ASASSN-15al

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Information

Transient

Name: ASASSN-15al
Right ascension: 4h57m50.00s
Declination: -21d35m34.00s
Discovery Date: None
Classification: Ia
Redshift: 0.033785
MW E(B-V): 0.029

Host

Name: ASASSN-15al
Right ascension: 4h57m49.55s
Declination: -21d35m26.10s
Redshift: 0.032000
Photometric Redshift: 0.070
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 4.97
Cutout download processed 3.55
Global aperture construction processed 0.55
Local aperture photometry processed 3.54
Global aperture photometry processed 3.37
Validate local photometry processed 0.02
Validate global photometry processed 11.78
Host information processed 0.09
Global host SED inference processed 617.07
Local host SED inference processed 554.65
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.12
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) = 4h57m50.00s, -21d35m34.00s
semi major axis, semi minor axis (arcsec) = 3.13, 3.13
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g 15.4 0.89 20.931 0.063
PanSTARRS_r 20.37 1.11 20.628 0.059
PanSTARRS_i 21.41 0.95 20.573 0.048
PanSTARRS_z 20.12 2.66 20.641 0.143
PanSTARRS_y 15.13 6.33 20.950 0.454
2MASS_J -72.38 76.73
2MASS_H 84.41 103.78 17.716 1.335
2MASS_K 160.05 143.18 16.552 0.971

Aperture details

RA, DEC (J2000) = 4h57m49.56s, -21d35m25.83s
semi major axis, semi minor axis (arcsec) = 14.56, 5.54
angle (degrees, anti-clockwise from east) = -149.86

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 50.64 5.26 19.639 0.113
GALEX_NUV 65.71 3.53 19.356 0.058
PanSTARRS_g 294.57 2.58 17.727 0.009
PanSTARRS_r 442.51 3.12 17.285 0.008
PanSTARRS_i 542.65 2.68 17.064 0.005
PanSTARRS_z 593.9 7.34 16.966 0.013
PanSTARRS_y 646.1 17.42 16.874 0.029
2MASS_J 783.83 263.41 15.770 0.365
2MASS_H 916.48 352.14 15.127 0.417
2MASS_K 1041.28 490.71 14.518 0.512
WISE_W1 426.75 13.02 14.626 0.033
WISE_W2 273.84 19.78 14.467 0.078
WISE_W3 465.31 120.62 12.057 0.281
WISE_W4 3581.94 906.52 8.395 0.275
 

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})\, 7.434 7.722 7.915
{\rm log}_{10}({\rm SFR}) -2.171 -1.618 -1.042
{\rm log}_{10}({\rm sSFR}) -9.997 -9.344 -8.575
{\rm stellar\ age} 1.278 4.792 7.027

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.722 -1.260 -0.634
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.531 -0.631 0.043

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.252 0.555 1.001
\delta -0.531 -0.141 0.209
\tau_1/\tau_2 0.732 1.096 1.446
Q_{PAH} 0.699 2.301 4.784
U_{min} 3.117 8.146 15.035
{\rm log}_{10}(\gamma_e)\, -2.744 -1.669 -0.538

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.330 -0.723 -0.026
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.480 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.191 -1.752 -1.328
0.03-0.10 Gyr -2.295 -1.605 -0.948
0.10-0.33 Gyr -2.435 -1.751 -1.252
0.33-1.10 Gyr -3.011 -2.074 -1.645
1.10-3.62 Gyr -3.568 -2.262 -1.910
3.62-11.99 Gyr -3.932 -2.451 -2.031
11.99-13.33 Gyr -4.004 -2.527 -1.871

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.307 9.416 9.521
{\rm log}_{10}({\rm SFR}) -0.633 -0.278 -0.044
{\rm log}_{10}({\rm sSFR}) -10.043 -9.691 -9.417
{\rm stellar\ age} 6.853 8.014 10.967

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.458 -1.017 -0.710
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.895 -1.264 0.256

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.200 0.381 0.609
\delta 0.104 0.276 0.367
\tau_1/\tau_2 0.529 0.924 1.299
Q_{PAH} 0.512 1.433 3.360
U_{min} 3.309 8.703 16.299
{\rm log}_{10}(\gamma_e)\, -3.269 -2.316 -1.504

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.785 -1.973 -1.645
{\rm log}_{10}(\tau_{AGN})\, 0.875 1.163 1.559

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.361 -1.193 -0.744
0.03-0.10 Gyr -0.557 -0.132 0.114
0.10-0.33 Gyr -1.944 -0.903 -0.427
0.33-1.10 Gyr -2.348 -1.147 -0.706
1.10-3.62 Gyr -2.247 -1.022 -0.584
3.62-11.99 Gyr -1.154 -0.524 -0.351
11.99-13.33 Gyr -0.895 -0.225 0.500