ASASSN-15sf

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 9.54
Cutout download processed 31.33
Global aperture construction processed 0.58
Local aperture photometry processed 7.06
Global aperture photometry processed 6.86
Validate local photometry processed 0.03
Validate global photometry processed 17.14
Host information processed 0.19
Global host SED inference processed 441.96
Local host SED inference processed 412.87
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 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
 

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})\, 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