1. No category

MeierFest
Not Jets
David Murphy
Jet Propulsion Laboratory
California Institute of Technology
20-Mar-15
A Brief History of Meier Time
PreEJPL%
1950%
Wash%U%
1960%
U%MO%
U%TX%
Caltech%/%
IOA%
SuperEEdd%%
SN%Theory%(Jets)% Winds%&%Disks%
Gene-cs% 1970% Solid%
State%
Phys%
Galaxy% 1980%
Forma-on%
JPL%
1980% Finite%Element%Modeling% 1990%
QUASAT% SHEVE% SDI%/%% SEI%/%%%%%%
HYPERCUBE% INTERE%%
FEROMETERS%
20-­‐Mar-­‐15 Jets%
Space%VLBI%/%
VSOP%
2000%
2010%
SIM%
2 strs"parent"
×"
strr"children"
strr"parent"
Late 60s: Genetics Research
K12"ribosomal"protein"
was"thought"to"be"the"
source"of"streptomycin"
drug"resistance"in"E."Coli."
"
However,"K12"is"missing"
in"a"streptomycin"
resistant"E."Coli"strain.""
"
So,"K12"itself"does"not"
contain"the"mutaAonal"
change"that"leads"to"strr."
E.#Coli#Ribosomal#Proteins#
#
Mayuga,#Meier,#&#Wang#(1968)#
20-­‐Mar-­‐15 3 Mid 70s: SN Theory
Mosta et al, ApJ, 2014
Efficient(conversion(of(rota/onal(to( Inefficient(conversion(of(rota/onal(to(
magne/c(energy(s/ll(could(produce(((((((((((
magne/c(energy(could(produce((((((((((((((((((((((((
r7process(elements(((((((((((((((((((((((((((((((((((((((((((
r7process(elements(((((((((((((((((((((((((((((((((((((((((
but(not(MHD(supernovae(
and(rare(MHD(supernovae(
20-­‐Mar-­‐15 Meier,&Epstein,&Arne-,&&&Schramm&(1976)&
4 Late 70s: Galaxy Formation #1
Primeval)galaxies)in)rapid)star)
forma3on)should)have))))))))))))))))))
(1))a)strong)UV)con3nuum))))))))))))))))))
(2))a)break)at)the)Lyman)limit))))))))))
and)(3))a)strong)Lyman)α)line)
PGs)can)be)detected)with)photometry)))))))
by)looking)for)dropouts))))))))))))))))))))))))))))))))
using)a)2Ecolor)technique)
Meier%(1976)%
20-­‐Mar-­‐15 5 Late 70s: Galaxy Formation #2
Meier%&%Sunyaev%(1979)%
20-­‐Mar-­‐15 6 Late 70s: Super Eddington Winds
Fig. 16.13 in
20-­‐Mar-­‐15 7 Mid 80s: Southern Hemisphere VLBI Experiment
20-­‐Mar-­‐15 8 Late 80s: Hypercube
Gen.&Lew&Allen& Carl&Kukkonen&
Roger&Lee&
Dave&Rogstad&
Dave&Curkendall&
Paule7&Liewer&
Moshe&Pniel&
The&Hypercube&led&to:&
!  Need&for&the&JPLGdesigned&Hyperswitch&chip&
!  Kukkonen&&&Cole&building&new&JPL&MicroGDev&Lab&
!  BICEP2&chips&&
20-­‐Mar-­‐15 David&Payne&
Terry&Cole&
9 Early 90s: Optical Interferometers
Lunar'Op8cal'Interferometer'(op8cal'VLA)'
Shao!(1990)!
Fizeau'Filled*arm'Telescope!(FFT)!
Synno*,!Meier,!et!al.!(1991)!
(forerunner!of!SIM)!
Synthesis'Array'for'Lunar'Submillimeter'Astronomy'
(SALSA;'ALMA'on'the'moon)!
Mahoney!&!Marsh!(1991)!
20-­‐Mar-­‐15 10 Early 80s + 90s: Space VLBI
•  QUASAT
• 
• 
NASA and ESA concept in 80s
S/C into Fake/UV-coverage/images
U.S. Space VLBI Project
VSOP UV-coverage
•  RadioAstron
• 
• 
• 
• 
10 m antenna/~380,000 km apogee
Launch: 2011
0.3, 1.6, 5, 55 GHz
SVLBSCHED software
•  VSOP
• 
• 
• 
• 
10 m antenna/~20,000 km apogee
Launch: 1997
1.6, 5, (22) GHz
SVLBSCHED software
VSOP
VSOP scheduling
20-­‐Mar-­‐15 11 00s: SIM: Space Interferometry Mission
• 
• 
• 
• 
SIM: detect nearby HZ exoplanets using stellar reflex motion
Developed end-to-end model for SIM mission: SIM-sim
Simulated SIM mission from 0.1 s -> 5 years
Incorporated error models derived from test-bed data
Instrument Model
Schedule
+
Astrometric Error Budget
=>
20-­‐Mar-­‐15 12 A Brief History of Meier Time
PreEJPL%
U%Mo%
JPL%
strs"parent"
Jets%
QUASAT% SHEVE% SDI%/%% SEI%/%%%%%%
HYPERCUBE% INTERE%%
FEROMETERS%
Galaxy% 1980%
Forma-on%
K12"ribosomal"protein"
was"thought"to"be"the"
source"of"streptomycin"
drug"resistance"in"E."Coli."
"
However,"K12"is"missing"
in"a"streptomycin"
resistant"E."Coli"strain.""
"
So,"K12"itself"does"not"
contain"the"mutaAonal"
change"that"leads"to"strr."
E.#Coli#Ribosomal#Proteins#
#
Mayuga,#Meier,#&#Wang#(1968)#
1980% Finite%Element%Modeling% 1990%
U%Texas% Caltech/IOA
SuperEEdd%%
SN%Theory%(Jets)% Winds%&%Disks%
Gene-cs% 1970% Solid%
×"
State%
Phys%
strr"children"
1960%
strr"parent"
1950%
Wash%U%
Space%VLBI%/%
VSOP%
2000%
Efficient(conversion(of(rota/onal(to( Inefficient(conversion(of(rota/onal(to(
Meier%&%Sunyaev%(1979)%
magne/c(energy(s/ll(could(produce(((((((((((
magne/c(energy(could(produce((((((((((((((((((((((((
r7process(elements(((((((((((((((((((((((((((((((((((((((((((
r7process(elements(((((((((((((((((((((((((((((((((((((((((
but(not(MHD(supernovae(
and(rare(MHD(supernovae(
Meier,&Epstein,&Arne-,&&&Schramm&(1976)&
2010%
SIM%
Lunar'Op8cal'Interferometer'(op8cal'VLA)'
Shao!(1990)!
Fizeau'Filled*arm'Telescope!(FFT)!
Synno*,!Meier,!et!al.!(1991)!
(forerunner!of!SIM)!
20-­‐Mar-­‐15 Synthesis'Array'for'Lunar'Submillimeter'Astronomy'
(SALSA;'ALMA'on'the'moon)!
Mahoney!&!Marsh!(1991)!
13