2021T

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Information

Transient

Name: SN2021T
Right ascension: 0h39m18.99s
Declination: -0d27m20.77s
Discovery Date: Jan. 2, 2021, 3:10 a.m.
Classification: SN Ia
Redshift: 0.045400
MW E(B-V): 0.017

Host

Name: 2021T
Right ascension: 0h39m18.97s
Declination: -0d27m22.66s
Redshift: 0.045407
Photometric Redshift: 0.040
 

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 3.15
Cutout download processed 17.51
Global aperture construction processed 0.68
Local aperture photometry processed 7.21
Global aperture photometry processed 7.95
Validate local photometry processed 0.03
Validate global photometry processed 20.43
Host information processed 0.1
Global host SED inference processed 414.65
Local host SED inference processed 463.69
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 0h39m18.99s, -0d27m20.77s
semi major axis, semi minor axis (arcsec) = 2.24, 2.24
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 83.6 2.9 19.095 0.038 AB
SDSS_g 203.03 3.76 18.131 0.020 AB
DES_g 201.79 0.4 18.138 0.002 AB
PanSTARRS_g 206.74 0.73 18.111 0.004 AB
SDSS_r 283.89 4.5 17.767 0.017 AB
PanSTARRS_r 282.62 0.46 17.772 0.002 AB
DES_r 308.9 0.58 17.675 0.002 AB
SDSS_i 357.03 5.17 17.518 0.016 AB
PanSTARRS_i 360.86 0.76 17.507 0.002 AB
PanSTARRS_z 374.38 1.54 17.467 0.004 AB
SDSS_z 399.9 8.3 17.395 0.023 AB
DES_z 406.16 6.53 17.378 0.017 AB
PanSTARRS_y 440.4 3.48 17.290 0.009 AB

Aperture details

RA, DEC (J2000) = 0h39m18.94s, -0d27m22.37s
semi major axis, semi minor axis (arcsec) = 12.7, 10.39
angle (degrees, anti-clockwise from east) = -1.33

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 204.35 2.72 18.124 0.014 AB
GALEX_NUV 272.13 1.82 17.813 0.007 AB
SDSS_u 564.94 10.72 17.020 0.021 AB
SDSS_g 1173.33 9.53 16.226 0.009 AB
DES_g 1182.42 1.07 16.218 0.001 AB
PanSTARRS_g 1159.94 3.5 16.239 0.003 AB
SDSS_r 1560.51 11.66 15.917 0.008 AB
DES_r 1670.78 1.5 15.843 0.001 AB
SDSS_i 1843.7 14.04 15.736 0.008 AB
PanSTARRS_i 1853.39 3.6 15.730 0.002 AB
PanSTARRS_z 1981.51 7.57 15.658 0.004 AB
SDSS_z 1966.59 35.43 15.666 0.020 AB
DES_z 2081.48 15.57 15.604 0.008 AB
PanSTARRS_y 2408.25 17.74 15.446 0.008 AB
2MASS_J 1855.59 222.43 14.834 0.130 Vega
2MASS_H 2459.35 350.94 14.055 0.155 Vega
2MASS_K 2292.98 454.36 13.661 0.215 Vega
WISE_W1 1201.82 27.14 13.501 0.025 Vega
WISE_W2 725.14 31.1 13.410 0.047 Vega
WISE_W3 4010.74 141.07 9.718 0.038 Vega
WISE_W4 3815.75 789.76 8.326 0.225 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})\, 9.110 9.307 9.444
{\rm log}_{10}({\rm SFR}) -0.675 -0.242 0.251
{\rm log}_{10}({\rm sSFR}) -10.049 -9.509 -8.912
{\rm stellar\ age} 3.729 6.246 7.690

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.473 -0.959 -0.542
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.048 0.249 0.403

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.367 0.675
\delta -0.740 -0.348 0.042
\tau_1/\tau_2 0.664 1.016 1.352
Q_{PAH} 0.431 1.760 3.534
U_{min} 2.624 7.696 14.711
{\rm log}_{10}(\gamma_e)\, -3.487 -2.190 -1.121

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.519 -1.649 -0.746
{\rm log}_{10}(\tau_{AGN})\, 0.914 1.293 1.785

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.921 -0.658 -0.396
0.03-0.10 Gyr -0.655 -0.135 0.393
0.10-0.33 Gyr -0.955 -0.390 0.022
0.33-1.09 Gyr -1.335 -0.699 -0.370
1.09-3.59 Gyr -1.202 -0.680 -0.410
3.59-11.83 Gyr -1.301 -0.688 -0.434
11.83-13.15 Gyr -1.506 -0.685 -0.150

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.535 9.760 9.870
{\rm log}_{10}({\rm SFR}) 0.677 0.855 1.061
{\rm log}_{10}({\rm sSFR}) -9.180 -8.903 -8.504
{\rm stellar\ age} 3.271 5.498 6.878

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.519 -0.365 -0.244
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.204 0.331 0.433

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.140 0.230 0.365
\delta -0.809 -0.548 -0.342
\tau_1/\tau_2 0.623 0.998 1.364
Q_{PAH} 0.313 0.773 1.556
U_{min} 2.724 7.434 13.888
{\rm log}_{10}(\gamma_e)\, -3.228 -2.490 -1.848

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.274 -3.454 -2.618
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.501 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.034 0.107 0.240
0.03-0.10 Gyr 0.804 0.996 1.206
0.10-0.33 Gyr -0.670 0.191 0.568
0.33-1.09 Gyr -0.903 -0.210 0.121
1.09-3.59 Gyr -0.790 -0.219 0.026
3.59-11.83 Gyr -0.919 -0.300 -0.060
11.83-13.15 Gyr -1.069 -0.314 0.176