2021G

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Information

Transient

Name: SN2021G
Right ascension: 11h46m39.50s
Declination: 42d12m01.08s
Discovery Date: Jan. 1, 2021, 10:28 a.m.
Classification: SN Ia
Redshift: 0.051295
MW E(B-V): 0.016

Host

Name: 2021G
Right ascension: 11h46m39.07s
Declination: 42d12m01.71s
Redshift: 0.051245
Photometric Redshift: 0.063
 

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 2.49
Cutout download processed 15.2
Global aperture construction processed 0.7
Local aperture photometry processed 5.39
Global aperture photometry processed 5.69
Validate local photometry processed 0.02
Validate global photometry processed 16.51
Host information processed 0.09
Global host SED inference processed 389.79
Local host SED inference processed 465.14
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) = 11h46m39.50s, 42d12m01.08s
semi major axis, semi minor axis (arcsec) = 2.0, 2.0
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 4.24 1.84 22.333 0.471 AB
SDSS_g 15.06 1.17 20.955 0.084 AB
PanSTARRS_g 16.25 0.53 20.873 0.035 AB
SDSS_r 24.86 1.58 20.411 0.069 AB
PanSTARRS_r 24.66 0.51 20.420 0.022 AB
SDSS_i 26.16 1.98 20.356 0.082 AB
PanSTARRS_i 28.73 0.46 20.254 0.017 AB
PanSTARRS_z 31.53 1.63 20.153 0.056 AB
SDSS_z 40.59 6.9 19.879 0.185 AB
PanSTARRS_y 36.38 3.0 19.998 0.090 AB

Aperture details

RA, DEC (J2000) = 11h46m39.01s, 42d12m01.43s
semi major axis, semi minor axis (arcsec) = 9.42, 8.62
angle (degrees, anti-clockwise from east) = -75.2

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 59.2 5.47 19.469 0.100 AB
GALEX_NUV 76.71 2.99 19.188 0.042 AB
SDSS_u 155.59 8.67 18.420 0.061 AB
SDSS_g 417.71 6.0 17.348 0.016 AB
PanSTARRS_g 430.53 2.37 17.315 0.006 AB
SDSS_r 622.16 7.73 16.915 0.013 AB
PanSTARRS_r 612.57 2.29 16.932 0.004 AB
SDSS_i 746.33 9.77 16.718 0.014 AB
PanSTARRS_i 741.86 2.06 16.724 0.003 AB
PanSTARRS_z 822.73 7.33 16.612 0.010 AB
SDSS_z 992.03 31.3 16.409 0.034 AB
PanSTARRS_y 934.31 13.51 16.474 0.016 AB
2MASS_J 1240.71 189.83 15.271 0.166 Vega
2MASS_H 1374.36 352.46 14.687 0.278 Vega
2MASS_K 612.99 309.42 15.094 0.548 Vega
WISE_W1 403.42 16.55 14.687 0.045 Vega
WISE_W2 257.06 18.16 14.536 0.077 Vega
WISE_W3 804.14 83.04 11.463 0.112 Vega
WISE_W4 631.55 470.58 10.279 0.809 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})\, 8.224 8.395 8.513
{\rm log}_{10}({\rm SFR}) -2.132 -1.546 -0.913
{\rm log}_{10}({\rm sSFR}) -10.569 -9.970 -9.197
{\rm stellar\ age} 3.302 5.862 7.307

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.504 -0.788 -0.205
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.749 -0.950 0.210

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.456 0.850
\delta -0.590 -0.145 0.216
\tau_1/\tau_2 0.681 1.030 1.381
Q_{PAH} 1.078 2.891 5.228
U_{min} 2.943 7.819 14.328
{\rm log}_{10}(\gamma_e)\, -2.760 -1.671 -0.704

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.346 -0.447 0.044
{\rm log}_{10}(\tau_{AGN})\, 1.078 1.549 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.354 -1.732 -1.155
0.03-0.10 Gyr -2.273 -1.541 -0.823
0.10-0.33 Gyr -2.074 -1.451 -0.926
0.33-1.08 Gyr -1.977 -1.411 -1.022
1.08-3.57 Gyr -2.001 -1.491 -1.245
3.57-11.76 Gyr -2.269 -1.612 -1.371
11.76-13.07 Gyr -2.451 -1.682 -1.138

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.771 9.840 9.939
{\rm log}_{10}({\rm SFR}) -0.382 -0.050 0.216
{\rm log}_{10}({\rm sSFR}) -10.235 -9.903 -9.643
{\rm stellar\ age} 6.552 7.418 8.908

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.189 -0.920 -0.725
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.633 0.223 0.415

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.065 0.122 0.225
\delta -0.780 -0.390 -0.031
\tau_1/\tau_2 0.604 0.959 1.333
Q_{PAH} 0.749 1.811 3.497
U_{min} 2.714 7.658 15.070
{\rm log}_{10}(\gamma_e)\, -2.932 -2.036 -1.229

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.759 -2.424 -1.766
{\rm log}_{10}(\tau_{AGN})\, 1.157 1.572 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.979 -0.961 -0.567
0.03-0.10 Gyr -0.288 0.097 0.375
0.10-0.33 Gyr -0.537 -0.073 0.213
0.33-1.08 Gyr -1.037 -0.379 -0.129
1.08-3.57 Gyr -0.931 -0.355 -0.088
3.57-11.76 Gyr -0.280 -0.051 0.087
11.76-13.07 Gyr -0.431 0.093 0.635