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VLT VLT - - FLAMES Tarantula Survey of Massive Stars FLAMES Tarantula Survey of Massive Stars Sergio Sim Sergio Simón-Dí az az (on behalf of the VLT/FLAMES (on behalf of the VLT/FLAMES- II Tarantula Survey consortium) II Tarantula Survey consortium) Jornada ESO 2011 Jornada ESO 2011 -- -- Granada, 11/02/11 Granada, 11/02/11
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Page 1: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula Survey of Massive StarsFLAMES Tarantula Survey of Massive Stars

Sergio SimSergio Simóónn--DDííaz az (on behalf of the VLT/FLAMES(on behalf of the VLT/FLAMES--II Tarantula Survey consortium)II Tarantula Survey consortium)

Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

Page 2: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

ESO Large Programme (160hrs) : 184.D-0222 PI: C.J. EvansESO Large Programme (160hrs) : 184.DESO Large Programme (160hrs) : 184.D--0222 PI: C.J. Evans0222 PI: C.J. Evans

MultiMulti--epoch spectroscopy of over 800 Massive Stars epoch spectroscopy of over 800 Massive Stars in the 30 Dor region of the LMCin the 30 Dor region of the LMC

Three modes of Three modes of FLAMES@VLTFLAMES@VLT::

Medusa fibreMedusa fibre--fed fed + + GiraffeGiraffe ARGUS IFU + GiraffeARGUS IFU + Giraffe UVES in fibreUVES in fibre--fed modefed mode

Page 3: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

10'

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

Observations (I): Medusa + GiraffeObservations (I): Medusa + Giraffe

9 Medusa configurations9 Medusa configurations

Spatial coverage: 20Spatial coverage: 20’’

V<17V<17

No color cuts (to avoid No color cuts (to avoid selection biases)selection biases)

1000 targets1000 targets

LR02:LR02: 39603960--4564 4564 ÅÅ R=7000R=7000LR03:LR03: 44994499--5071 5071 ÅÅ R=8500R=8500HR15N:HR15N: 64426442--6817 6817 ÅÅ R=16000R=16000

MULTIMULTI--EPOCH: LR02EPOCH: LR02

Page 4: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

Observations (II): ARGUS IFU + GiraffeObservations (II): ARGUS IFU + Giraffe

5 pointings of R1365 pointings of R136

00””.52/spaxel mode.52/spaxel mode

FOV: 12FOV: 12”” x 7x 7””

LR02: 3960LR02: 3960--4570 4570 ÅÅ R=10500R=10500

Page 5: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

Observations (II): ARGUS IFU + GiraffeObservations (II): ARGUS IFU + Giraffe

5 pointings of R1365 pointings of R136

00””.52/spaxel mode.52/spaxel mode

FOV: 12FOV: 12”” x 7x 7””

LR02: 3960LR02: 3960--4570 4570 ÅÅ R=10500R=10500

Observations (III): UVESObservations (III): UVES

5 pointings: 25 stars (bonus!!)5 pointings: 25 stars (bonus!!)

520: 4175520: 4175--6200 6200 ÅÅ R=53000R=53000

Page 6: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

Spectral type #

O-type 290B-type 485

Cool 90

WR/slash 20

Foreground ~100

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

Some preliminary numbers ...Some preliminary numbers ...

Page 7: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

Effects of stellar rotation on massive star evolution?

Sufficient fast rotators to feed GRB channel?

Census and characterization of the massive stars popullation in 30 Dor

Binary fraction of massive stars?

Feedback to ISM from stellar winds? Stellar ionizing fluxes?

Dynamical evidence of infant mortality? mass

segregation?

Evolution of the most massive stars?

Investigation of important outstanding questions regarding

the formation, physical properties and evolution of massive stars

Scientific motivationsScientific motivations

Dynamical mass of R136?

Rotational velocity distribution in O and B stars?

30 Dor: A template for starburst and extragalactic HII regions

The nature of B Supergiants

Mass loss properties in massive stars

Page 8: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

PI: C.J. Evans (UKATC, Edinburgh)PI: C.J. Evans (UKATC, Edinburgh)

N. Bastian, J.M. Bestenlehner, E. Bressert, N. Bastian, J.M. Bestenlehner, E. Bressert, I. Brott, M.A. Campbell, M. Cantiello, I. Brott, M.A. Campbell, M. Cantiello, G. Carraro, J.S. Clark, P.A. Crowther, G. Carraro, J.S. Clark, P.A. Crowther, A. de Koter, S.E. de Mink, E. Doran, A. de Koter, S.E. de Mink, E. Doran, P.L. Dufton, P. Dunstall, K. Friedrich, P.L. Dufton, P. Dunstall, K. Friedrich, M. Gieles, G. Graefener, V. HenaultM. Gieles, G. Graefener, V. Henault--Brunet, Brunet, I. Howarth, R. Izzard, N. Langer, I. Howarth, R. Izzard, N. Langer, D.J. Lennon, N. Markova, J. Puls, H. Sana, D.J. Lennon, N. Markova, J. Puls, H. Sana, S.J. Smartt, V.E. Stroud, W.D. Taylor, S.J. Smartt, V.E. Stroud, W.D. Taylor, J.Th. van Loon, J.S. Vink, N. WalbornJ.Th. van Loon, J.S. Vink, N. Walborn

People in the consortiumPeople in the consortium CountriesCountries

The spanish participationThe spanish participation

A. Herrero (IAC)A. Herrero (IAC)F. Najarro (CABF. Najarro (CAB--CSIC)CSIC)S. SimS. Simóónn--DDííaz (IAC)az (IAC)J. MaizJ. Maiz--Apellaniz (IAAApellaniz (IAA--CSIC)CSIC)C. SabC. Sabíín SanJulian (IAC) n SanJulian (IAC)

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

UK, The Netherlands, UK, The Netherlands, Chile, Germany, Austria, Chile, Germany, Austria, USA, Bulgaria, SpainUSA, Bulgaria, Spain

An exciting project supported by a motivating collaboration ...An exciting project supported by a motivating collaboration ...

Page 9: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

• Large sample of OB stars at different metallicities

• Used open clusters as stellar nurseries:• 2x Milky Way• 2x LMC (Z ~ 40% solar)• 2x SMC (Z ~ 20% solar)

• FLAMES + FEROS + UVES• Analysis of >700 OB stars

in a series of 11 papers

... and built on the experience of a previous ESO Large Programm... and built on the experience of a previous ESO Large ProgrammeeThe VLT/FLAMES Survey of Massive stars (“FLAMES-I”)

171.D-0237 + 073.D-0234 (112 hrs) PI: S.J. Smartt

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

Evans et al. (2005, 2006)

Page 10: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

Mdot Z0.83

Two of the main outcomes from FLAMESTwo of the main outcomes from FLAMES--II

Mass loss properties of massive starsMass loss properties of massive stars

FLAMESFLAMES--Tarantula (290 OTarantula (290 O--type stars!)type stars!)Mass loss as the most massive stars Mass loss as the most massive stars

evolve from O to Of/WN to WN typesevolve from O to Of/WN to WN types

Surface N abundaces in BSurface N abundaces in B--type starstype stars

Mokiem et al. (2007) 23 O-type stars Hunter et al. (2008, 2009)

FLAMESFLAMES--TarantulaTarantulaRotational mixing: more significant Rotational mixing: more significant

in O starsin O stars

Page 11: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula SurveyFLAMES Tarantula SurveyJornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11

10'R.V. analysis:

Single: 50%SB2: 14%SB1: 16%rvvar: 7%LPV: 6%Neb/other: 7%

Spectral type #O-type 290

B-type 485

Cool 90

WR/slash 20

Foreground ~100

The VLT/FLAMES Tarantula Survey of Massive starsThe VLT/FLAMES Tarantula Survey of Massive stars

SINGLE STARS VS. BINARIES !!!!SINGLE STARS VS. BINARIES !!!!

Page 12: VLT-FLAMES Tarantula Survey of Massive Starsvenus.ifca.unican.es/~barcons/JornadaESO2011/25_S.Simon-Diaz_IA… · Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada,

VLTVLT--FLAMES Tarantula Survey of Massive StarsFLAMES Tarantula Survey of Massive Stars

Sergio SimSergio Simóónn--DDííaz az (on behalf of the VLT/FLAMES(on behalf of the VLT/FLAMES--II Tarantula Survey consortium)II Tarantula Survey consortium)

Jornada ESO 2011 Jornada ESO 2011 ---- Granada, 11/02/11Granada, 11/02/11


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