the massive survey - hipacc.ucsc.eduhipacc.ucsc.edu/lectureslides/26/503/140812_6_ma.pdf · osiris...
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Chung-Pei Ma (UC Berkeley) !Jenny Greene (Princeton) Nicholas McConnell (U Hawaii) Ryan Janish (UC Berkeley) Jens Thomas (MPE) John Blakeslee (Herzberg) Jeremy Murphy (Princeton)
!!!
The MASSIVE SURVEY
Ma et al (2014) arXiv 1407.1054
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An integral field spectroscopic survey of the ~100 most massive early-type galaxies within ~108 Mpc !!Volume-limited, selected based on stellar mass (K-band mag) !!Also a multi-wavelength, photometric survey !!Use spatially-resolved 2-d stellar kinematics to study the formation history of early-type galaxies and their central black holes in the nearby universe
The MASSIVE Survey
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Why study the most massive ETGs? They are potential ! Hosts of the most massive black holes Quiescent counterparts of high-z luminous quasars Descendants of z~2 massive SF galaxies & compact red nuggets Sites of varying IMFs Why another galaxy survey? ! Only ~65% of MASSIVE galaxies have SDSS photometry Only ~25% have SDSS spectra (single 3’’ fiber) Only 6 are in Sauron/ATLAS3D survey (260 galaxies) Only 2 are in SLUGGS survey (25 galaxies) Only ~75% live in identifiable group/cluster environments !!
The MASSIVE Survey
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Sample SelectionStellar-mass selected K < - 25.3 (2MASS XSC) M* > 1011.5 Msun ATLAS: K < -21.5 !Volume limited D < 108 Mpc (2MASS Redshift Survey) Include Virgo & Coma Clusters ATLAS: D < 42 Mpc !Morphology ~100 Early-type galaxies (Hyperleda) Mostly ellipticals A handful S0s ATLAS: many fast rotators, S0s Additional criteria Dec > -6 Av < 0.6 No overlapping neighbors
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Wide-field (107”x107”) Mitchell IFU McDonald 2.7m 246 fibers each 4” 3600-5800 å Out to ~2 Re for >50% galaxies ! High-resolution (~0.1” to 3”) OSIRIS + AO Keck NIFS + AO Gemini GMOS N+S Gemini Photometry CFHT, UKIRT, HST, PanSTARRS
The MASSIVE Survey Combine wide-field and high-resolution (AO) IFUs
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NGC 4889
New parameter space: stellar mass and distance
M87
MASSIVE survey
ATLAS3d
Ma et al. (2014)
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ATLAS3d
NGC 4889
M87
RSiL - σ Relation
MASSIVE survey
Ma et al. (2014)
No cuts on velocity dispersions
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ATLAS3d
RSizSize - Mass Relation
M87
NGC 4889MASSIVE survey
Ma et al. (2014)
No cuts on size
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2MASS RS Group Catalog (Crook et al 2007)
Diverse Environment
90 galaxies are in “groups”
65 BGGs
Virial mass of group halos Ma et al. (2014)
26 are group less
~50% of galaxies in groups with Mhalo> 1013.7 Msun
are not Brightest Group Galaxies
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NGC5208 PGC047776 NGC5252 NGC5322 NGC5353
NGC5490 NGC5557 UGC10097 NGC6364 NGC7386
NGC7436 NGC7550 NGC7556 NGC7619 NGC7626
NGC7681
SDSS Composite Images
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Survey Status
McDonald Mitchell IFU (~4 to 107 arcsec) In hand: IFU data for 50+ galaxies Data mostly reduced Extracting stellar kinematics Running mock tests & orbit models Stellar population gradients
Gemini/Keck IFU + AO (~0.1 to 3 arcsec) 20+ candidates for Mbh Among these, 7 have published Mbh
In hand: 5+ others
Entire Sample (K < -25.3, D<108 Mpc) 116 candidate galaxies High Priority Targets (K < -25.5, D<105 Mpc) 71 candidate galaxies
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RSizMitchell IFU Spectra
Black: data Red: pPXF fits
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NGC 1600: Kinematic Maps
V
σ
h3
h4
Janish et al (2014 in prep) Thomas et al (2014 in prep)
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Examples of Survey Science
Black hole-galaxy correlations McConnell & Ma (2013)
Dynamical M*/L IMF variations Cappellari et al (2012)
Chemical abundance gradients Greene et al (2013)
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MBH / �5.64±0.32
(✏0 = 0.38)
MBH / �5.20±0.36
(✏0 = 0.34)
MBH / �5.06±1.16
(✏0 = 0.46)
All 72 galaxies
53 early-type galaxies
19 late-type galaxies
MBH � � Relation
McConnell & Ma (2013)
N1277
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Black Hole - Galaxy CorrelationsMcConnell et al (2014 in prep)
MBH � � Relation
MBH � Lv Relation
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The MASSIVE Survey
the Mitchell spectrograph Assembly of Stars and Stuff with Integral-field spectroscopy in the Visible, oh, and we’re looking at Early-type galaxies
OR simply MASSIVE!
MASSIVE = ? !!
Summary ! Survey in progress, targeting new parameter space M* > 1011.5 Msun D < 108 Mpc Deep K-band imaging on CFHT and UKIRT ! ~1/3 have HST and Chandra/XMM archival data ! HI or CO gas? ! Welcome input, collaboration, theoretical interpretation