2021gca

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Information

Transient

Name: SN2021gca
Right ascension: 14h28m07.33s
Declination: 33d29m49.39s
Discovery Date: March 18, 2021, 9:22 a.m.
Classification: SN IIb
Redshift: 0.036000
MW E(B-V): 0.008

Host

Name: 2021gca
Right ascension: 14h28m07.42s
Declination: 33d30m00.53s
Redshift: 0.272000
Photometric Redshift: 0.480
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.83
Cutout download processed 12.97
Global aperture construction processed 0.92
Local aperture photometry processed 3.54
Global aperture photometry processed 4.01
Validate local photometry processed 0.02
Validate global photometry processed 10.36
Host information processed 0.1
Global host SED inference processed 501.84
Local host SED inference processed 482.68
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.09
Log transient processing status processed None
 

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) = 14h28m07.33s, 33d29m49.39s
semi major axis, semi minor axis (arcsec) = 2.8, 2.8
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g 10.32 0.62 21.365 0.065
PanSTARRS_r 10.48 0.91 21.349 0.094
PanSTARRS_i 11.89 0.74 21.212 0.068
PanSTARRS_z 14.74 1.87 20.979 0.138
PanSTARRS_y 19.79 3.72 20.659 0.204

Aperture details

RA, DEC (J2000) = 14h28m07.40s, 33d30m00.64s
semi major axis, semi minor axis (arcsec) = 2.98, 2.84
angle (degrees, anti-clockwise from east) = -121.93

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 0.33 0.23 25.096 0.747
GALEX_NUV 0.57 0.09 24.505 0.171
PanSTARRS_g 9.12 0.65 21.501 0.077
PanSTARRS_r 22.44 0.92 20.523 0.044
PanSTARRS_i 36.97 0.72 19.980 0.021
PanSTARRS_z 41.86 1.79 19.845 0.046
PanSTARRS_y 44.99 3.51 19.767 0.085
2MASS_J 205.48 89.84 17.223 0.475
2MASS_H 49.76 138.68 18.290 3.026
2MASS_K -58.86 143.79
WISE_W1 32.99 7.06 17.405 0.232
WISE_W2 26.44 9.68 17.005 0.398
WISE_W3 -69.73 36.54
WISE_W4 247.94 301.41 11.294 1.320
 

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})\, 7.154 7.512 7.756
{\rm log}_{10}({\rm SFR}) -2.183 -1.632 -1.073
{\rm log}_{10}({\rm sSFR}) -9.896 -9.167 -8.284
{\rm stellar\ age} 0.372 5.033 7.153

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.224 -0.378 0.019
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.097 -0.658 -0.221

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.533 1.063
\delta -0.483 -0.013 0.271
\tau_1/\tau_2 0.698 1.100 1.489
Q_{PAH} 0.786 2.528 5.211
U_{min} 3.017 8.108 15.140
{\rm log}_{10}(\gamma_e)\, -2.934 -1.858 -0.692

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.380 -0.325 0.151
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.419 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.315 -1.821 -1.326
0.03-0.10 Gyr -2.363 -1.656 -0.985
0.10-0.33 Gyr -2.964 -2.073 -1.466
0.33-1.09 Gyr -4.008 -2.384 -1.929
1.09-3.61 Gyr -4.930 -2.585 -2.146
3.61-11.95 Gyr -5.268 -2.646 -2.185
11.95-13.27 Gyr -5.221 -2.698 -1.985

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.563 8.700 8.806
{\rm log}_{10}({\rm SFR}) -2.442 -1.858 -1.402
{\rm log}_{10}({\rm sSFR}) -11.174 -10.565 -10.039
{\rm stellar\ age} 7.702 10.003 12.530

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.738 -1.349 -0.868
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.669 -0.231 0.364

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.924 1.197 1.441
\delta -0.244 -0.082 0.081
\tau_1/\tau_2 0.589 0.992 1.417
Q_{PAH} 0.679 1.936 4.098
U_{min} 3.423 9.098 16.775
{\rm log}_{10}(\gamma_e)\, -2.703 -1.642 -0.762

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.877 -1.854 -0.785
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.559 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.735 -1.929 -1.435
0.03-0.10 Gyr -2.742 -1.911 -1.359
0.10-0.33 Gyr -4.369 -2.456 -1.711
0.33-1.09 Gyr -5.430 -2.788 -1.897
1.09-3.61 Gyr -4.719 -2.468 -1.632
3.61-11.95 Gyr -3.339 -1.414 -1.135
11.95-13.27 Gyr -1.353 -0.483 -0.081