black holes everywhere - unam · locos, bri images, taken with the kpno 0.9m telescope using the...
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Black Holes Everywhere
Omar Ló[email protected]
Instituto Nacional de Astrofísica, Optica y Electrónica
(INAOE), Puebla, México
XXXI Reunión Annual de la División de Partículas y Campos, SMF
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SUMMARY
In this talk we highlight the role of black holes in the
universe.
I present projects currently underway where the
importance of black holes become apparent.
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EMPIRICAL CORRELATION
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WE BEGIN WITH SUPERMASSIVE BLACK HOLES.
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A2261-BGC
z=0.2233
2000=17:22:27.18
2000=+32:07:57.1
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POSTMAN ET AL. 2012 WERE INTRODUCING THE LARGEST CORE YET DETECTED IN ANY GALAXY…
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THE NUKER LAW (LAUER ET AL. 1995)
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LUMINOSITY VS. CUSP RADIUS
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BUT, I RECALLED ABELL 85. JAMES P. BROWN AND I HAVE WORKED ON IT BACK IN 1995 AT DA&A, UOFT
LOCOS, BRI images,
Taken with the KPNO 0.9m
Telescope using the T2KA CCD.
Seeing ~1.6 arcsec
Scale 0.68 arcsec/pixel
z=0.05529 +/- 2.4 X 10-4
Hoessel and collaborators during
the early 80’s have already singled
out that that HOLM 015A had a
very large core (modified Hubble
Profile)
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WE TRIED DGCG ON A85
We tried
DGCG on A85
using the
Nuker Law.
CFHT+MEGACAM
KPNO 0.9m + T2KA
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The surface brightness profile of Holm 15A
= 4.57 0.06 kpc
=18.480.04 kpc
A2261
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THE LARGEST CORE KNOWN SO FAR!!!
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HOW BIG IS THE SMBH IN HOLM 15A?
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WHAT IS THE EXPECTED MASS FOR THE CLUSTER’S DARK MATTER HALO?
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ARE JOINING THE STUPIDITY PANDEMIC?
Mayebe not
SMBH dominate the entropy budget in the observable universe (Egan & Lineweaver 201o)
Each SMBH contributes
Bekenstein (1973), Hawking (1966)
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EL PAÍS, SPAIN’S LARGEST NEWSPAPER
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BONFINI ET AL. (2015) HAS CHALLENGED OUR RESULT.
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Core-Sérsic: Trujillo et al (2004)et al.
(2004)
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Bonfini et al. (2015)
used GALFIT-
CORSAIR and
showed that Core-
Sérsic profile
doesn´t work for
Holm 15A, but
recovered Lópe-
Cruz et al. (2014)
Nuker fit.
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MADRID & DONZELLI (2016) HAVE ALSO CHALLENGED OUR RESULT.
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HOLM 15A VS. A GIANT ELLIPTICAL If it is not a core then what is it?
Nobody denies that 1010 Msun
lurks in the core Holm 15A.
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IS THERE A SMBH BINARY?
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Holm 15A
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Holm 15A
Maybe this is a third black hole
We have been
granted telescope
time at GTC during
2017 to confirm the
membership of
J004150
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WORK IN PROGRESS WITH FRANCISCO SIDDHARTA GUZMÁN MURILLO(DFM-UMSH)
Black Hole Kicks
Kicked reach up to
4000 km/s Kicked 106
Msun BH can
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WE NEED TO EXPLORE SCALING LAWS AT THE MOST MASSIVE END.
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WE´RE PROPOSING TO HST…
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Photons have spin angular momentun (s)and orbital angular momentum (OAM)
two angular momentum eigenvalue equations
From
BesselAssociate Legendre Polynomial
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Martin Harwit introduced the POAM concept in Astronomy in 2003
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Helicoidal Light Electromagnetic Waves
Light whirls
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Helicoidal waves
Phase
Intensity
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Orbital Angular Momentum:
Jz = mħE
E(r) exp(imφ) →Rotating Poynting Vector S
Allen et al., Phys. Rev. A
45, 8185 (1992).
Photon Orbital Angular Momentum (POAM)
m TOPOLOGICAL
CHARGES
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GTM ALFONSO SERRANO SAW FIRST LIGHT AT 7MM ON DECEMBER 24TH, 2010
Dr. Alfonso Serrano Perez Grovas (1 febrero, 1950- 12 de julio, 2011)
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CORONA: 7MM RADIOMETER
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EL GRAN TELESCOPIO MILIMÉTRICO (GTM/LMT)
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GTM/LMT will
have 2-6 better
brightness
sensitivity than
ALMA
FOV =1.5’
Beam Size=5’’ (1.1mm)
Pointing accuracy= 1’’
Aperture= 50m
Surface rms = 70 μm
Antenna Efficiency= 46%
180 segments
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SUPER-RALEIGH RESOLUTION FOR L=2
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Mari et al. 2012, Optics
Express, 20, 2445
Better by a factor of 10
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GRAN TELESCOPIO MILIMÉTRICO ALFONSO SERRANO PÉREZ-GROVAS (GTM/LMT) (MARCH 15, 2013)
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THE SEGMENTED VORTEX TELESCOPE CORONAGRAPH
GTM/LMT is a Cassegrain Telescope, this can be modeled as:
In order to generate images you need to solve the Fraunhofer diffraction
integral:
Aberration Function
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SVT: RESHAPING THE PRIMARY SURFACE
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• GTM/LMT can provide us with a new ‘gallery’ for submm-bright systems, complete (from JCMT) out to 60 pc.
– disc sizes are not as diverse as previously thought?
– Use GTM/LMT as a SVT coronagraph and search for planets outside circumstellar disks for host stars beyond 60 pc (AzTEC mapping speed 0.55 deg2/hr/mJy2 )
Contrast (SJ) <10-6
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AUGUST 2013 OPTICAL ENGINEERING’S COVER
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“You have clearly done an admirably detailed feasibility study”
Sir Michael Berry, FRS
Melville Wills Professor of Physics, U. Bristol
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WHAT THE F*** HAS TO THAT VORTEX S**** WITH SMBH, AT ALL?
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WE ARE GETTING THERE WITH THE EHT
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Detecting the vortex could
provide evidence that the SMBH
in the center of the Milky Way is
rotating…
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CAN WE CONSTRAIN THE INITIAL MASS OF SMBH?
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CONCLUSIONS
Black holes are everywhere…
They have become more fundamental than we had anticipated.