Quasars Probing the CGM of Star-‐ Forming Galaxies at z=0.2
OuPlow Candidates
Inflow Candidates
J091557.30+292618.3
J102907.00+421752.0
α α
Mg II RedshiH
Mg II BlueshiH J124601.81+173156.4
J143603.00+375131.0
α α J165931.92+373528.8
α
Mg II BlueshiH
Mg II RedshiH J142501.46+382100.5
Mg II BlueshiH
α
Mg II
• Down the barrel: ouPlow veloci_es of 45 to 214 km/s • Transverse: fit ouPlow velocity of 40 to 80 km/s • SFR is 4.6 to 15 M0/yr. • Mass loading is 0.1 to 0.9.
deprojected H↵ (DIS) deprojected H deprojected Mg II
Mg II
0
0
5 10 slit (arcsec) 5 10 slit (arcsec)
deprojected Mg II
15
15
20
20
600 line-of-sight Mg II velocity (km s 1)
vesc,1D (R = 30 kpc) vesc,1D (R = 60 kpc)
400
vesc,1D (R = 90 kpc) 2015A 2014A
200 0 200 400 600 9.0
9.5
Stephanie Ho, CLM, Kacprzak
10.0 10.5 log(M?/M )
11.0
Topics for Discussion • Is the thick gas disk (DIG, HI halos, dust halos) the “inner” CGM? • What is the structure of the CGM? Do the gas kinema_cs agree with simula_ons?
COS/Far-‐UV Spectra of ULIRGs CLM+2015 ApJ 803, 6
ß Compact at post-‐merger stage Highly structured during merger
CLM, Dijkstra + 2015 ApJ 803, 6
AGN
Unexpected BlueshiHed Line Wings on Lyα
• AGN? – Dominate LBol in two systems – Rest are starburst dominated
• Infall? – Unlikely at 1000 – 2000 km/s – Would places the gas on the backside of the dusty ULIRG; seems unlikely.
• Bulk mo(on required; not just sca5ering in frequency space. • Low column density N(HI) – Possible along the UV sightlines – High velocity because it is condensing out of the hot wind.
CLM, Dijkstra + 2015 ApJ 803, 6
AGN
Gas Inflows/OuPlows in the Inner Kpc • Infrared isophotes are perpendicular to op_cal isophotes. • Resolve a non-‐axisymmetric, circumnuclear structure. • Size R≈0.42” (520 pc) is consistent with a nuclear disk. Mar_n & Soto 2016 ApJ, 819, 49 Op(cal,Echellete Spectroscopy
ç 2 kpc => Near infrared Integral Field Spectroscopy with LGSAO
Gas Flows in the Inner kpc of IRAS23365+3604 “Bulge Forma(on”
• • • •
B-‐I Con_nuum Color
OuPlow lobes coincide with regions of low reddening. OuPlow accelerates 150 km/s over 1 kpc (in projec_on). A 106 MO cluster might provide ample Prad (Murray+2011). Note the absence of fast ouPlow in the nucleus!