2020ukj

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Information

Transient

Name: AT2020ukj
Right ascension: 7h31m34.22s
Declination: 57d16m28.81s
Discovery Date: Sept. 28, 2020, 11:27 a.m.
Classification: TDE
Redshift: 0.066000
MW E(B-V): 0.054

Host

Name: 2020ukj
Right ascension: 7h31m34.20s
Declination: 57d16m29.03s
Redshift: None
Photometric Redshift: 0.088
 

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 2.35
Cutout download processed 6.07
Global aperture construction processed 0.64
Local aperture photometry processed 4.81
Global aperture photometry processed 4.75
Validate local photometry processed 0.02
Validate global photometry processed 13.76
Host information processed 0.08
Global host SED inference processed 464.55
Local host SED inference processed 522.31
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) = 7h31m34.22s, 57d16m28.81s
semi major axis, semi minor axis (arcsec) = 1.58, 1.58
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 111.3 0.85 18.784 0.008 AB
PanSTARRS_g 122.15 0.37 18.683 0.003 AB
PanSTARRS_r 288.02 0.67 17.751 0.003 AB
PanSTARRS_i 435.16 0.54 17.303 0.001 AB
PanSTARRS_z 569.28 1.62 17.012 0.003 AB
DES_z 706.22 4.51 16.778 0.007 AB
PanSTARRS_y 642.55 3.2 16.880 0.005 AB

Aperture details

RA, DEC (J2000) = 7h31m34.19s, 57d16m29.15s
semi major axis, semi minor axis (arcsec) = 7.61, 6.77
angle (degrees, anti-clockwise from east) = -35.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.63 2.43 22.023 0.468 AB
GALEX_NUV -0.96 2.82 AB
DES_g 319.92 1.47 17.637 0.005 AB
PanSTARRS_g 353.93 1.38 17.528 0.004 AB
PanSTARRS_r 766.82 2.46 16.688 0.003 AB
PanSTARRS_i 1117.47 2.02 16.279 0.002 AB
PanSTARRS_z 1418.43 6.62 16.020 0.005 AB
DES_z 1496.78 6.94 15.962 0.005 AB
PanSTARRS_y 1694.66 13.69 15.827 0.009 AB
2MASS_J 2523.53 191.69 14.500 0.082 Vega
2MASS_H 3032.25 316.63 13.828 0.113 Vega
2MASS_K 2968.63 305.8 13.381 0.112 Vega
WISE_W1 1102.9 27.14 13.595 0.027 Vega
WISE_W2 650.59 31.6 13.528 0.053 Vega
WISE_W3 355.56 101.83 12.349 0.311 Vega
WISE_W4 622.69 537.94 10.294 0.938 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})\, 10.191 10.308 10.434
{\rm log}_{10}({\rm SFR}) -3.201 -1.331 -0.480
{\rm log}_{10}({\rm sSFR}) -13.315 -11.630 -10.733
{\rm stellar\ age} 7.526 9.732 12.205

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.380 -0.853 -0.539
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.677 -0.868 0.067

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.511 0.882 1.177
\delta -0.630 -0.313 0.010
\tau_1/\tau_2 0.595 1.013 1.425
Q_{PAH} 0.822 2.900 5.497
U_{min} 3.104 8.799 16.343
{\rm log}_{10}(\gamma_e)\, -3.243 -1.738 -0.513

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.787 -1.476 -0.535
{\rm log}_{10}(\tau_{AGN})\, 0.953 1.440 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.262 -1.677 -0.710
0.03-0.10 Gyr -4.066 -1.446 -0.440
0.10-0.33 Gyr -4.663 -1.623 -0.402
0.33-1.08 Gyr -5.367 -1.861 -0.450
1.08-3.53 Gyr -4.141 -1.580 -0.066
3.53-11.59 Gyr -1.828 0.178 0.520
11.59-12.88 Gyr 0.016 1.145 1.552

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.536 10.643 10.700
{\rm log}_{10}({\rm SFR}) -6.301 -2.868 -1.683
{\rm log}_{10}({\rm sSFR}) -17.051 -13.525 -12.340
{\rm stellar\ age} 7.609 11.408 12.230

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.936 -0.732 -0.562
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.555 -0.658 0.127

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.228 0.348 0.483
\delta -0.786 -0.475 -0.208
\tau_1/\tau_2 0.466 0.900 1.357
Q_{PAH} 0.852 2.071 3.998
U_{min} 3.099 9.357 17.622
{\rm log}_{10}(\gamma_e)\, -3.053 -1.897 -0.867

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.326 -3.341 -2.371
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.465 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.074 -3.051 -1.624
0.03-0.10 Gyr -7.504 -3.551 -1.789
0.10-0.33 Gyr -7.533 -3.973 -1.842
0.33-1.08 Gyr -6.886 -3.660 -1.628
1.08-3.53 Gyr -4.455 -2.438 -0.503
3.53-11.59 Gyr -2.117 0.148 0.845
11.59-12.88 Gyr 0.253 1.721 1.845