2021knb results

Information

Transient
Name:SN2021knb
Right ascension: 23h18m55.62s
Declination:-20d41m58.70s
Discovery Date:April 25, 2021, 4:37 a.m.
Classification:SN II
Redshift:0.025945
MW E(B-V):0.024
Host
Name:ESO604-011
Right ascension: 23h18m55.70s
Declination:-20d42m02.89s
Redshift:0.025692
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 6.57
Transient MWEBV processed 0.11
Host match processed 4.65
Host information processed 0.27
Host MWEBV processed 0.08
Global aperture construction processed 0.65
Global aperture photometry processed 4.08
Validate global photometry processed 12.13
Global host SED inference processed 372.94
Local aperture photometry processed 3.63
Validate local photometry processed 0.02
Local host SED inference processed 412.48
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h18m55.62s, -20d41m58.70s
semi major axis, semi minor axis (arcsec):3.87, 3.87
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 443.05 0.95 17.284 0.002 AB
PanSTARRS_r 727.81 1.43 16.745 0.002 AB
PanSTARRS_i 955.61 1.33 16.449 0.002 AB
PanSTARRS_z 1151.06 3.27 16.247 0.003 AB
PanSTARRS_y 1386.46 6.83 16.045 0.005 AB
2MASS_J 1440.03 77.32 15.109 0.058 Vega
2MASS_H 1756.21 131.05 14.421 0.081 Vega
2MASS_K 1548.8 138.89 14.087 0.097 Vega

Aperture details

RA, DEC (J2000):23h18m55.71s, -20d42m02.00s
semi major axis, semi minor axis (arcsec):32.12, 15.59
angle (degrees, anti-clockwise from east):-134.54
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 362.49 12.37 17.502 0.037 AB
GALEX_NUV 530.82 8.78 17.088 0.018 AB
PanSTARRS_g 3592.71 5.09 15.011 0.002 AB
PanSTARRS_r 5715.63 7.83 14.507 0.001 AB
PanSTARRS_i 7418.15 7.4 14.224 0.001 AB
PanSTARRS_z 8558.87 18.59 14.069 0.002 AB
PanSTARRS_y 10469.87 39.49 13.850 0.004 AB
2MASS_J 12238.51 446.49 12.786 0.040 Vega
2MASS_H 15207.32 760.57 12.077 0.054 Vega
2MASS_K 11955.03 807.14 11.868 0.073 Vega
WISE_W1 6531.35 59.49 11.663 0.010 Vega
WISE_W2 4204.99 72.38 11.502 0.019 Vega
WISE_W3 18190.09 398.12 8.076 0.024 Vega
WISE_W4 20863.62 2859.18 6.482 0.149 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.305 9.476 9.644
{\rm log}_{10}({\rm SFR}) -1.398 -0.775 -0.284
{\rm log}_{10}({\rm sSFR}) -10.990 -10.293 -9.647
{\rm stellar\ age} 4.481 6.886 9.054

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.168 -0.638 -0.321
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.606 -0.826 -0.048

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.308 0.669 0.995
\delta -0.544 -0.078 0.241
\tau_1/\tau_2 0.623 0.971 1.317
Q_{PAH} 1.055 2.718 4.422
U_{min} 2.612 7.516 14.214
{\rm log}_{10}(\gamma_e)\, -3.515 -2.538 -1.200

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.387 -3.047 -1.203
{\rm log}_{10}(\tau_{AGN})\, 0.953 1.341 1.849

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.343 -0.838 -0.509
0.03-0.10 Gyr -1.834 -0.806 -0.200
0.10-0.33 Gyr -1.770 -0.707 -0.104
0.33-1.10 Gyr -1.430 -0.592 -0.137
1.10-3.64 Gyr -1.268 -0.552 -0.224
3.64-12.07 Gyr -1.129 -0.521 -0.256
12.07-13.41 Gyr -1.169 -0.432 0.288

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.265 10.335 10.447
{\rm log}_{10}({\rm SFR}) 0.139 0.421 0.701
{\rm log}_{10}({\rm sSFR}) -10.257 -9.913 -9.584
{\rm stellar\ age} 6.996 7.892 9.683

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.609 -0.397 -0.225
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.085 0.121 0.297

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.221 0.345 0.501
\delta -0.358 -0.088 0.123
\tau_1/\tau_2 0.670 1.024 1.380
Q_{PAH} 0.502 1.278 2.629
U_{min} 2.334 6.611 13.148
{\rm log}_{10}(\gamma_e)\, -3.386 -2.261 -1.435

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.395 -2.371 -1.799
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.449 1.879

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.174 0.220 0.453
0.03-0.10 Gyr 0.048 0.486 0.828
0.10-0.33 Gyr -0.562 0.066 0.428
0.33-1.10 Gyr -0.730 -0.104 0.201
1.10-3.64 Gyr -0.575 0.061 0.342
3.64-12.07 Gyr 0.251 0.448 0.586
12.07-13.41 Gyr 0.177 0.635 1.211