ASASSN-15lg

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Information

Transient

Name: ASASSN-15lg
Right ascension: 13h15m32.81s
Declination: 3d30m02.34s
Discovery Date: None
Classification: SN Ia
Redshift: 0.020360
MW E(B-V): 0.027

Host

Name: ASASSN-15lg
Right ascension: 13h15m32.43s
Declination: 3d30m03.87s
Redshift: None
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.61
Cutout download processed 16.91
Global aperture construction processed 0.63
Local aperture photometry processed 5.26
Global aperture photometry processed 5.15
Validate local photometry processed 0.02
Validate global photometry processed 12.92
Host information processed 0.12
Global host SED inference processed 614.96
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 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) = 13h15m32.81s, 3d30m02.34s
semi major axis, semi minor axis (arcsec) = 4.85, 4.85
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 37.27 6.04 19.972 0.176
SDSS_u 246.57 6.17 17.920 0.027
SDSS_g 761.71 7.33 16.696 0.010
DES_g 798.22 1.64 16.645 0.002
PanSTARRS_g 813.81 1.3 16.624 0.002
SDSS_r 1381.19 9.96 16.049 0.008
PanSTARRS_r 1354.82 1.82 16.070 0.001
DES_r 1518.04 3.81 15.947 0.003
SDSS_i 1847.87 12.1 15.733 0.007
PanSTARRS_i 1846.47 1.68 15.734 0.001
PanSTARRS_z 2239.26 3.24 15.525 0.002
SDSS_z 2414.78 20.9 15.443 0.009
PanSTARRS_y 2632.53 6.31 15.349 0.003
2MASS_J 3476.91 134.51 14.152 0.042
2MASS_H 4413.42 173.5 13.420 0.043
2MASS_K 3211.99 231.77 13.295 0.078

Aperture details

RA, DEC (J2000) = 13h15m32.70s, 3d30m02.95s
semi major axis, semi minor axis (arcsec) = 29.22, 9.25
angle (degrees, anti-clockwise from east) = -74.54

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 114.75 10.6 18.751 0.100
GALEX_NUV 166.01 2.95 18.350 0.019
DES_g 1996.52 2.78 15.649 0.002
PanSTARRS_g 2299.74 3.99 15.496 0.002
SDSS_r 3737.99 17.99 14.968 0.005
PanSTARRS_r 3836.35 5.56 14.940 0.002
DES_r 3680.39 6.24 14.985 0.002
SDSS_i 4775.69 23.99 14.702 0.005
PanSTARRS_i 5077.65 5.09 14.636 0.001
PanSTARRS_z 6004.17 10.5 14.454 0.002
SDSS_z 5906.14 59.38 14.472 0.011
PanSTARRS_y 6921.27 20.74 14.300 0.003
2MASS_J 8078.29 501.62 13.237 0.067
2MASS_H 11731.74 645.02 12.359 0.060
2MASS_K 8116.53 870.62 12.289 0.116
 

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})\, 9.556 9.648 9.756
{\rm log}_{10}({\rm SFR}) -0.905 -0.252 0.282
{\rm log}_{10}({\rm sSFR}) -10.623 -9.890 -9.360
{\rm stellar\ age} 5.643 7.415 8.994

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.564 -0.951 -0.407
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.859 -0.510 0.300

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.458 0.938 1.346
\delta -0.238 -0.008 0.302
\tau_1/\tau_2 0.623 0.988 1.347
Q_{PAH} 0.390 1.388 3.391
U_{min} 2.751 7.903 14.934
{\rm log}_{10}(\gamma_e)\, -3.485 -2.600 -1.185

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.401 -2.746 -0.723
{\rm log}_{10}(\tau_{AGN})\, 0.823 1.401 1.955

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.134 -0.597 -0.221
0.03-0.10 Gyr -0.928 -0.189 0.412
0.10-0.33 Gyr -0.999 -0.350 0.143
0.33-1.10 Gyr -1.263 -0.617 -0.170
1.10-3.66 Gyr -1.131 -0.472 -0.125
3.66-12.14 Gyr -0.646 -0.271 -0.108
12.14-13.49 Gyr -0.786 -0.193 0.390

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.048 10.118 10.199
{\rm log}_{10}({\rm SFR}) -0.566 -0.298 -0.049
{\rm log}_{10}({\rm sSFR}) -10.698 -10.433 -10.150
{\rm stellar\ age} 6.733 7.823 9.591

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.394 -0.837 -0.537
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.742 -1.049 0.120

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.402 0.671 1.042
\delta 0.038 0.239 0.345
\tau_1/\tau_2 0.583 0.968 1.372
Q_{PAH} 0.968 2.778 4.782
U_{min} 2.404 6.987 14.210
{\rm log}_{10}(\gamma_e)\, -3.476 -2.075 -1.203

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.421 -1.473 -0.802
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.339 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.012 -0.548 -0.259
0.03-0.10 Gyr -0.573 -0.237 0.057
0.10-0.33 Gyr -0.733 -0.302 0.029
0.33-1.10 Gyr -0.821 -0.308 0.145
1.10-3.66 Gyr -0.698 -0.096 0.272
3.66-12.14 Gyr -0.038 0.231 0.357
12.14-13.49 Gyr -0.148 0.358 0.936