ASASSN-15ed results

Information

Transient
Name:ASASSN-15ed
Right ascension: 16h48m25.16s
Declination:50d59m30.70s
Discovery Date:None
Classification:Ibn
Redshift:0.048660
MW E(B-V):0.021
Host
Name:ASASSN-15ed
Object ID:9907737827018026
Catalog Name:decals
Catalog Release:dr9
Right ascension: 16h48m25.27s
Declination:50d59m35.48s
Redshift:0.048660
Photometric Redshift:0.049
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.91
Transient MWEBV processed 0.19
Host match processed 7.46
Host information processed 0.14
Host MWEBV processed 0.12
Host spectrum download not processed None
Global aperture construction processed 0.65
Global aperture photometry processed 5.7
Validate global photometry processed 14.48
Global host SED inference processed 413.48
Local aperture photometry processed 5.89
Validate local photometry processed 0.03
Local host SED inference processed 547.68
 

Imaging data

 

Spectral Energy Distribution

Warning: possible contaminating objects in the global aperture
 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.508 9.623 9.741
{\rm log}_{10}({\rm SFR}) -1.705 -1.048 -0.585
{\rm log}_{10}({\rm sSFR}) -11.314 -10.629 -10.167
{\rm stellar\ age} 7.693 9.557 12.335

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.641 -1.210 -0.808
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.823 -0.474 0.338

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.494 0.765 1.020
\delta -0.399 -0.037 0.239
\tau_1/\tau_2 0.664 1.063 1.465
Q_{PAH} 0.867 2.757 5.438
U_{min} 2.869 8.413 15.750
{\rm log}_{10}(\gamma_e)\, -3.285 -2.329 -1.140

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.347 -1.544 -0.727
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.398 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.508 -1.216 -0.687
0.03-0.10 Gyr -2.068 -1.095 -0.507
0.10-0.33 Gyr -3.181 -1.377 -0.760
0.33-1.09 Gyr -4.330 -1.797 -0.994
1.09-3.58 Gyr -4.196 -1.870 -0.808
3.58-11.80 Gyr -1.968 -0.418 -0.163
11.80-13.11 Gyr -0.438 0.381 0.838

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.804 10.865 10.957
{\rm log}_{10}({\rm SFR}) 0.107 0.335 0.611
{\rm log}_{10}({\rm sSFR}) -10.789 -10.543 -10.267
{\rm stellar\ age} 7.486 8.263 11.050

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.687 -0.503 -0.356
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.523 0.149 0.372

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.227 0.351
\delta -0.272 -0.007 0.204
\tau_1/\tau_2 0.534 0.924 1.367
Q_{PAH} 1.056 2.170 3.579
U_{min} 2.846 7.932 15.298
{\rm log}_{10}(\gamma_e)\, -3.054 -2.236 -1.613

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.021 -3.049 -2.209
{\rm log}_{10}(\tau_{AGN})\, 1.014 1.477 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.078 0.308 0.484
0.03-0.10 Gyr -0.092 0.339 0.714
0.10-0.33 Gyr -0.556 0.106 0.472
0.33-1.09 Gyr -0.688 0.063 0.410
1.09-3.58 Gyr -0.728 0.228 0.705
3.58-11.80 Gyr 0.561 0.997 1.118
11.80-13.11 Gyr 0.754 1.287 1.956
 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h48m25.16s, 50d59m30.70s
semi major axis, semi minor axis (arcsec):2.1, 2.1
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 18.62 1.84 20.725 0.107 AB
SDSS_g 73.5 2.28 19.234 0.034 AB
DES_g 69.26 0.56 19.299 0.009 AB
PanSTARRS_g 78.74 0.47 19.160 0.007 AB
SDSS_r 145.68 3.24 18.492 0.024 AB
PanSTARRS_r 149.92 0.62 18.460 0.004 AB
SDSS_i 204.97 3.95 18.121 0.021 AB
PanSTARRS_i 206.2 0.65 18.114 0.003 AB
PanSTARRS_z 251.2 1.38 17.900 0.006 AB
SDSS_z 273.62 7.25 17.807 0.029 AB
DES_z 256.18 3.04 17.879 0.013 AB
PanSTARRS_y 288.34 3.45 17.750 0.013 AB

Aperture details

RA, DEC (J2000):16h48m25.22s, 50d59m35.53s
semi major axis, semi minor axis (arcsec):25.04, 20.87
angle (degrees, anti-clockwise from east):247.61
Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 194.61 8.07 18.177 0.045 AB
GALEX_NUV 254.44 5.9 17.886 0.025 AB
DES_g 2219.28 3.25 15.534 0.002 AB
PanSTARRS_g 2542.55 4.82 15.387 0.002 AB
PanSTARRS_r 4385.54 6.27 14.795 0.002 AB
PanSTARRS_i 5801.45 6.83 14.491 0.001 AB
PanSTARRS_z 6715.3 14.54 14.332 0.002 AB
DES_z 6416.94 16.44 14.382 0.003 AB
PanSTARRS_y 7925.56 37.45 14.152 0.005 AB
2MASS_J 9751.49 406.43 13.032 0.045 Vega
2MASS_H 10141.39 622.9 12.517 0.067 Vega
2MASS_K 9693.34 829.12 12.096 0.093 Vega
WISE_W1 4899.09 33.18 11.976 0.007 Vega
WISE_W2 2957.97 38.42 11.884 0.014 Vega
WISE_W3 6977.19 137.52 9.117 0.021 Vega
WISE_W4 5599.06 813.39 7.910 0.158 Vega