ASASSN-15db

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Information

Transient

Name: ASASSN-15db
Right ascension: 15h46m59.00s
Declination: 17d53m02.55s
Discovery Date: None
Classification: Ia
Redshift: 0.011380
MW E(B-V): 0.029

Host

Name: ASASSN-15db
Right ascension: 15h46m58.99s
Declination: 17d52m53.69s
Redshift: None
Photometric Redshift: 0.014
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.89
Cutout download processed 14.57
Global aperture construction processed 0.64
Local aperture photometry processed 4.69
Global aperture photometry processed 7.03
Validate local photometry processed 0.02
Validate global photometry processed 17.39
Host information processed 0.09
Global host SED inference time limit exceeded 7162.38
Local host SED inference processed 544.96
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.18
Log transient processing status blocked 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) = 15h46m59.00s, 17d53m02.55s
semi major axis, semi minor axis (arcsec) = 8.58, 8.58
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1120.31 6.84 16.277 0.007 AB
GALEX_NUV 1842.29 4.24 15.737 0.002 AB
SDSS_u 3480.72 17.45 15.046 0.005 AB
SDSS_g 6511.18 21.66 14.366 0.004 AB
PanSTARRS_g 6881.91 4.19 14.306 0.001 AB
SDSS_r 9884.52 26.86 13.913 0.003 AB
PanSTARRS_r 10065.16 4.18 13.893 0.000 AB
SDSS_i 11310.12 29.3 13.766 0.003 AB
PanSTARRS_i 11400.12 4.2 13.758 0.000 AB
PanSTARRS_z 13158.78 7.46 13.602 0.001 AB
SDSS_z 13591.25 43.7 13.567 0.003 AB
PanSTARRS_y 15827.91 14.02 13.401 0.001 AB
2MASS_J 17263.97 193.56 12.412 0.012 Vega
2MASS_H 20547.63 327.08 11.750 0.017 Vega
2MASS_K 17107.41 296.9 11.479 0.019 Vega
WISE_W1 6858.62 98.69 11.610 0.016 Vega
WISE_W2 4813.52 49.62 11.355 0.011 Vega
WISE_W3 29314.24 132.98 7.558 0.005 Vega

Aperture details

RA, DEC (J2000) = 15h46m59.00s, 17d52m54.03s
semi major axis, semi minor axis (arcsec) = 5.17, 2.18
angle (degrees, anti-clockwise from east) = -124.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 119.98 2.29 18.702 0.021 AB
GALEX_NUV 407.45 2.62 17.375 0.007 AB
SDSS_u 121.05 4.56 18.693 0.041 AB
SDSS_g 268.0 4.81 17.830 0.019 AB
PanSTARRS_g 278.85 1.46 17.787 0.006 AB
SDSS_r 397.49 5.94 17.402 0.016 AB
PanSTARRS_r 389.8 1.47 17.423 0.004 AB
SDSS_i 464.23 6.75 17.233 0.016 AB
PanSTARRS_i 432.22 1.5 17.311 0.004 AB
PanSTARRS_z 475.18 2.61 17.208 0.006 AB
SDSS_z 546.84 13.74 17.055 0.027 AB
2MASS_J 1745.15 111.83 14.901 0.070 Vega
2MASS_H 1479.47 186.56 14.607 0.137 Vega
2MASS_K 1576.06 173.26 14.068 0.119 Vega
WISE_W1 3001.82 87.07 12.508 0.031 Vega
WISE_W2 2725.57 40.9 11.972 0.016 Vega
WISE_W3 23245.84 127.09 7.810 0.006 Vega
WISE_W4 120811.62 2067.39 4.575 0.019 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})\, 9.323 9.529 9.660
{\rm log}_{10}({\rm SFR}) 0.335 0.535 0.793
{\rm log}_{10}({\rm sSFR}) -9.277 -8.982 -8.620
{\rm stellar\ age} 5.173 7.063 9.275

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.470 -0.317 -0.229
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.166 0.299 0.423

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.117 0.185 0.316
\delta -0.868 -0.607 -0.342
\tau_1/\tau_2 0.740 1.122 1.517
Q_{PAH} 0.098 0.338 0.745
U_{min} 2.620 7.925 15.336
{\rm log}_{10}(\gamma_e)\, -3.139 -2.248 -1.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.314 -3.254 -2.278
{\rm log}_{10}(\tau_{AGN})\, 1.027 1.531 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.476 -0.284 -0.118
0.03-0.10 Gyr 0.464 0.678 0.943
0.10-0.33 Gyr -2.280 -0.754 -0.223
0.33-1.10 Gyr -3.021 -0.993 -0.570
1.10-3.64 Gyr -1.835 -0.708 -0.340
3.64-12.06 Gyr -1.322 -0.500 -0.254
12.06-13.40 Gyr -1.265 -0.325 0.397

Global parameter details

Documentation