ASASSN-15fa

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Information

Transient

Name: ASASSN-15fa
Right ascension: 17h09m46.02s
Declination: 62d58m27.49s
Discovery Date: None
Classification: SN Ia
Redshift: 0.027260
MW E(B-V): 0.024

Host

Name: ASASSN-15fa
Right ascension: 17h09m44.07s
Declination: 62d58m22.99s
Redshift: 0.027315
Photometric Redshift: 0.025
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.32
Cutout download processed None
Global aperture construction processed 0.58
Local aperture photometry processed 4.93
Global aperture photometry processed 4.82
Validate local photometry processed 0.03
Validate global photometry processed 15.21
Host information processed 0.13
Global host SED inference processed 403.66
Local host SED inference processed 418.82
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 17h09m46.02s, 62d58m27.49s
semi major axis, semi minor axis (arcsec) = 3.65, 3.65
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 22.02 3.38 20.543 0.167
SDSS_g 95.06 2.87 18.955 0.033
PanSTARRS_g 102.71 1.01 18.871 0.011
SDSS_r 194.88 4.06 18.176 0.023
PanSTARRS_r 194.18 1.17 18.179 0.007
SDSS_i 277.91 5.56 17.790 0.022
PanSTARRS_i 270.14 1.39 17.821 0.006
PanSTARRS_z 333.6 3.1 17.592 0.010
SDSS_z 343.34 10.85 17.561 0.034
PanSTARRS_y 455.84 6.76 17.253 0.016
2MASS_J 550.07 85.86 16.154 0.169
2MASS_H 697.57 141.21 15.423 0.220
2MASS_K 366.4 135.78 15.652 0.402

Aperture details

RA, DEC (J2000) = 17h09m44.08s, 62d58m23.28s
semi major axis, semi minor axis (arcsec) = 23.53, 21.6
angle (degrees, anti-clockwise from east) = -36.33

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 328.15 14.37 17.610 0.048
GALEX_NUV 536.67 11.04 17.076 0.022
SDSS_u 1856.42 22.51 15.728 0.013
SDSS_g 7619.04 24.16 14.195 0.003
PanSTARRS_g 8323.68 6.58 14.099 0.001
SDSS_i 21747.61 43.93 13.056 0.002
PanSTARRS_z 27121.6 19.22 12.817 0.001
SDSS_z 28179.34 74.22 12.775 0.003
PanSTARRS_y 33781.3 41.88 12.578 0.001
2MASS_J 43283.9 570.12 11.414 0.014
2MASS_K 42622.63 900.31 10.488 0.023
WISE_W1 22392.09 106.54 10.326 0.005
WISE_W3 26979.31 168.4 7.648 0.007
WISE_W4 26127.53 1326.47 6.237 0.055
 

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})\, 8.911 9.092 9.253
{\rm log}_{10}({\rm SFR}) -1.394 -0.879 -0.450
{\rm log}_{10}({\rm sSFR}) -10.543 -9.983 -9.447
{\rm stellar\ age} 3.985 6.967 9.127

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.419 -0.750 -0.218
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.672 -0.046 0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.507 1.177 1.523
\delta -0.454 -0.183 0.074
\tau_1/\tau_2 0.692 1.015 1.366
Q_{PAH} 0.307 1.236 2.851
U_{min} 2.667 7.799 14.708
{\rm log}_{10}(\gamma_e)\, -3.459 -2.210 -1.260

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.171 -1.915 -0.578
{\rm log}_{10}(\tau_{AGN})\, 0.912 1.319 1.745

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.358 -0.800 -0.493
0.03-0.10 Gyr -1.754 -0.966 -0.427
0.10-0.33 Gyr -1.993 -1.100 -0.495
0.33-1.10 Gyr -2.006 -1.060 -0.490
1.10-3.64 Gyr -1.886 -0.976 -0.629
3.64-12.05 Gyr -1.654 -0.917 -0.639
12.05-13.39 Gyr -1.623 -0.799 -0.104

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.025 11.064 11.137
{\rm log}_{10}({\rm SFR}) 0.188 0.436 0.683
{\rm log}_{10}({\rm sSFR}) -10.886 -10.632 -10.380
{\rm stellar\ age} 8.090 9.361 12.160

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.360 -0.206 -0.046
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.327 -0.482 -0.028

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.171 0.303 0.451
\delta -0.713 -0.325 -0.109
\tau_1/\tau_2 0.494 0.904 1.313
Q_{PAH} 0.345 1.202 2.415
U_{min} 2.485 6.640 13.078
{\rm log}_{10}(\gamma_e)\, -3.523 -2.590 -1.821

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.940 -2.284 -1.491
{\rm log}_{10}(\tau_{AGN})\, 1.068 1.367 1.817

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.070 0.331 0.595
0.03-0.10 Gyr -0.057 0.464 0.785
0.10-0.33 Gyr -0.706 0.156 0.565
0.33-1.10 Gyr -0.996 -0.114 0.343
1.10-3.64 Gyr -0.933 -0.005 0.542
3.64-12.05 Gyr 0.338 1.140 1.277
12.05-13.39 Gyr 1.144 1.703 2.217