Manuel Antonio Castro Avila - INPE · Manuel Antonio Castro Avila Jo~ao Braga, Fl avio D’Amico...
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OS EXPERIMENTOS protoMIRAX e MIRAX Manuel Antonio Castro Avila Jo˜ ao Braga, Fl´ avio D’Amico Workshop da Divis˜ ao de Astrof´ ısica 3 - 4 de maio de 2016 Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 1 / 12
Transcript of Manuel Antonio Castro Avila - INPE · Manuel Antonio Castro Avila Jo~ao Braga, Fl avio D’Amico...
OS EXPERIMENTOS protoMIRAX e MIRAX
Manuel Antonio Castro Avila
Joao Braga, Flavio D’Amico
Workshop da Divisao de Astrofısica
3 - 4 de maio de 2016
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 1 / 12
O protoMIRAX/MIRAX
PbSn
Cu
Mask
Collimator
Shielding
Detection plane
Rear shielding
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 2 / 12
Componentes do ruıdo
Energy (MeV)1−10 1 10
-1 M
eV-1
sr
-1 s
-2P
hoto
ns c
m
3−10
2−10
1−10
1
10 °0 - 65°65 - 95
°95 - 130°130 - 180
-ray photonsγAtmospheric
Energy (MeV)1 10
-1 M
eV-1
sr
-1 s
-2P
artic
les
cm 3−10
2−10 Electrons
Energy (MeV)1 10 210
-1 M
eV-1
sr
-1 s
-2P
artic
les
cm
2−10
1−10
Neutrons
Energy (MeV)10 210 310 410 510
-1 M
eV-1
sr
-1 s
-2P
artic
les
cm
8−10
7−10
6−10
5−10
4−10 Primary protons
Secondary protons
Protons
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 3 / 12
Energy (keV)10 210 310 410 510
-1 k
eV-1
sr
-1 s
-2P
hoto
ns c
m
10−10
9−10
8−10
7−10
6−10
5−10
4−10
3−10
2−10
1−10 -ray backgroundγCosmic diffuse
Energy (keV)10 210 310 410 510
-1 k
eV-1
sr
-1 s
-2P
hoto
ns c
m
7−10
6−10
5−10
4−10
3−10
2−10Albedo photons
Energy (keV)610 710
-1 k
eV-1
sr
-1 s
-2P
artic
les
cm
11−10
10−10
9−10
8−10 Galactic cosmic rays
Energy (keV)610
-1 k
eV-1
sr
-1 s
-2P
artic
les
cm
11−10
10−10
9−10
8−10 Trapped protons
Energy (keV)10 210 310 410 510 610
-1 k
eV-1
sr
-1 s
-2P
artic
les
cm
10−10
9−10
8−10
7−10
6−10
5−10
Neutrons
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 4 / 12
Normalizacao
N =
∫IN cos θ dΩ dA dt dE ,
N = π AT
∫IN dE ,
dΩ = dφ sin θdθdA = R2 sinαdαdΦ
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 5 / 12
Contribuicao do ruıdo
Energy (keV)210
)-5
10× (
-1 k
eV-1
s-2
Cou
nts
cm
30
40
50
607080
100
200
300
Total background
Gamma
Protons
Neutrons
protoMIRAX Background
Energy (keV)40 50 60 70 80 90 100 200
-1 k
eV-1
s-2
Cou
nts
cm
0.30.4
1
2
Electrons
)-5
10
×(-1
keV
-1 s
-2C
ount
s cm
Energy (keV)20 30 40 50 60 70 100 200
)-5
10
× (
-1 k
eV-1
s-2
Cou
nts
cm
0.81
2
34
10
20
30
100
200
300Total background
-ray radiationγCosmic diffuse
Albedo photons
Galactic Cosmic Rays
NeutronsTrapped protons
MIRAX Background
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 6 / 12
Distribuicao espacial
-1Co
unts
sDetector number
1 2 3 4 5 6 7 8 9 10111213Detector number 12345678910111213
-310×
0
5
10
15
20
25
30
° - 65°-ray background: 0γ
Detector number1 2 3 4 5 6 7 8 9 10 1112 13
Detector number 12345678910111213
-310×
02468
10121416
° - 95°-ray background: 65γ
Detector number1 2 3 4 5 6 7 8 9 10111213
Detector number 12345678910111213
-310×
05
101520253035
° - 130°-ray background: 95γ
Detector number1 2 3 4 5 6 7 8 9 10 1112 13
Detector number 12345678910111213
-310×
02468
10121416
° - 180°-ray background: 130γ
Detector number1 2 3 4 5 6 7 8 9 10111213
Detector number 12345678910111213
-310×
05
1015202530354045
Primary Protons
Detector number1 2 3 4 5 6 7 8 9 10 1112 13
Detector number 12345678910111213
-310×
05
101520253035
Secondary Protons
Detector number1 2 3 4 5 6 7 8 9 10111213
Detector number 12345678910111213
-310×
00.20.40.60.8
11.21.41.61.8
22.22.4
Electrons
Detector number1 2 3 4 5 6 7 8 9 10 1112 13
Detector number 12345678910111213
-210×
0123456789
Neutrons
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-1C
ount
s s
Detector number1 2 3 4 5 6 7 8 910111213
Detector number12345678910111213
-210×
0
2
4
6
8
10
-ray radiationγCosmic diffuse
Detector number1 2 3 4 5 6 7 8 9 10111213
Detector number12345678910111213
-210×
0
2
4
6
8
10
12
Albedo photons
Detector number1 2 3 4 5 6 7 8 910111213
Detector number12345678910111213
-310×
02468
101214
Galactic Cosmic Rays
Detector number1 2 3 4 5 6 7 8 9 10111213
Detector number12345678910111213
-310×
0
1
2
3
4
5
Neutrons
Detector number1 2 3 4 5 6 7 8 910111213
Detector number12345678910111213
-410×
05
101520253035
Trapped protons
Detector number1 2 3 4 5 6 7 8 9 10111213
Detector number12345678910111213
-210×
0
5
10
15
20
25
Total background
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 8 / 12
Reconstrucao de imagens
Energy (keV)10 100
-1 k
eV-1
s-2
Pho
tons
cm
6−10
5−10
4−10
3−10
2−10
1−10Crab nebula
1E 1740.7-2942
GRS 1758-258
para o protoMIRAX
F (E) = F0(E) e−µ
ρ(E) x sec(z)
cos z(t) = sinϕ sin δ + cosϕ cos δ cos(t − α)
N =
∫S
∫ Emax
Emin
∫ T
0F0(E) e
−µρ
(E) x sec(z(t))dt dE dS
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 9 / 12
Imagem reconstruıda
)°
Angular coordinates (-10.05-6.70 -3.35 0 3.35 6.70 10.05
)°
Angular coordinates (-10.05-6.70
-3.350
3.356.70
10.05
σ
050
100150200250300350400450
σ0
50
100
150
200
250
300
350
400
)°Angular coordinates (
-10.05 -6.70 -3.35 0 3.35 6.70 10.05
)°
Angular coordinates ( -10.05-6.70
-3.350
3.356.70
10.05
σ
0
20
40
60
80
σ
0
10
20
30
40
50
60
70
80
Crab - MIRAX - 4h Crab - protoMIRAX - 4h
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 10 / 12
)°
Angular coordinates (-10.05-6.70 -3.35 0 3.35 6.70 10.05
)°
Angular coordinates (-10.05-6.70
-3.350
3.356.70
10.05
σ
0
5
10
15
20
σ
2−
0
2
4
6
8
10
12
14
16
18
Figura: 1E 1740.7−2942 e GRS 1758−258
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 11 / 12
Manuel Castro protoMIRAX e MIRAX 3 - 4 de maio de 2016 12 / 12
