2021huw results

Information

Transient
Name:SN2021huw
Right ascension: 8h56m32.73s
Declination:39d08m29.06s
Discovery Date:March 29, 2021, 4:20 a.m.
Classification:SN Ia
Redshift:0.042000
MW E(B-V):0.020
Host
Name:2021huw
Right ascension: 8h56m32.73s
Declination:39d08m27.82s
Redshift:0.041856
Photometric Redshift:0.025
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.3
Transient MWEBV processed 0.04
Host match processed 3.3
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 6.74
Validate global photometry processed 18.84
Global host SED inference processed 493.87
Local aperture photometry processed 6.46
Validate local photometry processed 0.03
Local host SED inference processed 923.64
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h56m32.73s, 39d08m29.06s
semi major axis, semi minor axis (arcsec):2.42, 2.42
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 391.11 5.4 17.419 0.015 AB
SDSS_g 2115.11 11.96 15.587 0.006 AB
DES_g 1990.13 3.15 15.653 0.002 AB
PanSTARRS_g 2271.55 1.09 15.509 0.001 AB
SDSS_r 4167.37 16.8 14.850 0.004 AB
PanSTARRS_r 4150.22 1.49 14.855 0.000 AB
SDSS_i 5810.46 19.86 14.489 0.004 AB
PanSTARRS_i 5806.5 1.13 14.490 0.000 AB
PanSTARRS_z 7100.36 2.13 14.272 0.000 AB
SDSS_z 7613.79 23.43 14.196 0.003 AB
DES_z 7369.45 21.46 14.231 0.003 AB
PanSTARRS_y 8192.06 4.76 14.117 0.001 AB

Aperture details

RA, DEC (J2000):8h56m32.72s, 39d08m27.85s
semi major axis, semi minor axis (arcsec):22.46, 13.99
angle (degrees, anti-clockwise from east):-71.93
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 35.02 5.96 20.039 0.185 AB
GALEX_NUV 115.06 1.95 18.748 0.018 AB
SDSS_u 1197.71 15.7 16.204 0.014 AB
SDSS_g 7066.85 22.44 14.277 0.003 AB
DES_g 7164.5 6.03 14.262 0.001 AB
PanSTARRS_g 7852.58 4.21 14.162 0.001 AB
SDSS_r 14315.58 32.29 13.510 0.002 AB
PanSTARRS_r 15078.36 5.4 13.454 0.000 AB
SDSS_i 20474.57 39.22 13.122 0.002 AB
PanSTARRS_i 20795.68 4.59 13.105 0.000 AB
PanSTARRS_z 25781.38 9.98 12.872 0.000 AB
SDSS_z 26816.56 61.19 12.829 0.002 AB
DES_z 26142.28 40.57 12.857 0.002 AB
PanSTARRS_y 31530.75 31.88 12.653 0.001 AB
2MASS_J 38354.41 360.91 11.546 0.010 Vega
2MASS_H 47402.67 602.94 10.843 0.014 Vega
2MASS_K 40410.58 597.83 10.546 0.016 Vega
WISE_W1 18815.41 92.02 10.515 0.005 Vega
WISE_W2 10501.61 91.23 10.508 0.009 Vega
WISE_W3 2902.31 204.55 10.069 0.077 Vega
WISE_W4 -640.26 900.13 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.493 10.633 10.720
{\rm log}_{10}({\rm SFR}) -2.577 -0.442 0.770
{\rm log}_{10}({\rm sSFR}) -13.302 -11.099 -9.795
{\rm stellar\ age} 2.930 6.372 7.661

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.265 -0.901 -0.555
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.636 -0.659 0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.367 0.572 0.996
\delta -0.923 -0.779 -0.487
\tau_1/\tau_2 0.650 1.040 1.401
Q_{PAH} 1.358 2.974 4.882
U_{min} 3.007 8.518 16.106
{\rm log}_{10}(\gamma_e)\, -2.775 -1.434 -0.526

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.525 -3.559 -0.913
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.566 2.024

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.550 -0.589 0.154
0.03-0.10 Gyr -3.257 -0.540 0.860
0.10-0.33 Gyr -2.581 -0.038 0.998
0.33-1.09 Gyr -1.805 0.222 0.778
1.09-3.60 Gyr 0.146 0.794 1.093
3.60-11.88 Gyr -0.727 0.671 0.892
11.88-13.20 Gyr -1.187 0.524 1.049

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.273 11.329 11.368
{\rm log}_{10}({\rm SFR}) -0.799 -0.328 -0.009
{\rm log}_{10}({\rm sSFR}) -12.109 -11.637 -11.281
{\rm stellar\ age} 7.099 7.849 8.930

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.396 -0.303 -0.230
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.571 -0.830 -0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.214 0.291
\delta -0.934 -0.804 -0.617
\tau_1/\tau_2 0.438 0.833 1.196
Q_{PAH} 0.106 0.355 0.869
U_{min} 3.111 7.932 15.097
{\rm log}_{10}(\gamma_e)\, -3.324 -2.573 -1.854

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.619 -3.998 -3.195
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.595 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.093 -0.402 -0.023
0.03-0.10 Gyr -0.992 -0.370 0.044
0.10-0.33 Gyr -0.748 -0.172 0.272
0.33-1.09 Gyr -0.069 0.480 0.837
1.09-3.60 Gyr 0.699 1.143 1.417
3.60-11.88 Gyr 1.322 1.486 1.579
11.88-13.20 Gyr 1.165 1.582 2.008