ASASSN-16ch

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Information

Transient

Name: ASASSN-16ch
Right ascension: 13h11m58.02s
Declination: 14d33m59.07s
Discovery Date: None
Classification: SNIa
Redshift: 0.029268
MW E(B-V): 0.021

Host

Name: ASASSN-16ch
Right ascension: 13h11m57.82s
Declination: 14d33m59.22s
Redshift: 0.026683
Photometric Redshift: 0.061
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.57
Cutout download processed 18.38
Global aperture construction processed 0.58
Local aperture photometry processed 6.39
Global aperture photometry processed 6.48
Validate local photometry processed 0.03
Validate global photometry processed 17.63
Host information processed 0.1
Global host SED inference processed 364.32
Local host SED inference processed 573.93
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Log transient processing status processed None
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 13h11m58.02s, 14d33m59.07s
semi major axis, semi minor axis (arcsec) = 3.73, 3.73
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 112.65 3.65 18.771 0.035
SDSS_g 419.31 5.4 17.344 0.014
DES_g 444.74 1.15 17.280 0.003
PanSTARRS_g 415.91 1.01 17.353 0.003
SDSS_r 805.46 7.57 16.635 0.010
PanSTARRS_r 762.52 1.13 16.694 0.002
DES_r 874.63 3.39 16.545 0.004
SDSS_i 1097.75 8.98 16.299 0.009
PanSTARRS_i 1066.86 1.32 16.330 0.001
PanSTARRS_z 1334.64 2.57 16.087 0.002
SDSS_z 1461.78 14.15 15.988 0.011
DES_z 1551.54 8.47 15.923 0.006
PanSTARRS_y 1556.48 5.03 15.920 0.004
2MASS_J 1840.97 103.96 14.842 0.061
2MASS_H 2274.78 159.93 14.140 0.076
2MASS_K 2246.37 164.88 13.683 0.080

Aperture details

RA, DEC (J2000) = 13h11m57.80s, 14d33m59.21s
semi major axis, semi minor axis (arcsec) = 20.86, 6.33
angle (degrees, anti-clockwise from east) = -69.86

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 72.64 8.67 19.247 0.130
GALEX_NUV 93.79 1.74 18.970 0.020
SDSS_u 313.38 9.13 17.660 0.032
SDSS_g 1259.4 9.72 16.150 0.008
DES_g 1089.56 1.97 16.307 0.002
PanSTARRS_g 1236.23 2.95 16.170 0.003
SDSS_r 2284.03 13.54 15.503 0.006
PanSTARRS_r 2211.14 3.17 15.538 0.002
DES_r 2070.46 5.44 15.610 0.003
SDSS_i 3054.04 16.41 15.188 0.006
PanSTARRS_i 3011.81 3.73 15.203 0.001
PanSTARRS_z 3631.15 7.45 15.000 0.002
SDSS_z 3901.52 35.18 14.922 0.010
DES_z 3482.64 13.14 15.045 0.004
PanSTARRS_y 4347.74 14.88 14.804 0.004
2MASS_J 6225.84 368.72 13.520 0.064
2MASS_H 7905.98 564.79 12.788 0.078
2MASS_K 6236.38 587.17 12.575 0.102
WISE_W1 3188.02 41.37 12.442 0.014
WISE_W2 2030.0 47.23 12.292 0.025
WISE_W3 9613.99 189.76 8.769 0.021
WISE_W4 16962.07 1574.7 6.706 0.101
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.538 9.661 9.832
{\rm log}_{10}({\rm SFR}) -1.222 -0.465 0.155
{\rm log}_{10}({\rm sSFR}) -11.020 -10.170 -9.468
{\rm stellar\ age} 5.873 7.603 9.455

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.354 -0.722 -0.384
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.657 -0.163 0.282

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.435 0.870 1.256
\delta -0.575 -0.228 0.286
\tau_1/\tau_2 0.646 0.997 1.359
Q_{PAH} 0.788 2.753 5.198
U_{min} 2.453 7.495 14.548
{\rm log}_{10}(\gamma_e)\, -3.592 -2.552 -1.066

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.181 -2.435 -0.856
{\rm log}_{10}(\tau_{AGN})\, 0.884 1.356 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.138 -0.635 -0.293
0.03-0.10 Gyr -1.439 -0.453 0.280
0.10-0.33 Gyr -1.723 -0.696 -0.141
0.33-1.10 Gyr -1.691 -0.749 -0.221
1.10-3.64 Gyr -1.364 -0.479 -0.110
3.64-12.06 Gyr -0.708 -0.273 -0.062
12.06-13.40 Gyr -0.751 -0.127 0.526

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.149 10.229 10.325
{\rm log}_{10}({\rm SFR}) -0.529 -0.232 0.004
{\rm log}_{10}({\rm sSFR}) -10.765 -10.448 -10.224
{\rm stellar\ age} 7.705 8.479 11.017

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.436 -1.011 -0.723
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.067 0.355

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.629 0.813 0.985
\delta 0.204 0.295 0.362
\tau_1/\tau_2 0.507 0.894 1.320
Q_{PAH} 0.871 1.587 2.589
U_{min} 2.704 8.122 15.392
{\rm log}_{10}(\gamma_e)\, -2.760 -2.013 -1.502

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.562 -1.780 -1.331
{\rm log}_{10}(\tau_{AGN})\, 1.376 1.822 2.034

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.637 -0.700 -0.354
0.03-0.10 Gyr -0.516 -0.140 0.142
0.10-0.33 Gyr -0.932 -0.328 0.013
0.33-1.10 Gyr -1.323 -0.541 -0.206
1.10-3.64 Gyr -1.630 -0.463 0.001
3.64-12.06 Gyr -0.033 0.357 0.489
12.06-13.40 Gyr 0.021 0.638 1.268