2021sni results

Information

Transient
Name:SN2021sni
Right ascension: 19h50m39.57s
Declination:-30d55m20.57s
Discovery Date:July 8, 2021, 6:14 a.m.
Classification:SN Ia
Redshift:0.022600
MW E(B-V):0.116
Host
Name:2021sni
Right ascension: 19h50m49.51s
Declination:-30d58m13.66s
Redshift:None
Photometric Redshift:None
 

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_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.38
Transient MWEBV processed 0.04
Host match processed 1.61
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 3.95
Global aperture photometry processed 3.93
Validate global photometry processed 7.66
Global host SED inference processed 512.56
Local aperture photometry processed 3.93
Validate local photometry processed 0.02
Local host SED inference processed 588.67
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):19h50m39.57s, -30d55m20.57s
semi major axis, semi minor axis (arcsec):4.38, 4.38
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.04 1.78 23.856 1.852 AB
PanSTARRS_i 4149.96 4.35 14.855 0.001 AB
PanSTARRS_z 5413.33 7.26 14.566 0.001 AB
PanSTARRS_y 6518.41 23.21 14.365 0.004 AB
2MASS_J 8219.81 92.39 13.218 0.012 Vega
2MASS_H 10838.47 149.75 12.445 0.015 Vega
2MASS_K 9150.35 145.45 12.159 0.017 Vega

Aperture details

RA, DEC (J2000):19h50m49.50s, -30d58m13.42s
semi major axis, semi minor axis (arcsec):1.41, 1.37
angle (degrees, anti-clockwise from east):-160.32
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.16 1.55 25.869 10.329 AB
GALEX_NUV 0.17 1.47 25.811 9.306 AB
PanSTARRS_g 2.33 0.9 22.980 0.417 AB
PanSTARRS_r 4.14 0.93 22.359 0.244 AB
PanSTARRS_i 8.13 0.78 21.625 0.104 AB
PanSTARRS_z 7.92 1.58 21.653 0.217 AB
PanSTARRS_y 7.84 5.57 21.665 0.771 AB
WISE_W1 -1.85 26.58 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.913 10.113 10.343
{\rm log}_{10}({\rm SFR}) -1.018 -0.087 0.766
{\rm log}_{10}({\rm sSFR}) -11.206 -10.287 -9.310
{\rm stellar\ age} 2.236 6.770 9.808

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.070 -0.464 -0.141
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.696 -0.956 -0.278

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.480 0.975 1.433
\delta -0.618 -0.103 0.246
\tau_1/\tau_2 0.387 0.836 1.330
Q_{PAH} 0.629 1.935 4.341
U_{min} 3.277 9.143 17.015
{\rm log}_{10}(\gamma_e)\, -2.798 -1.789 -0.959

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.569 -3.443 -1.250
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.458 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.486 -0.202 0.255
0.03-0.10 Gyr -2.179 -0.279 0.896
0.10-0.33 Gyr -1.956 -0.268 0.757
0.33-1.10 Gyr -1.815 -0.178 0.576
1.10-3.65 Gyr -2.137 -0.150 0.382
3.65-12.11 Gyr -2.155 0.004 0.400
12.11-13.46 Gyr -1.792 0.130 1.130

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.158 7.445 7.684
{\rm log}_{10}({\rm SFR}) -2.576 -1.915 -1.339
{\rm log}_{10}({\rm sSFR}) -10.052 -9.358 -8.668
{\rm stellar\ age} 2.044 6.457 8.741

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.681 -1.128 -0.426
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.469 -0.701 -0.180

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.050 1.808 2.466
\delta -0.036 0.163 0.312
\tau_1/\tau_2 0.480 0.859 1.269
Q_{PAH} 0.901 2.530 4.858
U_{min} 3.270 9.129 17.009
{\rm log}_{10}(\gamma_e)\, -3.049 -1.896 -0.891

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.939 -1.241 -0.059
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.426 1.751

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.915 -1.907 -1.347
0.03-0.10 Gyr -3.187 -2.156 -1.390
0.10-0.33 Gyr -3.787 -2.494 -1.760
0.33-1.10 Gyr -4.631 -2.865 -2.233
1.10-3.65 Gyr -4.754 -2.765 -2.295
3.65-12.11 Gyr -4.491 -2.653 -2.241
12.11-13.46 Gyr -4.411 -2.605 -1.808