ASASSN-15hg

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Information

Transient

Name: ASASSN-15hg
Right ascension: 9h53m48.57s
Declination: 9d11m38.03s
Discovery Date: None
Classification: SN Ia
Redshift: 0.031350
MW E(B-V): 0.042

Host

Name: ASASSN-15hg
Right ascension: 9h53m49.23s
Declination: 9d11m37.67s
Redshift: 0.029917
Photometric Redshift: 0.033
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.28
Cutout download processed 17.58
Global aperture construction processed 0.51
Local aperture photometry processed 5.93
Global aperture photometry processed 6.17
Validate local photometry processed 0.03
Validate global photometry processed 16.0
Host information processed 0.12
Global host SED inference processed 375.4
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) = 9h53m48.57s, 9d11m38.03s
semi major axis, semi minor axis (arcsec) = 3.34, 3.34
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 8.29 2.59 21.604 0.339 AB
SDSS_g 68.49 2.43 19.311 0.039 AB
DES_g 74.36 0.48 19.222 0.007 AB
PanSTARRS_g 82.16 0.85 19.113 0.011 AB
SDSS_r 143.93 3.4 18.505 0.026 AB
PanSTARRS_r 159.69 0.8 18.392 0.005 AB
DES_r 154.04 1.26 18.431 0.009 AB
SDSS_i 206.62 4.51 18.112 0.024 AB
PanSTARRS_i 220.51 1.2 18.041 0.006 AB
PanSTARRS_z 260.65 2.43 17.860 0.010 AB
SDSS_z 257.24 8.91 17.874 0.038 AB
DES_z 265.3 3.88 17.841 0.016 AB
PanSTARRS_y 345.88 5.16 17.553 0.016 AB
2MASS_J 354.85 94.13 16.630 0.288 Vega
2MASS_H 395.59 133.65 16.039 0.367 Vega
2MASS_K 455.59 168.51 15.416 0.402 Vega

Aperture details

RA, DEC (J2000) = 9h53m49.21s, 9d11m37.81s
semi major axis, semi minor axis (arcsec) = 14.76, 12.96
angle (degrees, anti-clockwise from east) = -112.57

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.64 1.91 19.961 0.055 AB
GALEX_NUV 61.74 1.16 19.424 0.020 AB
SDSS_u 477.65 11.69 17.202 0.027 AB
SDSS_g 2321.26 13.39 15.486 0.006 AB
DES_g 2494.17 2.58 15.408 0.001 AB
PanSTARRS_g 2551.83 3.6 15.383 0.002 AB
SDSS_r 4941.07 19.1 14.665 0.004 AB
PanSTARRS_r 5057.51 3.42 14.640 0.001 AB
DES_r 5391.8 7.2 14.571 0.001 AB
SDSS_i 7177.27 24.36 14.260 0.004 AB
PanSTARRS_i 7076.26 4.95 14.275 0.001 AB
PanSTARRS_z 8583.98 9.95 14.066 0.001 AB
SDSS_z 9282.45 41.17 13.981 0.005 AB
DES_z 9546.41 22.81 13.950 0.003 AB
PanSTARRS_y 10962.26 20.99 13.800 0.002 AB
2MASS_J 13948.31 435.74 12.644 0.034 Vega
2MASS_H 17320.8 614.08 11.936 0.038 Vega
2MASS_K 15350.76 778.66 11.597 0.055 Vega
WISE_W1 6758.12 59.57 11.626 0.010 Vega
WISE_W2 3741.99 63.03 11.628 0.018 Vega
WISE_W3 4476.3 242.08 9.599 0.059 Vega
WISE_W4 4161.53 1181.83 8.232 0.308 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})\, 9.052 9.167 9.292
{\rm log}_{10}({\rm SFR}) -2.025 -1.336 -0.831
{\rm log}_{10}({\rm sSFR}) -11.170 -10.527 -10.018
{\rm stellar\ age} 6.597 8.118 11.869

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.627 -1.141 -0.612
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.342 -0.184 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.363 0.927 1.327
\delta -0.528 -0.088 0.192
\tau_1/\tau_2 0.626 0.936 1.278
Q_{PAH} 0.545 1.877 4.068
U_{min} 2.516 7.579 14.296
{\rm log}_{10}(\gamma_e)\, -3.404 -2.387 -1.049

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.595 -1.478 -0.616
{\rm log}_{10}(\tau_{AGN})\, 0.888 1.274 1.713

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.006 -1.316 -0.897
0.03-0.10 Gyr -2.345 -1.419 -0.788
0.10-0.33 Gyr -2.827 -1.513 -0.876
0.33-1.10 Gyr -3.010 -1.514 -0.873
1.10-3.63 Gyr -2.856 -1.156 -0.707
3.63-12.02 Gyr -1.713 -0.811 -0.590
12.02-13.36 Gyr -1.053 -0.456 0.300

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.621 10.672 10.771
{\rm log}_{10}({\rm SFR}) -1.214 -0.879 -0.594
{\rm log}_{10}({\rm sSFR}) -11.915 -11.561 -11.257
{\rm stellar\ age} 8.005 9.396 12.455

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.746 -0.526 -0.386
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.400 0.094 0.330

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.198 0.295 0.450
\delta -0.558 -0.316 -0.111
\tau_1/\tau_2 0.206 0.551 0.993
Q_{PAH} 0.476 1.249 2.432
U_{min} 2.834 8.069 15.418
{\rm log}_{10}(\gamma_e)\, -3.512 -2.804 -1.929

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.634 -4.032 -3.143
{\rm log}_{10}(\tau_{AGN})\, 1.004 1.522 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.756 -0.480 -0.246
0.03-0.10 Gyr -3.777 -1.652 -0.888
0.10-0.33 Gyr -4.068 -1.635 -0.863
0.33-1.10 Gyr -3.652 -1.417 -0.659
1.10-3.63 Gyr -2.673 -0.818 -0.002
3.63-12.02 Gyr -0.439 0.768 0.909
12.02-13.36 Gyr 0.553 1.316 1.873