2021yfj

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Information

Transient

Name: SN2021yfj
Right ascension: 1h37m46.17s
Declination: -1d15m17.78s
Discovery Date: Sept. 7, 2021, 9:56 a.m.
Classification: SN Ien
Redshift: 0.138650
MW E(B-V): 0.026

Host

Name: 2021yfj
Right ascension: 1h37m46.17s
Declination: -1d15m18.31s
Redshift: None
Photometric Redshift: 0.501
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.49
Cutout download processed 7.89
Global aperture construction processed 0.89
Local aperture photometry processed 5.12
Global aperture photometry processed 5.26
Validate local photometry no valid phot 0.02
Validate global photometry processed 14.04
Host information processed 0.09
Global host SED inference processed 418.99
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
Log transient processing status blocked 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) = 1h37m46.17s, -1d15m17.78s
semi major axis, semi minor axis (arcsec) = 0.82, 0.82
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error

Aperture details

RA, DEC (J2000) = 1h37m46.17s, -1d15m18.11s
semi major axis, semi minor axis (arcsec) = 3.33, 2.9
angle (degrees, anti-clockwise from east) = -3.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 1.93 0.31 23.187 0.176
GALEX_NUV 2.23 0.34 23.030 0.167
DES_g 9.46 0.17 21.460 0.020
PanSTARRS_g 9.12 0.74 21.500 0.088
PanSTARRS_r 13.08 1.02 21.109 0.085
DES_r 15.23 0.25 20.943 0.018
PanSTARRS_i 18.5 0.86 20.732 0.050
PanSTARRS_z 9.87 2.05 21.415 0.225
DES_z 21.23 0.75 20.583 0.038
PanSTARRS_y 38.75 6.12 19.929 0.172
2MASS_J 110.35 105.68 17.898 1.040
2MASS_H -46.32 178.63
2MASS_K 52.1 188.31 17.770 3.924
WISE_W1 36.37 10.62 17.299 0.317
WISE_W2 31.04 14.19 16.831 0.496
WISE_W3 -32.38 55.4
WISE_W4 446.61 406.53 10.655 0.988
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.235 8.523 8.812
{\rm log}_{10}({\rm SFR}) -0.273 -0.049 0.179
{\rm log}_{10}({\rm sSFR}) -8.972 -8.548 -8.119
{\rm stellar\ age} 0.220 2.219 4.921

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.921 -0.215 0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.356 -0.178 -0.073

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.526 0.707 0.980
\delta -0.076 0.107 0.241
\tau_1/\tau_2 0.924 1.258 1.674
Q_{PAH} 0.998 2.650 4.723
U_{min} 3.306 8.562 15.970
{\rm log}_{10}(\gamma_e)\, -2.934 -1.943 -0.660

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.446 -1.366 -0.671
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.333 1.747

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.104 0.110 0.312
0.03-0.10 Gyr -0.677 -0.171 0.180
0.10-0.32 Gyr -1.435 -0.498 -0.074
0.32-1.04 Gyr -3.077 -1.422 -0.690
1.04-3.35 Gyr -3.814 -1.799 -1.060
3.35-10.79 Gyr -4.224 -2.016 -1.244
10.79-11.99 Gyr -4.336 -2.028 -1.129