AT2019bhf

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Information

Transient

Name: AT2019bhf
Right ascension: 15h09m15.98s
Declination: 16d14m22.52s
Discovery Date: None
Classification: TDE
Redshift: 0.121000
MW E(B-V): 0.021

Host

Name: AT2019bhf
Right ascension: 15h09m15.97s
Declination: 16d14m22.47s
Redshift: 0.121000
Photometric Redshift: 0.138
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.3
Cutout download processed 20.7
Global aperture construction processed 0.57
Local aperture photometry processed 5.89
Global aperture photometry processed 6.18
Validate local photometry no valid phot 0.03
Validate global photometry processed 16.75
Host information processed 0.13
Global host SED inference processed 405.18
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.04
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) = 15h09m15.98s, 16d14m22.52s
semi major axis, semi minor axis (arcsec) = 0.92, 0.92
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

Aperture details

RA, DEC (J2000) = 15h09m15.96s, 16d14m22.60s
semi major axis, semi minor axis (arcsec) = 4.68, 4.54
angle (degrees, anti-clockwise from east) = -129.5

Filter Flux (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.62 1.8 22.853 0.746 AB
GALEX_NUV 3.9 2.64 22.423 0.735 AB
SDSS_u 18.02 4.27 20.761 0.257 AB
SDSS_g 80.18 2.65 19.140 0.036 AB
DES_g 89.24 0.51 19.024 0.006 AB
PanSTARRS_g 91.43 0.94 18.997 0.011 AB
SDSS_r 181.78 4.02 18.251 0.024 AB
PanSTARRS_r 173.87 1.11 18.299 0.007 AB
DES_r 188.27 0.98 18.213 0.006 AB
SDSS_i 244.91 5.38 17.927 0.024 AB
PanSTARRS_i 245.04 1.27 17.927 0.006 AB
PanSTARRS_z 307.83 2.75 17.679 0.010 AB
SDSS_z 301.48 13.25 17.702 0.048 AB
DES_z 322.39 3.45 17.629 0.012 AB
PanSTARRS_y 352.14 7.58 17.533 0.023 AB
2MASS_J 365.17 119.67 16.599 0.356 Vega
2MASS_H 574.21 202.09 15.635 0.382 Vega
2MASS_K 632.0 200.69 15.060 0.345 Vega
WISE_W1 241.56 10.63 15.243 0.048 Vega
WISE_W2 150.11 14.56 15.120 0.105 Vega
WISE_W3 201.19 52.54 12.967 0.283 Vega
WISE_W4 -10.15 320.57 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
log10(M/M){\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.187 10.271 10.357
log10(SFR){\rm log}_{10}({\rm SFR}) -1.744 -0.920 -0.291
log10(sSFR){\rm log}_{10}({\rm sSFR}) -12.033 -11.206 -10.570
stellar age{\rm stellar\ age} 5.355 6.686 7.868

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z/Z){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.776 -0.537 -0.337
log10(Zgas/Z){\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.501 -0.770 0.019

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
τ2\tau_2 0.125 0.236 0.368
δ\delta -0.837 -0.518 -0.061
τ1/τ2\tau_1/\tau_2 0.578 0.928 1.292
QPAHQ_{PAH} 0.972 2.412 4.370
UminU_{min} 2.489 7.485 14.703
log10(γe){\rm log}_{10}(\gamma_e)\, -2.479 -1.319 -0.394

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN){\rm log}_{10}(f_{AGN})\, -4.029 -2.586 -1.649
log10(τAGN){\rm log}_{10}(\tau_{AGN})\, 0.988 1.451 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.729 -0.882 -0.424
0.03-0.10 Gyr -2.072 -0.980 -0.238
0.10-0.32 Gyr -1.831 -0.698 -0.033
0.32-1.05 Gyr -1.274 -0.262 0.261
1.05-3.39 Gyr -0.175 0.333 0.635
3.39-10.98 Gyr 0.054 0.419 0.579
10.98-12.20 Gyr -0.300 0.402 0.943