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Extragalactic science with adaptive optics ( a few highlights). Reinhard Genzel and Ric Davies (MPE). NACO& PARSEC imaging of ultraluminous mergers (R.Davies, S.Rabien, D.Bonaccini & LGSF team). 1 kpc.
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Extragalactic science with adaptive optics( a few highlights) Reinhard Genzel and Ric Davies (MPE) NACO& PARSEC imaging of ultraluminous mergers (R.Davies, S.Rabien, D.Bonaccini & LGSF team)
1 kpc Kinematic evidence (σ-drops) for nuclear disks is seen in ~30% of spiral galaxies Ganda et al. 2006, Emsellem et al. 2007, Davies et al. 07, Storchi-Bergman et al. 2008, 2009 Nuclear Star formation in AGNs the distant (D=66 Mpc) starburst & Seyfert NGC 7469 60 Myr nuclear star cluster nuclear gas fraction high dynamical calibration of CO-H2 conversion factor: 0.60.2 Galactic Davies et al. 2004
Starburst – AGN connection There appears to be a delay of 50-100 Myr between starburst & AGN activity AGN feeding through mass loss from AGB stars in circum-nuclear star formation ? Davies et al. 2007
NACO K + coronograph circum-nuclear molecular gas pa 15 H2 S(1) pa 77 60pc 40pc 1 pc VLTI MIDI p.a.77NIRSP p.a.15 NACO NACO M & radio/[OIII] NGC1068archetypal Sey 2(14 Mpc, 1”=67 pc) NACO K Gallimore et al.1997, Greenhill et al. 1997, Rouan et al. 2004, Gratadour et al. 2005, Davies et al. 2005, Jaffe et al. 2004, Schinnerer et al. 2000
55pc 10pc Mclump ~ 2 ×107 Msun infall timescale ~ 1.3 Myr dM/dt (to a few pc) ~ 15 Msun/yr this inflow rate is not sustainable Feeding the nucleus in NGC1068 H2 flux at 85mas (6pc) resolution Mueller Sanchez et al. 2009
Black Hole masses from Stellar Kinematics: classical vs pseudo bulges All black hole masses estimated lie on the MBH-σ* relation Nowak et al. 2007, 2008, 2010, & PhD thesis
Ks=23 Deep imaging(near bright stars) starting with COME-ON-PLUS…. SWAN survey (Ks<23, 15 arcmin2) NACO Ks, 1 hour 0.5” seeing, Strehl 0.35 Cresci et al. 2005, 2006 50”
clumpy high-z galaxies: mergers or ? BX610 MD41 BX389 BX482 BX528 Cowie et al. 1996, Giavalisco et al. 1996, Elmegreen et al. 2005, 2007, 2009, Förster Schreiber et al. 2009b, Lotz et al. 2006
2d Hα kinematics: BzK 15504 (z=2.38) is a large, clumpy & globally unstable disk -65 -130 BzK15504 z=2.38 0.5” (4kpc) FWHM Hα -260(±33) -200 0 +65 +200 +130 +400(±130) K-cont. Hα SINFONI +AO (VLT): 0.2” (1.6 kpc) resolution Mdyn(<10 kpc) ~1011 M vc=230 km/s, Rd=4 kpc SFR = 150 Myr-1, Q=0.8Σgas~ 300 M pc-2, fgas~0.3 Genzel et al. 1996, Nature 442, 786
BX663 (2.4) rotation- dominated rotation- dominated BX 610 (2.2) MD 41 (2.2) -120 dispersion dominated dispersion dominated -170 BX 404 (2.03) +160 N2 850.2 (2.45) HDF 76 (2.20) -220 30 K20-5 (2.2) 170 -170 -100 -5 170 +200 D3a 6397 (1.51) +100 SA12 8768 (2.2) BzK 15504 (2.4) 145 SA12 6339 (2.3) -200 HDF 169 (1.2) -50 -250 -145 HDF 242 (2.49) BX 502 (2.16) +50 30 K20-8 (2.2) BzK 6004 (2.4) 35 200 +250 -200 1” (8 kpc) -20 - 90 K20-6 (2.2) 80 ZC1101592 (1.41) -150 SMMJ09431 (3.35) 240 K20-9 (2.0) GK 167 (2.58) -100 SA12 6192 (1.51) BX 405 (2.03) -160 150 ZC782941 (2.2) 70 +200 H7 +500 40 160 -45 200 -60 BX482 (2.2) -60 + 130 -95 +60 -70 -240 H6 +100 240 GK2471 (2.43) BzK 4165 (1.7) -160 80 65 120 -35 -100 170 BX389 (2.2) -170 -170 30 1” (8 kpc) -120 D3a 4751 (2.27) 70 BM 1163 (1.41) 30 BX 599 (2.33) -70 100 N2850.4 (2.38) BX528 (2.3) -30 SMMJ131201 (3.41) GK2252 (2.41) 160 -300 +350 SMMJ105141 (1.21) K20-7 (2.2) -80 merger GK 2113 (1.61) 280 +200 -80 +300 merger 70 -70 120 -200 0 -30 -70 50 -350 110 +380 -280 The SINS survey of galaxy kinematics at z~1.5-2.5 (Förster Schreiber et al. 2009a, Cresci et al. 2009)
-200 z=2.4 BzK 15504 BX 482 z=2.2 1” (8 kpc) -240 +210 -130 +190 BzK-ZC782941 z=2.2 +160 z=2.4 BzK 6004 -160 + 140 empirical evidence for secular growth of central disk/bulge NGS/LGSF data sets: ~0.15-0.4” resolution (1.6 kpc) M(≤3 kpc)/M(≤15 kpc)~0.15-0.4 Genzel et al. 2008, Förster Schreiber et al. 2009