2021udn

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Information

Transient

Name: SN2021udn
Right ascension: 17h33m11.92s
Declination: 48d26m18.36s
Discovery Date: July 27, 2021, 8:44 a.m.
Classification: SN Ia
Redshift: 0.050000
MW E(B-V): 0.028

Host

Name: 2021udn
Right ascension: 17h33m12.73s
Declination: 48d26m18.24s
Redshift: None
Photometric Redshift: 0.069
 

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 2.31
Cutout download processed 0.49
Global aperture construction processed 0.66
Local aperture photometry processed 4.52
Global aperture photometry processed 4.44
Validate local photometry processed 0.02
Validate global photometry processed 12.27
Host information processed 0.1
Global host SED inference processed 455.79
Local host SED inference processed 444.15
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.11
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) = 17h33m11.92s, 48d26m18.36s
semi major axis, semi minor axis (arcsec) = 2.05, 2.05
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 17.14 0.63 20.815 0.040 AB
PanSTARRS_r 33.78 0.6 20.078 0.019 AB
PanSTARRS_i 41.74 0.62 19.849 0.016 AB
PanSTARRS_z 46.72 1.37 19.726 0.032 AB
PanSTARRS_y 54.14 3.25 19.566 0.065 AB

Aperture details

RA, DEC (J2000) = 17h33m12.71s, 48d26m18.63s
semi major axis, semi minor axis (arcsec) = 10.37, 7.62
angle (degrees, anti-clockwise from east) = -92.26

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 43.12 4.97 19.813 0.125 AB
GALEX_NUV 48.62 3.27 19.683 0.073 AB
PanSTARRS_g 332.55 2.7 17.595 0.009 AB
PanSTARRS_r 554.97 2.56 17.039 0.005 AB
PanSTARRS_i 711.89 2.68 16.769 0.004 AB
PanSTARRS_z 785.52 5.86 16.662 0.008 AB
PanSTARRS_y 970.95 14.01 16.432 0.016 AB
2MASS_J 766.33 183.94 15.794 0.261 Vega
2MASS_H 1428.98 252.13 14.645 0.192 Vega
2MASS_K 673.23 364.51 14.992 0.588 Vega
WISE_W1 390.82 12.79 14.721 0.036 Vega
WISE_W2 257.99 16.19 14.532 0.068 Vega
WISE_W3 543.97 51.69 11.887 0.103 Vega
WISE_W4 189.11 296.19 11.588 1.700 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})\, 8.684 8.799 8.924
{\rm log}_{10}({\rm SFR}) -1.947 -1.369 -0.871
{\rm log}_{10}({\rm sSFR}) -10.771 -10.204 -9.666
{\rm stellar\ age} 6.314 7.719 10.183

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.728 -1.223 -0.639
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.770 0.054 0.355

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.286 0.731 1.119
\delta -0.343 0.002 0.264
\tau_1/\tau_2 0.668 1.041 1.419
Q_{PAH} 0.986 2.718 4.990
U_{min} 3.060 8.050 14.927
{\rm log}_{10}(\gamma_e)\, -2.968 -1.931 -0.944

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.967 -0.865 -0.172
{\rm log}_{10}(\tau_{AGN})\, 1.137 1.566 1.964

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.962 -1.277 -0.847
0.03-0.10 Gyr -2.241 -1.474 -0.853
0.10-0.33 Gyr -2.663 -1.745 -1.101
0.33-1.09 Gyr -2.824 -1.794 -1.229
1.09-3.58 Gyr -2.587 -1.481 -1.092
3.58-11.78 Gyr -1.569 -1.106 -0.926
11.78-13.09 Gyr -1.503 -0.918 -0.219

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.901 9.963 10.062
{\rm log}_{10}({\rm SFR}) -0.598 -0.336 -0.043
{\rm log}_{10}({\rm sSFR}) -10.569 -10.300 -9.988
{\rm stellar\ age} 7.846 9.314 12.074

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.095 -0.865 -0.711
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.038 0.240 0.400

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.044 0.097 0.193
\delta -0.677 -0.283 0.061
\tau_1/\tau_2 0.621 1.042 1.477
Q_{PAH} 0.309 0.948 2.140
U_{min} 2.834 8.052 15.562
{\rm log}_{10}(\gamma_e)\, -2.859 -1.938 -0.984

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.073 -2.699 -1.923
{\rm log}_{10}(\tau_{AGN})\, 1.146 1.547 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.208 -0.789 -0.554
0.03-0.10 Gyr -0.564 -0.221 0.097
0.10-0.33 Gyr -1.843 -0.728 -0.322
0.33-1.09 Gyr -2.506 -1.064 -0.636
1.09-3.58 Gyr -2.686 -1.134 -0.587
3.58-11.78 Gyr -1.127 0.019 0.174
11.78-13.09 Gyr 0.039 0.682 1.173