ASASSN-15lu

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Information

Transient

Name: ASASSN-15lu
Right ascension: 13h21m12.89s
Declination: 40d15m56.66s
Discovery Date: None
Classification: SN Ia
Redshift: 0.036450
MW E(B-V): 0.014

Host

Name: ASASSN-15lu
Right ascension: 13h21m12.88s
Declination: 40d15m56.75s
Redshift: 0.035054
Photometric Redshift: 0.039
 

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 1.18
Cutout download processed 15.3
Global aperture construction processed 0.6
Local aperture photometry processed 4.49
Global aperture photometry processed 4.46
Validate local photometry processed 0.02
Validate global photometry processed 14.19
Host information processed 0.12
Global host SED inference processed 373.07
Local host SED inference processed None
Transient information processed 0.0
Transient MWEBV processed 0.03
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) = 13h21m12.89s, 40d15m56.66s
semi major axis, semi minor axis (arcsec) = 2.87, 2.87
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 266.92 4.65 17.834 0.019 AB
SDSS_g 777.47 7.31 16.673 0.010 AB
PanSTARRS_g 795.82 1.08 16.648 0.001 AB
SDSS_r 1274.36 9.36 16.137 0.008 AB
PanSTARRS_r 1341.54 1.11 16.081 0.001 AB
SDSS_i 1717.85 10.93 15.813 0.007 AB
PanSTARRS_i 1640.39 1.04 15.863 0.001 AB
PanSTARRS_z 2000.73 1.9 15.647 0.001 AB
SDSS_z 2103.4 14.04 15.593 0.007 AB
PanSTARRS_y 2232.93 4.14 15.528 0.002 AB
2MASS_H 2982.84 87.64 13.846 0.032 Vega

Aperture details

RA, DEC (J2000) = 13h21m12.88s, 40d15m56.88s
semi major axis, semi minor axis (arcsec) = 6.59, 6.17
angle (degrees, anti-clockwise from east) = -91.56

Filter Flux (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 83.91 5.28 19.090 0.068 AB
GALEX_NUV 136.41 1.69 18.563 0.013 AB
SDSS_u 352.42 6.63 17.532 0.020 AB
SDSS_g 1068.85 8.82 16.328 0.009 AB
PanSTARRS_g 1107.0 2.07 16.290 0.002 AB
SDSS_r 1767.69 11.3 15.781 0.007 AB
PanSTARRS_r 1852.78 1.98 15.730 0.001 AB
SDSS_i 2378.33 13.36 15.459 0.006 AB
PanSTARRS_i 2289.32 1.88 15.501 0.001 AB
PanSTARRS_z 2755.11 3.56 15.300 0.001 AB
SDSS_z 2905.41 21.67 15.242 0.008 AB
PanSTARRS_y 3249.99 8.58 15.120 0.003 AB
2MASS_J 4029.97 151.21 13.992 0.041 Vega
2MASS_H 5031.15 237.04 13.278 0.051 Vega
2MASS_K 4360.72 249.07 12.963 0.062 Vega
WISE_W1 2234.47 28.76 12.828 0.014 Vega
WISE_W2 1491.68 31.66 12.627 0.023 Vega
WISE_W3 7891.21 115.12 8.983 0.016 Vega
WISE_W4 12136.73 922.11 7.070 0.082 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
log10(M∗/M⊙) {\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.804 9.959 10.087
log10(SFR){\rm log}_{10}({\rm SFR}) -0.688 0.012 0.714
log10(sSFR){\rm log}_{10}({\rm sSFR}) -10.650 -9.912 -9.215
stellar age{\rm stellar\ age} 4.879 7.274 9.297

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z∗/Z⊙){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.471 -0.888 -0.469
log10(Zgas/Z⊙) {\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.838 -0.018 0.368

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
Ï„2\tau_2 0.226 0.603 0.953
δ\delta -0.565 -0.230 0.147
Ï„1/Ï„2\tau_1/\tau_2 0.622 1.008 1.417
QPAHQ_{PAH} 0.318 1.907 4.331
UminU_{min} 3.214 8.866 16.331
log10(γe) {\rm log}_{10}(\gamma_e)\, -3.150 -1.773 -0.652

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN) {\rm log}_{10}(f_{AGN})\, -4.156 -1.883 -0.571
log10(τAGN) {\rm log}_{10}(\tau_{AGN})\, 0.972 1.539 2.042

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.094 -0.457 -0.042
0.03-0.10 Gyr -0.705 0.105 0.862
0.10-0.33 Gyr -0.928 -0.072 0.466
0.33-1.09 Gyr -1.633 -0.358 0.116
1.09-3.62 Gyr -1.301 -0.228 0.139
3.62-11.96 Gyr -0.771 -0.002 0.222
11.96-13.29 Gyr -0.745 0.074 0.817

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
log10(M∗/M⊙) {\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.988 10.063 10.134
log10(SFR){\rm log}_{10}({\rm SFR}) 0.032 0.261 0.492
log10(sSFR){\rm log}_{10}({\rm sSFR}) -10.043 -9.798 -9.559
stellar age{\rm stellar\ age} 5.843 6.917 7.994

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z∗/Z⊙){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.778 -0.510 -0.344
log10(Zgas/Z⊙) {\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.633 0.108 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
Ï„2\tau_2 0.385 0.559 0.770
δ\delta -0.241 -0.089 0.034
Ï„1/Ï„2\tau_1/\tau_2 0.763 1.089 1.405
QPAHQ_{PAH} 0.513 1.163 2.219
UminU_{min} 2.959 7.468 13.777
log10(γe) {\rm log}_{10}(\gamma_e)\, -3.171 -2.327 -1.735

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN) {\rm log}_{10}(f_{AGN})\, -3.443 -2.340 -1.703
log10(τAGN) {\rm log}_{10}(\tau_{AGN})\, 1.041 1.544 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.126 0.092 0.267
0.03-0.10 Gyr 0.036 0.319 0.591
0.10-0.33 Gyr -0.116 0.211 0.467
0.33-1.09 Gyr -0.287 0.028 0.272
1.09-3.62 Gyr -0.184 0.083 0.269
3.62-11.96 Gyr -0.043 0.144 0.278
11.96-13.29 Gyr -0.220 0.200 0.602