AT2019meg

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Information

Transient

Name: AT2019meg
Right ascension: 18h45m16.18s
Declination: 44d26m19.21s
Discovery Date: None
Classification: TDE
Redshift: 0.152000
MW E(B-V): 0.048

Host

Name: AT2019meg
Right ascension: 18h45m16.18s
Declination: 44d26m19.15s
Redshift: 0.152000
Photometric Redshift: 0.243
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.7
Cutout download processed 4.97
Global aperture construction processed 0.6
Local aperture photometry processed 3.63
Global aperture photometry processed 3.7
Validate local photometry no valid phot 0.02
Validate global photometry processed 11.27
Host information processed 0.14
Global host SED inference processed 426.29
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 18h45m16.18s, 44d26m19.21s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error

Aperture details

RA, DEC (J2000) = 18h45m16.16s, 44d26m19.26s
semi major axis, semi minor axis (arcsec) = 2.33, 2.06
angle (degrees, anti-clockwise from east) = -6.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 2.2 0.81 23.046 0.399
GALEX_NUV 2.26 0.3 23.015 0.144
PanSTARRS_g 14.94 0.64 20.964 0.047
PanSTARRS_r 34.45 0.71 20.057 0.022
PanSTARRS_i 47.46 0.51 19.709 0.012
PanSTARRS_z 52.33 1.68 19.603 0.035
PanSTARRS_y 61.9 4.32 19.421 0.076
2MASS_J 49.32 78.52 18.773 1.728
2MASS_H 125.67 123.4 17.284 1.066
2MASS_K 15.56 138.42 19.082 9.661
WISE_W1 26.49 19.45 17.643 0.797
WISE_W2 16.09 15.4 17.545 1.039
WISE_W3 57.52 32.98 14.327 0.622
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.683 9.822 9.933
{\rm log}_{10}({\rm SFR}) -0.246 0.122 0.473
{\rm log}_{10}({\rm sSFR}) -10.113 -9.708 -9.300
{\rm stellar\ age} 4.631 6.342 7.740

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.169 -0.537 -0.078
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.193 -0.734 -0.299

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.475 0.836 1.201
\delta -0.192 0.051 0.238
\tau_1/\tau_2 0.641 1.009 1.402
Q_{PAH} 0.838 2.465 4.999
U_{min} 2.950 8.037 14.901
{\rm log}_{10}(\gamma_e)\, -2.936 -1.902 -0.900

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.652 -1.653 -0.650
{\rm log}_{10}(\tau_{AGN})\, 0.981 1.372 1.822

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.059 0.242 0.548
0.03-0.10 Gyr -0.520 0.024 0.465
0.10-0.32 Gyr -0.711 -0.185 0.278
0.32-1.03 Gyr -0.861 -0.284 0.105
1.03-3.32 Gyr -0.706 -0.223 0.067
3.32-10.65 Gyr -0.469 -0.080 0.110
10.65-11.84 Gyr -0.622 0.041 0.569