ASASSN-15sf results

Information

Transient
Name:ASASSN-15sf
Right ascension: 0h11m27.60s
Declination:-6d25m38.40s
Discovery Date:None
Classification:Ia
Redshift:0.027000
MW E(B-V):0.026
Host
Name:
Right ascension: 0h11m27.43s
Declination:-6d25m49.62s
Redshift:0.027000
Photometric Redshift:0.027
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 31.33
Transient MWEBV processed 0.09
Host match processed 9.54
Host information processed 0.19
Host MWEBV processed 0.04
Global aperture construction processed 0.58
Global aperture photometry processed 6.86
Validate global photometry processed 17.14
Global host SED inference processed 441.96
Local aperture photometry processed 7.06
Validate local photometry processed 0.03
Local host SED inference processed 412.87
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h11m27.60s, -6d25m38.40s
semi major axis, semi minor axis (arcsec):3.69, 3.69
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 3.82 4.77 22.444 1.354 AB
SDSS_g 18.08 1.58 20.757 0.095 AB
DES_g 16.0 0.19 20.890 0.013 AB
PanSTARRS_g 14.17 0.9 21.022 0.069 AB
SDSS_r 24.4 2.39 20.432 0.106 AB
PanSTARRS_r 17.82 0.85 20.773 0.052 AB
DES_r 24.56 0.32 20.425 0.014 AB
SDSS_i 30.96 3.47 20.173 0.122 AB
PanSTARRS_i 26.19 1.09 20.355 0.045 AB
PanSTARRS_z 32.77 2.49 20.111 0.083 AB
SDSS_z 29.95 11.35 20.209 0.411 AB
DES_z 32.81 0.95 20.110 0.032 AB
PanSTARRS_y 52.79 5.77 19.594 0.119 AB
2MASS_J 46.48 94.44 18.837 2.206 Vega
2MASS_H 111.06 170.54 17.418 1.667 Vega
2MASS_K 155.48 175.06 16.583 1.222 Vega

Aperture details

RA, DEC (J2000):0h11m27.41s, -6d25m49.25s
semi major axis, semi minor axis (arcsec):6.07, 4.37
angle (degrees, anti-clockwise from east):-164.55
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.25 2.95 20.942 0.210 AB
GALEX_NUV 23.27 2.17 20.483 0.101 AB
SDSS_u 27.55 6.75 20.300 0.266 AB
SDSS_g 126.17 3.3 18.648 0.028 AB
DES_g 121.15 0.38 18.692 0.003 AB
PanSTARRS_g 117.91 1.29 18.721 0.012 AB
SDSS_r 205.74 4.6 18.117 0.024 AB
PanSTARRS_r 175.97 1.15 18.286 0.007 AB
DES_r 210.23 0.67 18.093 0.003 AB
SDSS_i 258.49 5.98 17.869 0.025 AB
PanSTARRS_i 255.9 1.53 17.880 0.006 AB
PanSTARRS_z 300.9 3.53 17.704 0.013 AB
SDSS_z 232.15 16.19 17.986 0.076 AB
DES_z 296.37 2.23 17.720 0.008 AB
PanSTARRS_y 342.35 7.93 17.564 0.025 AB
2MASS_J 584.65 148.35 16.088 0.275 Vega
2MASS_H -275.41 265.06 Vega
2MASS_K 241.54 274.61 16.105 1.234 Vega
WISE_W1 139.6 12.33 15.839 0.096 Vega
WISE_W2 83.38 15.27 15.758 0.199 Vega
WISE_W3 72.22 67.17 14.079 1.010 Vega
WISE_W4 227.12 457.85 11.389 2.189 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.428 7.771 7.964
{\rm log}_{10}({\rm SFR}) -1.987 -1.482 -0.964
{\rm log}_{10}({\rm sSFR}) -9.928 -9.265 -8.415
{\rm stellar\ age} 0.826 5.229 7.268

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.902 -0.390 -0.060
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.817 -0.467 -0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.490 0.869 1.250
\delta -0.358 -0.050 0.232
\tau_1/\tau_2 0.623 0.974 1.342
Q_{PAH} 0.851 2.341 5.058
U_{min} 2.803 8.081 15.130
{\rm log}_{10}(\gamma_e)\, -3.096 -2.103 -1.004

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.198 -1.071 -0.151
{\rm log}_{10}(\tau_{AGN})\, 1.078 1.488 1.872

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.127 -1.682 -1.331
0.03-0.10 Gyr -2.121 -1.442 -0.840
0.10-0.33 Gyr -2.841 -1.899 -1.332
0.33-1.10 Gyr -3.528 -2.152 -1.651
1.10-3.64 Gyr -4.320 -2.287 -1.934
3.64-12.06 Gyr -4.705 -2.373 -1.956
12.06-13.40 Gyr -4.273 -2.448 -1.790

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.028 9.106 9.187
{\rm log}_{10}({\rm SFR}) -1.120 -0.824 -0.438
{\rm log}_{10}({\rm sSFR}) -10.261 -9.924 -9.579
{\rm stellar\ age} 7.888 10.704 12.487

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.643 -1.293 -0.944
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.342 -0.002 0.338

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.284 0.464 0.633
\delta -0.068 0.145 0.302
\tau_1/\tau_2 0.611 1.075 1.542
Q_{PAH} 0.521 1.717 3.718
U_{min} 3.205 8.899 16.940
{\rm log}_{10}(\gamma_e)\, -2.522 -1.618 -0.778

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.286 -3.151 -2.128
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.562 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.333 -2.005 -1.553
0.03-0.10 Gyr -0.990 -0.679 -0.276
0.10-0.33 Gyr -3.719 -1.707 -1.038
0.33-1.10 Gyr -4.847 -2.152 -1.453
1.10-3.64 Gyr -4.926 -2.360 -1.474
3.64-12.06 Gyr -2.780 -1.099 -0.719
12.06-13.40 Gyr -0.889 0.037 0.289