2021ehb

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Information

Transient

Name: TDE2021ehb
Right ascension: 3h07m47.81s
Declination: 40d18m40.57s
Discovery Date: March 1, 2021, 3:26 a.m.
Classification: TDE
Redshift: 0.018000
MW E(B-V): 0.123

Host

Name:
Right ascension: 3h07m47.83s
Declination: 40d18m40.85s
Redshift: None
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.42
Cutout download processed 14.6
Global aperture construction processed 0.73
Local aperture photometry processed 5.54
Global aperture photometry processed 5.65
Validate local photometry processed 0.02
Validate global photometry processed 14.39
Host information processed 0.14
Global host SED inference processed 549.76
Local host SED inference processed 459.81
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.1
Processing status completed N/A N/A
 

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) = 3h07m47.81s, 40d18m40.57s
semi major axis, semi minor axis (arcsec) = 5.47, 5.47
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 213.91 5.47 18.074 0.028 AB
SDSS_g 1132.24 8.87 16.265 0.009 AB
PanSTARRS_g 1294.72 1.84 16.120 0.002 AB
SDSS_r 2614.37 13.52 15.357 0.006 AB
PanSTARRS_r 2709.31 2.21 15.318 0.001 AB
SDSS_i 3983.0 16.96 14.899 0.005 AB
PanSTARRS_i 4109.18 2.24 14.866 0.001 AB
PanSTARRS_z 5300.48 5.07 14.589 0.001 AB
SDSS_z 5487.3 24.18 14.552 0.005 AB
PanSTARRS_y 6354.36 10.34 14.392 0.002 AB
2MASS_J 7461.59 100.54 13.323 0.015 Vega
2MASS_H 9386.73 162.6 12.601 0.019 Vega
2MASS_K 7911.86 156.5 12.317 0.021 Vega

Aperture details

RA, DEC (J2000) = 3h07m47.81s, 40d18m41.16s
semi major axis, semi minor axis (arcsec) = 15.31, 6.26
angle (degrees, anti-clockwise from east) = -38.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 280.07 8.46 17.782 0.033 AB
SDSS_g 1520.14 10.5 15.945 0.007 AB
PanSTARRS_g 1739.85 3.04 15.799 0.002 AB
SDSS_r 3480.98 15.99 15.046 0.005 AB
PanSTARRS_r 3626.06 3.74 15.001 0.001 AB
SDSS_i 5319.09 20.5 14.585 0.004 AB
PanSTARRS_i 5471.77 3.77 14.555 0.001 AB
PanSTARRS_z 7074.93 8.67 14.276 0.001 AB
SDSS_z 7261.1 34.32 14.247 0.005 AB
PanSTARRS_y 8642.62 18.23 14.058 0.002 AB
2MASS_J 10052.71 184.17 12.999 0.020 Vega
2MASS_H 13038.24 299.62 12.244 0.025 Vega
2MASS_K 10405.99 290.26 12.019 0.030 Vega
WISE_W1 4463.77 47.73 12.077 0.012 Vega
WISE_W2 2417.09 45.82 12.103 0.021 Vega
WISE_W3 353.77 101.06 12.354 0.310 Vega
WISE_W4 500.57 549.18 10.531 1.191 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})\, 9.787 9.967 10.093
{\rm log}_{10}({\rm SFR}) -2.643 -1.408 -0.226
{\rm log}_{10}({\rm sSFR}) -12.663 -11.348 -10.113
{\rm stellar\ age} 4.657 7.656 9.936

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.323 -0.652 -0.419
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.668 -0.754 -0.050

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.377 0.661 1.085
\delta -0.693 -0.430 -0.047
\tau_1/\tau_2 0.626 0.993 1.363
Q_{PAH} 0.354 1.433 4.563
U_{min} 2.867 8.403 15.671
{\rm log}_{10}(\gamma_e)\, -3.366 -2.142 -0.617

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.466 -3.395 -1.753
{\rm log}_{10}(\tau_{AGN})\, 0.986 1.456 1.935

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.953 -1.593 -0.438
0.03-0.10 Gyr -3.218 -1.534 -0.186
0.10-0.33 Gyr -2.921 -1.157 0.009
0.33-1.10 Gyr -2.447 -0.871 -0.086
1.10-3.66 Gyr -2.157 -0.226 0.194
3.66-12.17 Gyr -1.459 -0.017 0.227
12.17-13.52 Gyr -1.196 0.103 0.883

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.071 10.127 10.237
{\rm log}_{10}({\rm SFR}) -4.336 -2.292 -1.219
{\rm log}_{10}({\rm sSFR}) -14.333 -12.435 -11.314
{\rm stellar\ age} 7.874 9.133 12.726

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.837 -0.657 -0.532
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.474 -0.697 0.060

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.143 0.269 0.429
\delta -0.908 -0.728 -0.462
\tau_1/\tau_2 0.567 0.974 1.406
Q_{PAH} 0.131 0.468 1.113
U_{min} 4.141 9.927 17.732
{\rm log}_{10}(\gamma_e)\, -2.999 -1.877 -0.960

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.631 -3.999 -3.121
{\rm log}_{10}(\tau_{AGN})\, 1.166 1.680 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.624 -2.789 -1.679
0.03-0.10 Gyr -4.678 -2.327 -1.134
0.10-0.33 Gyr -4.780 -2.332 -1.055
0.33-1.10 Gyr -4.275 -2.016 -0.931
1.10-3.66 Gyr -3.298 -1.202 -0.110
3.66-12.17 Gyr -1.486 0.188 0.368
12.17-13.52 Gyr -0.146 0.709 1.351