ASASSN-15oi

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Information

Transient

Name: ASASSN-15oi
Right ascension: 20h39m09.18s
Declination: -30d45m20.10s
Discovery Date: None
Classification: TDE
Redshift: 0.020000
MW E(B-V): 0.058

Host

Name: ASASSN-15oi
Right ascension: 20h39m09.12s
Declination: -30d45m20.82s
Redshift: 0.051000
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.02
Cutout download processed 4.29
Global aperture construction processed 0.62
Local aperture photometry processed 3.64
Global aperture photometry processed 4.01
Validate local photometry processed 0.03
Validate global photometry processed 10.98
Host information processed 0.15
Global host SED inference processed 463.53
Local host SED inference processed 540.77
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 20h39m09.18s, -30d45m20.10s
semi major axis, semi minor axis (arcsec) = 4.94, 4.94
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 1.0 1.01 23.897 1.093
PanSTARRS_g 304.94 2.09 17.689 0.007
PanSTARRS_r 576.77 2.2 16.997 0.004
PanSTARRS_i 780.94 1.9 16.668 0.003
PanSTARRS_z 951.73 5.0 16.454 0.006
PanSTARRS_y 967.31 15.63 16.436 0.018
2MASS_J 1319.48 97.57 15.204 0.080
2MASS_H 1477.6 157.53 14.609 0.116
2MASS_K 1523.23 191.64 14.105 0.137

Aperture details

RA, DEC (J2000) = 20h39m09.11s, -30d45m20.62s
semi major axis, semi minor axis (arcsec) = 6.92, 4.28
angle (degrees, anti-clockwise from east) = -124.22

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 3.95 2.0 22.409 0.551
GALEX_NUV 3.57 2.13 22.520 0.650
PanSTARRS_g 323.37 2.3 17.626 0.008
PanSTARRS_r 607.26 2.35 16.942 0.004
PanSTARRS_i 814.99 2.02 16.622 0.003
PanSTARRS_z 998.94 5.28 16.401 0.006
PanSTARRS_y 1026.37 16.23 16.372 0.017
2MASS_J 1522.25 139.3 15.049 0.099
2MASS_H 1754.59 222.09 14.422 0.137
2MASS_K 1841.17 274.23 13.899 0.162
WISE_W1 619.23 20.86 14.221 0.037
WISE_W2 354.3 25.96 14.188 0.080
WISE_W4 -990.78 612.05
 

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})\, 9.186 9.307 9.424
{\rm log}_{10}({\rm SFR}) -3.502 -2.077 -1.158
{\rm log}_{10}({\rm sSFR}) -13.031 -11.411 -10.437
{\rm stellar\ age} 6.973 8.533 12.483

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.638 -1.177 -0.868
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.879 -1.528 -0.468

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.227 0.494 0.812
\delta -0.702 -0.322 0.148
\tau_1/\tau_2 0.620 1.012 1.408
Q_{PAH} 0.609 2.259 4.809
U_{min} 3.353 9.158 17.096
{\rm log}_{10}(\gamma_e)\, -3.177 -1.406 -0.429

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.891 -1.659 -0.606
{\rm log}_{10}(\tau_{AGN})\, 0.971 1.399 1.874

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.817 -2.117 -1.371
0.03-0.10 Gyr -4.272 -2.204 -1.096
0.10-0.33 Gyr -4.108 -2.114 -0.965
0.33-1.10 Gyr -4.206 -1.966 -0.960
1.10-3.66 Gyr -3.880 -1.487 -0.690
3.66-12.14 Gyr -1.991 -0.706 -0.461
12.14-13.49 Gyr -1.084 -0.242 0.515

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.259 9.343 9.444
{\rm log}_{10}({\rm SFR}) -4.891 -2.669 -1.545
{\rm log}_{10}({\rm sSFR}) -14.427 -12.053 -10.921
{\rm stellar\ age} 7.738 8.988 12.694

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.487 -1.094 -0.842
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.799 -1.008 0.077

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.202 0.368 0.545
\delta -0.483 -0.130 0.159
\tau_1/\tau_2 0.546 0.925 1.335
Q_{PAH} 1.188 2.912 5.489
U_{min} 3.189 9.018 16.992
{\rm log}_{10}(\gamma_e)\, -3.157 -1.977 -0.573

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.145 -2.969 -1.932
{\rm log}_{10}(\tau_{AGN})\, 1.069 1.581 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.047 -2.893 -1.805
0.03-0.10 Gyr -5.671 -2.780 -1.513
0.10-0.33 Gyr -5.823 -2.927 -1.544
0.33-1.10 Gyr -5.401 -2.717 -1.491
1.10-3.66 Gyr -4.289 -1.942 -0.861
3.66-12.14 Gyr -2.340 -0.637 -0.414
12.14-13.49 Gyr -1.271 -0.114 0.558