ASASSN-15tz

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Information

Transient

Name: ASASSN-15tz
Right ascension: 2h41m08.87s
Declination: 43d40m48.59s
Discovery Date: None
Classification: SNIa
Redshift: 0.023752
MW E(B-V): 0.141

Host

Name: ASASSN-15tz
Right ascension: 2h41m09.34s
Declination: 43d40m57.72s
Redshift: 0.022862
Photometric Redshift: 0.031
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.87
Cutout download processed 11.21
Global aperture construction processed 0.62
Local aperture photometry processed 4.41
Global aperture photometry processed 4.68
Validate local photometry processed 0.02
Validate global photometry processed 13.62
Host information processed 0.08
Global host SED inference processed 409.36
Local host SED inference processed 429.09
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 2h41m08.87s, 43d40m48.59s
semi major axis, semi minor axis (arcsec) = 4.33, 4.33
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 6.41 2.63 21.882 0.446
SDSS_g 41.83 2.04 19.846 0.053
PanSTARRS_g 43.91 1.11 19.793 0.027
SDSS_r 97.81 3.18 18.924 0.035
PanSTARRS_r 92.15 1.46 18.989 0.017
PanSTARRS_i 141.68 1.53 18.522 0.012
PanSTARRS_z 156.25 3.06 18.415 0.021
SDSS_z 212.56 11.44 18.081 0.058
PanSTARRS_y 233.97 8.46 17.977 0.039
2MASS_J 177.62 109.78 17.381 0.671
2MASS_H 327.18 191.15 16.245 0.634
2MASS_K 436.92 172.82 15.461 0.429

Aperture details

RA, DEC (J2000) = 2h41m09.38s, 43d40m57.60s
semi major axis, semi minor axis (arcsec) = 43.06, 12.66
angle (degrees, anti-clockwise from east) = -86.34

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 684.26 15.28 16.812 0.024
PanSTARRS_g 3153.81 6.01 15.153 0.002
SDSS_r 6442.96 23.15 14.377 0.004
PanSTARRS_r 6572.58 8.01 14.356 0.001
PanSTARRS_z 12397.94 16.56 13.667 0.001
SDSS_z 14044.08 65.79 13.531 0.005
PanSTARRS_y 16287.05 45.03 13.370 0.003
2MASS_J 21907.47 640.5 12.154 0.032
2MASS_H 28498.16 1108.72 11.395 0.042
2MASS_K 24195.97 1006.64 11.103 0.045
WISE_W1 14441.54 104.07 10.802 0.008
WISE_W3 34738.85 441.91 7.374 0.014
WISE_W4 36171.9 2730.47 5.884 0.082
 

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})\, 8.561 8.743 8.888
{\rm log}_{10}({\rm SFR}) -1.697 -1.214 -0.752
{\rm log}_{10}({\rm sSFR}) -10.507 -9.976 -9.455
{\rm stellar\ age} 4.564 7.142 9.377

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.806 -1.442 -0.779
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.183 0.126 0.338

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.723 1.188 1.525
\delta -0.395 -0.141 0.151
\tau_1/\tau_2 0.750 1.087 1.414
Q_{PAH} 0.330 1.351 3.092
U_{min} 2.378 7.431 14.187
{\rm log}_{10}(\gamma_e)\, -3.547 -2.830 -1.429

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.075 -2.482 -0.545
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.389 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.680 -1.180 -0.795
0.03-0.10 Gyr -1.968 -1.254 -0.721
0.10-0.33 Gyr -2.284 -1.375 -0.847
0.33-1.10 Gyr -2.502 -1.488 -0.991
1.10-3.65 Gyr -2.299 -1.338 -0.992
3.65-12.11 Gyr -1.927 -1.257 -1.014
12.11-13.45 Gyr -1.922 -1.140 -0.439

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.488 10.583 10.671
{\rm log}_{10}({\rm SFR}) -0.017 0.439 0.745
{\rm log}_{10}({\rm sSFR}) -10.663 -10.170 -9.784
{\rm stellar\ age} 6.723 7.856 9.471

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.394 -0.171 0.025
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.165 0.212 0.386

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.350 0.576 0.821
\delta -0.617 -0.233 0.051
\tau_1/\tau_2 0.447 0.830 1.198
Q_{PAH} 0.483 1.186 2.342
U_{min} 2.054 5.705 11.657
{\rm log}_{10}(\gamma_e)\, -3.698 -3.092 -2.055

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.133 -1.849 -1.312
{\rm log}_{10}(\tau_{AGN})\, 1.038 1.297 1.711

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.057 0.366 0.556
0.03-0.10 Gyr -0.350 0.460 0.835
0.10-0.33 Gyr -0.581 0.276 0.697
0.33-1.10 Gyr -0.632 0.024 0.420
1.10-3.65 Gyr -0.255 0.345 0.668
3.65-12.11 Gyr 0.410 0.683 0.833
12.11-13.45 Gyr 0.291 0.814 1.389