ASASSN-15tg

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Information

Transient

Name: ASASSN-15tg
Right ascension: 0h20m41.04s
Declination: 25d13m44.57s
Discovery Date: None
Classification: SN Ia
Redshift: 0.035430
MW E(B-V): 0.025

Host

Name: ASASSN-15tg
Right ascension: 0h20m41.60s
Declination: 25d13m40.58s
Redshift: 0.035615
Photometric Redshift: 0.048
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.97
Cutout download processed 16.62
Global aperture construction processed 0.58
Local aperture photometry processed 5.8
Global aperture photometry processed 5.48
Validate local photometry processed 0.03
Validate global photometry processed 16.82
Host information processed 0.12
Global host SED inference time limit exceeded 7196.56
Local host SED inference processed None
Transient information processed 0.0
Transient MWEBV processed 0.03
Host MWEBV processed 0.05
Log transient processing status blocked 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) = 0h20m41.04s, 25d13m44.57s
semi major axis, semi minor axis (arcsec) = 2.82, 2.82
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 26.12 2.55 20.357 0.106 AB
SDSS_g 245.04 4.12 17.927 0.018 AB
PanSTARRS_g 293.27 0.9 17.732 0.003 AB
SDSS_r 791.57 7.39 16.654 0.010 AB
PanSTARRS_r 866.74 0.86 16.555 0.001 AB
DES_r 909.71 2.56 16.503 0.003 AB
SDSS_i 1328.97 9.66 16.091 0.008 AB
PanSTARRS_i 1469.71 1.34 15.982 0.001 AB
PanSTARRS_z 1941.52 2.74 15.680 0.002 AB
SDSS_z 1732.37 14.02 15.803 0.009 AB
DES_z 1688.76 7.88 15.831 0.005 AB
PanSTARRS_y 2002.16 6.2 15.646 0.003 AB
2MASS_H 1809.4 86.57 14.389 0.052 Vega

Aperture details

RA, DEC (J2000) = 0h20m41.28s, 25d13m42.56s
semi major axis, semi minor axis (arcsec) = 16.75, 6.33
angle (degrees, anti-clockwise from east) = -57.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 86.14 5.55 19.062 0.070 AB
GALEX_NUV 108.22 3.11 18.814 0.031 AB
SDSS_u 133.85 8.76 18.583 0.071 AB
SDSS_g 734.81 7.5 16.735 0.011 AB
PanSTARRS_g 808.53 3.01 16.631 0.004 AB
SDSS_r 1651.28 11.33 15.855 0.007 AB
PanSTARRS_r 1671.97 2.61 15.842 0.002 AB
DES_r 1772.43 3.78 15.779 0.002 AB
SDSS_i 2455.57 14.75 15.425 0.007 AB
PanSTARRS_i 2507.23 3.92 15.402 0.002 AB
SDSS_z 3029.11 35.65 15.197 0.013 AB
DES_z 3100.47 10.93 15.171 0.004 AB
2MASS_J 4154.85 231.67 13.959 0.061 Vega
2MASS_H 4911.06 362.52 13.304 0.080 Vega
2MASS_K 3613.33 359.04 13.167 0.108 Vega
WISE_W1 1706.49 27.93 13.121 0.018 Vega
WISE_W2 945.74 32.76 13.122 0.038 Vega
WISE_W3 1087.54 136.58 11.135 0.136 Vega
WISE_W4 3839.38 957.29 8.319 0.271 Vega
 

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})\, 10.179 10.283 10.362
{\rm log}_{10}({\rm SFR}) -1.483 -0.662 -0.187
{\rm log}_{10}({\rm sSFR}) -11.842 -10.922 -10.428
{\rm stellar\ age} 7.902 11.307 12.580

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.906 -1.726 -1.444
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.909 -1.572 -0.606

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.064 1.228 1.392
\delta -0.806 -0.686 -0.543
\tau_1/\tau_2 0.575 1.001 1.406
Q_{PAH} 0.418 2.092 4.619
U_{min} 3.497 9.692 17.708
{\rm log}_{10}(\gamma_e)\, -2.879 -1.581 -0.842

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.230 -2.250 -0.479
{\rm log}_{10}(\tau_{AGN})\, 0.940 1.442 1.861

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.339 -0.796 -0.202
0.03-0.10 Gyr -2.244 -0.780 -0.156
0.10-0.33 Gyr -3.499 -1.111 -0.321
0.33-1.09 Gyr -4.185 -1.418 -0.464
1.09-3.61 Gyr -4.198 -1.605 -0.188
3.61-11.95 Gyr -2.299 -0.108 0.429
11.95-13.28 Gyr 0.338 1.322 1.492

Global parameter details

Documentation