOiRXw4qwRT4L6nmpIxy1CP/M+wm1EqmgApiTLsapNDJiAZOBRuXQmtYSuiQ9FnbUUUkM51s+skYHzili3uJdqUAT9WfExmRxoxk7DolgYGZ9ybif17bQu+0k3GVWmCKzhb1rMCQ4EksuMs1oyBGjhCqubsV0wHRhIILr+RCqM6//Jc0jipnleD6uFy7yNMooj20jw5RFZ2gGrpCddRAFD2gJ/SCXr1H79l7895nrQUvn9lFv+B9fAMYQ5on</latexit>
⌃dust 0.1� 1 g cm�2<latexit sha1_base64="5rfhqIQ998JYOOUtU9OJpoq2axU=">AAACEHicbVBNS8NAEN3Ur1q/qh69LBahh7YkRVBvRS8eKxpbaGLYbLbt0t0k7G6EEupP8OJf8eJBxatHb/4bN20O2vpg4PHeDDPz/JhRqUzz2ygsLa+srhXXSxubW9s75d29WxklAhMbRywSXR9JwmhIbEUVI91YEMR9Rjr+6CLzO/dESBqFN2ocE5ejQUj7FCOlJa9cda7pgCMvdQSHQSLV5MFsWHXLqWXCwKlBzO/SenPilStmw5wCLhIrJxWQo+2Vv5wgwgknocIMSdmzzFi5KRKKYkYmJSeRJEZ4hAakp2mIOJFuOv1oAo+0EsB+JHSFCk7V3xMp4lKOua87OVJDOe9l4n9eL1H9UzelYZwoEuLZon7CoIpgFg8MqCBYsbEmCAuqb4V4iATCSodY0iFY8y8vErvZOGuYV8eV1nmeRhEcgENQBRY4AS1wCdrABhg8gmfwCt6MJ+PFeDc+Zq0FI5/ZB39gfP4AcNObrw==</latexit><latexit sha1_base64="5rfhqIQ998JYOOUtU9OJpoq2axU=">AAACEHicbVBNS8NAEN3Ur1q/qh69LBahh7YkRVBvRS8eKxpbaGLYbLbt0t0k7G6EEupP8OJf8eJBxatHb/4bN20O2vpg4PHeDDPz/JhRqUzz2ygsLa+srhXXSxubW9s75d29WxklAhMbRywSXR9JwmhIbEUVI91YEMR9Rjr+6CLzO/dESBqFN2ocE5ejQUj7FCOlJa9cda7pgCMvdQSHQSLV5MFsWHXLqWXCwKlBzO/SenPilStmw5wCLhIrJxWQo+2Vv5wgwgknocIMSdmzzFi5KRKKYkYmJSeRJEZ4hAakp2mIOJFuOv1oAo+0EsB+JHSFCk7V3xMp4lKOua87OVJDOe9l4n9eL1H9UzelYZwoEuLZon7CoIpgFg8MqCBYsbEmCAuqb4V4iATCSodY0iFY8y8vErvZOGuYV8eV1nmeRhEcgENQBRY4AS1wCdrABhg8gmfwCt6MJ+PFeDc+Zq0FI5/ZB39gfP4AcNObrw==</latexit><latexit sha1_base64="5rfhqIQ998JYOOUtU9OJpoq2axU=">AAACEHicbVBNS8NAEN3Ur1q/qh69LBahh7YkRVBvRS8eKxpbaGLYbLbt0t0k7G6EEupP8OJf8eJBxatHb/4bN20O2vpg4PHeDDPz/JhRqUzz2ygsLa+srhXXSxubW9s75d29WxklAhMbRywSXR9JwmhIbEUVI91YEMR9Rjr+6CLzO/dESBqFN2ocE5ejQUj7FCOlJa9cda7pgCMvdQSHQSLV5MFsWHXLqWXCwKlBzO/SenPilStmw5wCLhIrJxWQo+2Vv5wgwgknocIMSdmzzFi5KRKKYkYmJSeRJEZ4hAakp2mIOJFuOv1oAo+0EsB+JHSFCk7V3xMp4lKOua87OVJDOe9l4n9eL1H9UzelYZwoEuLZon7CoIpgFg8MqCBYsbEmCAuqb4V4iATCSodY0iFY8y8vErvZOGuYV8eV1nmeRhEcgENQBRY4AS1wCdrABhg8gmfwCt6MJ+PFeDc+Zq0FI5/ZB39gfP4AcNObrw==</latexit>
SPF2 14 MARCH 2017 P. CAZZOLETTI
@2mm
![Page 14: WHERE DO THE SPIRALS COME FROM? · SPIRALS COME FROM? A multi-wavelength, high-resolution study of HD135344B ... • Higher resolution: 0.06” • Band 3 and Band 4 data: expected](https://reader034.fdocuments.us/reader034/viewer/2022052010/6020ba646f262b1d0a77ac03/html5/thumbnails/14.jpg)
Questions to answer
1. IS THE VORTEX MASSIVE ENOUGH?
2. IS DUST BEING TRAPPED?
3. IS DUST GROWING?
14
SPF2 14 MARCH 2017 P. CAZZOLETTI
![Page 15: WHERE DO THE SPIRALS COME FROM? · SPIRALS COME FROM? A multi-wavelength, high-resolution study of HD135344B ... • Higher resolution: 0.06” • Band 3 and Band 4 data: expected](https://reader034.fdocuments.us/reader034/viewer/2022052010/6020ba646f262b1d0a77ac03/html5/thumbnails/15.jpg)
Is dust being trapped?
15
Rephrased:isthereanenhancementofdustwithrespecttogas?Modelsshowgas/dust~1(e.g.Pinilla+2012)
Baruteau
&Zh
u201
6 ⌃gas ⇠ 1 g cm�2<latexit sha1_base64="Glk2w7jKj0U6vUYbO5vtV/paT0U=">AAACD3icbVC7TsMwFHXKq5RXgJHFokIwlCqpkICtgoWxCEIrNaFyXCe1aieR7SBVUT6BhV9hYQDEysrG3+CmHaDlSFc6Pude+d7jJ4xKZVnfRmlhcWl5pbxaWVvf2Nwyt3fuZJwKTBwcs1h0fCQJoxFxFFWMdBJBEPcZafvDy7HffiBC0ji6VaOEeByFEQ0oRkpLPfPQvaEhR73MFRyGSOaupBzabq14uzWI+X123Mh7ZtWqWwXgPLGnpAqmaPXML7cf45STSGGGpOzaVqK8DAlFMSN5xU0lSRAeopB0NY0QJ9LLioNyeKCVPgxioStSsFB/T2SISznivu7kSA3krDcW//O6qQrOvIxGSapIhCcfBSmDKobjdGCfCoIVG2mCsKB6V4gHSCCsdIYVHYI9e/I8cRr187p1fVJtXkzTKIM9sA+OgA1OQRNcgRZwAAaP4Bm8gjfjyXgx3o2PSWvJmM7sgj8wPn8ATPybqw==</latexit><latexit sha1_base64="Glk2w7jKj0U6vUYbO5vtV/paT0U=">AAACD3icbVC7TsMwFHXKq5RXgJHFokIwlCqpkICtgoWxCEIrNaFyXCe1aieR7SBVUT6BhV9hYQDEysrG3+CmHaDlSFc6Pude+d7jJ4xKZVnfRmlhcWl5pbxaWVvf2Nwyt3fuZJwKTBwcs1h0fCQJoxFxFFWMdBJBEPcZafvDy7HffiBC0ji6VaOEeByFEQ0oRkpLPfPQvaEhR73MFRyGSOaupBzabq14uzWI+X123Mh7ZtWqWwXgPLGnpAqmaPXML7cf45STSGGGpOzaVqK8DAlFMSN5xU0lSRAeopB0NY0QJ9LLioNyeKCVPgxioStSsFB/T2SISznivu7kSA3krDcW//O6qQrOvIxGSapIhCcfBSmDKobjdGCfCoIVG2mCsKB6V4gHSCCsdIYVHYI9e/I8cRr187p1fVJtXkzTKIM9sA+OgA1OQRNcgRZwAAaP4Bm8gjfjyXgx3o2PSWvJmM7sgj8wPn8ATPybqw==</latexit><latexit sha1_base64="Glk2w7jKj0U6vUYbO5vtV/paT0U=">AAACD3icbVC7TsMwFHXKq5RXgJHFokIwlCqpkICtgoWxCEIrNaFyXCe1aieR7SBVUT6BhV9hYQDEysrG3+CmHaDlSFc6Pude+d7jJ4xKZVnfRmlhcWl5pbxaWVvf2Nwyt3fuZJwKTBwcs1h0fCQJoxFxFFWMdBJBEPcZafvDy7HffiBC0ji6VaOEeByFEQ0oRkpLPfPQvaEhR73MFRyGSOaupBzabq14uzWI+X123Mh7ZtWqWwXgPLGnpAqmaPXML7cf45STSGGGpOzaVqK8DAlFMSN5xU0lSRAeopB0NY0QJ9LLioNyeKCVPgxioStSsFB/T2SISznivu7kSA3krDcW//O6qQrOvIxGSapIhCcfBSmDKobjdGCfCoIVG2mCsKB6V4gHSCCsdIYVHYI9e/I8cRr187p1fVJtXkzTKIM9sA+OgA1OQRNcgRZwAAaP4Bm8gjfjyXgx3o2PSWvJmM7sgj8wPn8ATPybqw==</latexit>
SPF2 14 MARCH 2017 P. CAZZOLETTI
WecalculateGas/dust~1
St / ⌃�1gas
<latexit sha1_base64="r10cwt/8z3lwRYSA9fxi/4z4PsI=">AAACBnicbVA9SwNBEN2LXzF+RS0FWQyCjeFOBLUL2lhG4plA7gx7m02yZPf22J0TwpHOxr9iY6Fi62+w89+4+Sg08cHA470ZZuZFieAGXPfbyS0sLi2v5FcLa+sbm1vF7Z07o1JNmU+VULoREcMEj5kPHARrJJoRGQlWj/pXI7/+wLThKr6FQcJCSbox73BKwEqt4n4NgkSrBFRQ411JWlmgJe4SM7zPjr1hq1hyy+4YeJ54U1JCU1Rbxa+grWgqWQxUEGOanptAmBENnAo2LASpYQmhfdJlTUtjIpkJs/EfQ3xolTbuKG0rBjxWf09kRBozkJHtlAR6ZtYbif95zRQ652HG4yQFFtPJok4qMCg8CgW3uWYUxMASQjW3t2LaI5pQsNEVbAje7MvzxD8pX5S9m9NS5XKaRh7toQN0hDx0hiroGlWRjyh6RM/oFb05T86L8+58TFpzznRmF/2B8/kDq9KZYA==</latexit><latexit sha1_base64="r10cwt/8z3lwRYSA9fxi/4z4PsI=">AAACBnicbVA9SwNBEN2LXzF+RS0FWQyCjeFOBLUL2lhG4plA7gx7m02yZPf22J0TwpHOxr9iY6Fi62+w89+4+Sg08cHA470ZZuZFieAGXPfbyS0sLi2v5FcLa+sbm1vF7Z07o1JNmU+VULoREcMEj5kPHARrJJoRGQlWj/pXI7/+wLThKr6FQcJCSbox73BKwEqt4n4NgkSrBFRQ411JWlmgJe4SM7zPjr1hq1hyy+4YeJ54U1JCU1Rbxa+grWgqWQxUEGOanptAmBENnAo2LASpYQmhfdJlTUtjIpkJs/EfQ3xolTbuKG0rBjxWf09kRBozkJHtlAR6ZtYbif95zRQ652HG4yQFFtPJok4qMCg8CgW3uWYUxMASQjW3t2LaI5pQsNEVbAje7MvzxD8pX5S9m9NS5XKaRh7toQN0hDx0hiroGlWRjyh6RM/oFb05T86L8+58TFpzznRmF/2B8/kDq9KZYA==</latexit><latexit sha1_base64="r10cwt/8z3lwRYSA9fxi/4z4PsI=">AAACBnicbVA9SwNBEN2LXzF+RS0FWQyCjeFOBLUL2lhG4plA7gx7m02yZPf22J0TwpHOxr9iY6Fi62+w89+4+Sg08cHA470ZZuZFieAGXPfbyS0sLi2v5FcLa+sbm1vF7Z07o1JNmU+VULoREcMEj5kPHARrJJoRGQlWj/pXI7/+wLThKr6FQcJCSbox73BKwEqt4n4NgkSrBFRQ411JWlmgJe4SM7zPjr1hq1hyy+4YeJ54U1JCU1Rbxa+grWgqWQxUEGOanptAmBENnAo2LASpYQmhfdJlTUtjIpkJs/EfQ3xolTbuKG0rBjxWf09kRBozkJHtlAR6ZtYbif95zRQ652HG4yQFFtPJok4qMCg8CgW3uWYUxMASQjW3t2LaI5pQsNEVbAje7MvzxD8pX5S9m9NS5XKaRh7toQN0hDx0hiroGlWRjyh6RM/oFb05T86L8+58TFpzznRmF/2B8/kDq9KZYA==</latexit><latexit sha1_base64="r10cwt/8z3lwRYSA9fxi/4z4PsI=">AAACBnicbVA9SwNBEN2LXzF+RS0FWQyCjeFOBLUL2lhG4plA7gx7m02yZPf22J0TwpHOxr9iY6Fi62+w89+4+Sg08cHA470ZZuZFieAGXPfbyS0sLi2v5FcLa+sbm1vF7Z07o1JNmU+VULoREcMEj5kPHARrJJoRGQlWj/pXI7/+wLThKr6FQcJCSbox73BKwEqt4n4NgkSrBFRQ411JWlmgJe4SM7zPjr1hq1hyy+4YeJ54U1JCU1Rbxa+grWgqWQxUEGOanptAmBENnAo2LASpYQmhfdJlTUtjIpkJs/EfQ3xolTbuKG0rBjxWf09kRBozkJHtlAR6ZtYbif95zRQ652HG4yQFFtPJok4qMCg8CgW3uWYUxMASQjW3t2LaI5pQsNEVbAje7MvzxD8pX5S9m9NS5XKaRh7toQN0hDx0hiroGlWRjyh6RM/oFb05T86L8+58TFpzznRmF/2B8/kDq9KZYA==</latexit>
![Page 16: WHERE DO THE SPIRALS COME FROM? · SPIRALS COME FROM? A multi-wavelength, high-resolution study of HD135344B ... • Higher resolution: 0.06” • Band 3 and Band 4 data: expected](https://reader034.fdocuments.us/reader034/viewer/2022052010/6020ba646f262b1d0a77ac03/html5/thumbnails/16.jpg)
Vortex width
16
Theazimuthalwidthofthevortexdecreaseswithwavelengthaspredictedby(Birnstiel+2013)
SPF2 14 MARCH 2017 P. CAZZOLETTI
![Page 17: WHERE DO THE SPIRALS COME FROM? · SPIRALS COME FROM? A multi-wavelength, high-resolution study of HD135344B ... • Higher resolution: 0.06” • Band 3 and Band 4 data: expected](https://reader034.fdocuments.us/reader034/viewer/2022052010/6020ba646f262b1d0a77ac03/html5/thumbnails/17.jpg)
Questions to answer
1. IS THE VORTEX MASSIVE ENOUGH?
2. IS DUST BEING TRAPPED?
3. IS DUST GROWING?
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Is dust growing?
18
Band4andBand7
• αatthelocationofthevortexisconsistentwithlargergrains• Thelaunchingpointofthespiralisclosetowherethelargergrainsare
SPF2 14 MARCH 2017 P. CAZZOLETTI
VLT/SPHERE
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TAKE HOME MESSAGES & CONCLUSIONS • Thereisobservationalevidenceofaconnectionbetweenvorticesandspiral
arms
• VortexinHD135344Bobservedandresolvedatdifferentwavelengths:• Azimuthalshiftdetected
• Dustefficientlytrappedinthevortex
• Spectralindexhintstodustgrowth
• Consistentwithplanetesimalformationoccurringinsidethevortex.
• Shouldwelookfortheoriginofspiralarmsinvortices?
• Howmuchmasscanbehiddeninunobservabledustgrains?
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THANK YOU!
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Band 9
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Differences between the 4 bands
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22
IRS48
vanderMarel+13
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