2020hew

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Information

Transient

Name: AT2020hew
Right ascension: 8h58m43.26s
Declination: 12d40m37.61s
Discovery Date: April 12, 2020, 7:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name: 25215
Right ascension: 8h58m43.25s
Declination: 12d40m38.34s
Redshift: 0.030034
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 3.78
Cutout download processed 28.45
Global aperture construction processed 0.6
Local aperture photometry processed 5.92
Global aperture photometry processed 5.32
Validate local photometry processed 0.02
Validate global photometry processed 15.59
Host information processed 0.14
Global host SED inference processed 447.62
Local host SED inference processed 554.98
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 8h58m43.26s, 12d40m37.61s
semi major axis, semi minor axis (arcsec) = 3.33, 3.33
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 159.62 4.13 18.392 0.028 AB
SDSS_g 567.34 6.24 17.015 0.012 AB
DES_g 634.69 1.36 16.894 0.002 AB
PanSTARRS_g 617.41 0.89 16.924 0.002 AB
SDSS_r 1158.03 8.93 16.241 0.008 AB
PanSTARRS_r 1169.54 1.11 16.230 0.001 AB
DES_r 1306.9 3.07 16.109 0.003 AB
SDSS_i 1564.38 10.44 15.914 0.007 AB
PanSTARRS_i 1596.86 1.43 15.892 0.001 AB
PanSTARRS_z 1980.34 2.41 15.658 0.001 AB
SDSS_z 2099.91 13.9 15.594 0.007 AB
DES_z 2200.74 8.16 15.544 0.004 AB
PanSTARRS_y 2357.47 5.7 15.469 0.003 AB
2MASS_J 2793.76 74.3 14.390 0.029 Vega
2MASS_H 3626.38 131.24 13.634 0.039 Vega
2MASS_K 3126.1 122.96 13.325 0.043 Vega

Aperture details

RA, DEC (J2000) = 8h58m43.25s, 12d40m37.96s
semi major axis, semi minor axis (arcsec) = 18.79, 17.12
angle (degrees, anti-clockwise from east) = -46.49

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 592.3 15.57 16.969 0.029 AB
SDSS_g 2506.21 13.77 15.402 0.006 AB
PanSTARRS_g 2571.6 3.96 15.374 0.002 AB
SDSS_r 4236.27 18.35 14.833 0.005 AB
PanSTARRS_r 4281.67 5.19 14.821 0.001 AB
DES_r 4725.25 6.33 14.714 0.001 AB
SDSS_i 5662.58 22.11 14.517 0.004 AB
PanSTARRS_i 5630.98 6.9 14.524 0.001 AB
PanSTARRS_z 6709.52 12.13 14.333 0.002 AB
SDSS_z 6365.64 44.57 14.390 0.008 AB
2MASS_J 9305.55 395.33 13.083 0.046 Vega
2MASS_H 10911.02 708.12 12.438 0.070 Vega
2MASS_K 9766.08 663.17 12.088 0.074 Vega
WISE_W1 4688.18 49.26 12.023 0.011 Vega
WISE_W2 2850.57 55.27 11.924 0.021 Vega
WISE_W3 11201.82 226.27 8.603 0.022 Vega
WISE_W4 14185.11 1529.15 6.900 0.117 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})\, 9.790 9.921 10.050
{\rm log}_{10}({\rm SFR}) -0.679 -0.062 0.400
{\rm log}_{10}({\rm sSFR}) -10.663 -9.970 -9.433
{\rm stellar\ age} 6.088 7.562 9.269

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.427 -0.823 -0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.816 0.092 0.333

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.522 0.841 1.115
\delta -0.566 -0.268 0.041
\tau_1/\tau_2 0.602 0.978 1.412
Q_{PAH} 0.566 2.010 4.004
U_{min} 2.767 7.899 14.944
{\rm log}_{10}(\gamma_e)\, -3.468 -2.133 -1.183

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.498 -3.397 -1.239
{\rm log}_{10}(\tau_{AGN})\, 0.947 1.439 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.508 -0.209 0.095
0.03-0.10 Gyr -0.994 -0.017 0.507
0.10-0.33 Gyr -1.327 -0.345 0.116
0.33-1.10 Gyr -1.301 -0.470 -0.065
1.10-3.63 Gyr -0.994 -0.240 0.118
3.63-12.02 Gyr -0.375 0.004 0.191
12.02-13.35 Gyr -0.454 0.131 0.733

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.190 10.370 10.502
{\rm log}_{10}({\rm SFR}) -0.912 0.084 0.455
{\rm log}_{10}({\rm sSFR}) -11.257 -10.273 -9.821
{\rm stellar\ age} 5.058 7.345 9.531

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.104 -0.756 -0.543
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.841 -1.596 -0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.292 0.469 0.644
\delta -0.722 -0.385 0.056
\tau_1/\tau_2 0.433 0.811 1.224
Q_{PAH} 0.611 1.396 3.761
U_{min} 2.595 7.274 14.419
{\rm log}_{10}(\gamma_e)\, -3.470 -2.530 -1.809

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.158 -3.068 -1.982
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.623 1.978

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.505 0.174 0.402
0.03-0.10 Gyr -2.451 -0.007 0.506
0.10-0.33 Gyr -2.226 -0.033 0.511
0.33-1.10 Gyr -1.690 -0.084 0.487
1.10-3.63 Gyr -0.591 0.284 0.677
3.63-12.02 Gyr -0.250 0.393 0.642
12.02-13.35 Gyr -0.474 0.459 1.241