ASASSN-15np

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Information

Transient

Name: ASASSN-15np
Right ascension: 15h06m02.59s
Declination: 7d33m41.27s
Discovery Date: None
Classification: SN Ia
Redshift: 0.039160
MW E(B-V): 0.026

Host

Name: ASASSN-15np
Right ascension: 15h06m02.66s
Declination: 7d33m41.77s
Redshift: 0.037668
Photometric Redshift: 0.088
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.37
Cutout download processed 17.89
Global aperture construction processed 0.53
Local aperture photometry processed 6.27
Global aperture photometry processed 6.23
Validate local photometry processed 0.02
Validate global photometry processed 15.38
Host information processed 0.12
Global host SED inference processed 398.15
Local host SED inference processed None
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) = 15h06m02.59s, 7d33m41.27s
semi major axis, semi minor axis (arcsec) = 2.68, 2.68
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 52.5 2.92 19.600 0.060 AB
SDSS_g 246.05 4.14 17.922 0.018 AB
DES_g 256.26 0.86 17.878 0.004 AB
PanSTARRS_g 246.3 0.66 17.921 0.003 AB
SDSS_r 545.0 6.18 17.059 0.012 AB
PanSTARRS_r 555.23 1.09 17.039 0.002 AB
DES_r 611.36 2.04 16.934 0.004 AB
SDSS_i 847.6 7.85 16.580 0.010 AB
PanSTARRS_i 791.64 0.9 16.654 0.001 AB
PanSTARRS_z 1065.0 1.83 16.332 0.002 AB
SDSS_z 1150.42 12.96 16.248 0.012 AB
DES_z 1191.62 5.12 16.210 0.005 AB
PanSTARRS_y 1282.91 4.49 16.130 0.004 AB

Aperture details

RA, DEC (J2000) = 15h06m02.64s, 7d33m41.93s
semi major axis, semi minor axis (arcsec) = 11.19, 5.07
angle (degrees, anti-clockwise from east) = -72.94

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.89 0.8 22.177 0.178 AB
GALEX_NUV 9.9 0.8 21.411 0.088 AB
SDSS_u 85.55 7.19 19.069 0.091 AB
SDSS_g 491.77 6.16 17.171 0.014 AB
DES_g 483.58 1.25 17.189 0.003 AB
PanSTARRS_g 507.24 1.71 17.137 0.004 AB
SDSS_r 1025.73 9.01 16.372 0.010 AB
PanSTARRS_r 1079.05 2.75 16.317 0.003 AB
DES_r 1085.58 2.8 16.311 0.003 AB
SDSS_i 1530.02 11.76 15.938 0.008 AB
PanSTARRS_i 1497.41 2.31 15.962 0.002 AB
PanSTARRS_z 1914.12 4.71 15.695 0.003 AB
SDSS_z 2025.48 29.28 15.634 0.016 AB
DES_z 1942.38 6.71 15.679 0.004 AB
PanSTARRS_y 2298.72 11.98 15.496 0.006 AB
WISE_W1 1896.59 24.5 13.006 0.014 Vega
WISE_W2 1383.11 33.22 12.709 0.026 Vega
WISE_W3 9177.09 108.76 8.819 0.013 Vega
WISE_W4 36532.55 1655.09 5.873 0.049 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})\, 9.746 9.880 10.004
{\rm log}_{10}({\rm SFR}) -1.175 -0.270 0.363
{\rm log}_{10}({\rm sSFR}) -11.222 -10.154 -9.411
{\rm stellar\ age} 5.813 7.460 9.808

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.333 -0.695 -0.361
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.767 0.031 0.325

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.580 0.992 1.380
\delta -0.801 -0.514 -0.311
\tau_1/\tau_2 0.664 1.054 1.444
Q_{PAH} 0.498 2.163 3.956
U_{min} 2.699 7.880 15.306
{\rm log}_{10}(\gamma_e)\, -3.391 -2.038 -0.943

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.182 -2.322 -1.023
{\rm log}_{10}(\tau_{AGN})\, 0.897 1.377 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.924 -0.233 0.153
0.03-0.10 Gyr -1.671 -0.337 0.442
0.10-0.33 Gyr -1.834 -0.545 0.169
0.33-1.09 Gyr -1.819 -0.554 -0.068
1.09-3.61 Gyr -1.510 -0.343 0.028
3.61-11.93 Gyr -0.668 -0.065 0.139
11.93-13.25 Gyr -0.600 0.071 0.806

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.120 10.227 10.361
{\rm log}_{10}({\rm SFR}) -1.316 -0.851 -0.464
{\rm log}_{10}({\rm sSFR}) -11.572 -11.108 -10.628
{\rm stellar\ age} 6.876 7.953 11.286

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.474 -1.116 -0.810
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.804 -0.997 0.200

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.726 0.892 1.041
\delta -0.305 -0.137 0.017
\tau_1/\tau_2 0.550 0.882 1.229
Q_{PAH} 1.619 2.827 4.331
U_{min} 3.301 9.056 16.751
{\rm log}_{10}(\gamma_e)\, -1.501 -0.918 -0.377

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.775 -1.457 -0.967
{\rm log}_{10}(\tau_{AGN})\, 0.926 1.399 1.867

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.185 -0.608 -0.230
0.03-0.10 Gyr -2.590 -1.113 -0.539
0.10-0.33 Gyr -2.702 -1.039 -0.471
0.33-1.09 Gyr -2.728 -0.837 -0.178
1.09-3.61 Gyr -1.961 -0.216 0.299
3.61-11.93 Gyr -0.250 0.339 0.509
11.93-13.25 Gyr -0.276 0.472 1.363