2021twd results

Information

Transient
Name:2021twd
Right ascension: 2h18m58.99s
Declination:-31d40m07.58s
Discovery Date:None
Classification:SN Ia
Redshift:0.035278
MW E(B-V):0.021
Host
Name:2021twd
Right ascension: 2h18m58.87s
Declination:-31d40m09.57s
Redshift:0.035278
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_r
PanSTARRS_i
DES_g
PanSTARRS_g
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.62
Transient MWEBV processed 0.04
Host match processed 0.91
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.57
Global aperture photometry processed 2.34
Validate global photometry processed 7.15
Global host SED inference processed 524.34
Local aperture photometry processed 2.27
Validate local photometry processed 0.02
Local host SED inference processed 679.66
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h18m58.99s, -31d40m07.58s
semi major axis, semi minor axis (arcsec):2.85, 2.85
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 310.92 0.53 17.668 0.002 AB
PanSTARRS_r 540.38 4.71 17.068 0.009 AB
PanSTARRS_i 945.09 1.3 16.461 0.001 AB
2MASS_H 1768.82 105.56 14.413 0.065 Vega

Aperture details

RA, DEC (J2000):2h18m58.89s, -31d40m09.53s
semi major axis, semi minor axis (arcsec):8.08, 7.55
angle (degrees, anti-clockwise from east):-62.13
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.5 1.52 21.577 0.194 AB
GALEX_NUV 8.56 1.51 21.569 0.191 AB
DES_g 903.15 0.96 16.511 0.001 AB
PanSTARRS_i 2486.31 3.25 15.411 0.001 AB
2MASS_J 4821.7 250.77 13.797 0.056 Vega
2MASS_H 5598.64 346.62 13.162 0.067 Vega
2MASS_K 4682.91 425.37 12.886 0.099 Vega
WISE_W1 2330.49 31.92 12.782 0.015 Vega
WISE_W2 1306.78 32.65 12.770 0.027 Vega
WISE_W3 334.16 104.12 12.416 0.338 Vega
WISE_W4 -775.49 533.95 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.434 9.776 9.993
{\rm log}_{10}({\rm SFR}) -0.366 0.292 0.895
{\rm log}_{10}({\rm sSFR}) -10.273 -9.526 -8.576
{\rm stellar\ age} 1.807 6.338 8.824

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.802 -1.343 -0.619
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.493 -0.364 0.128

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.001 1.456 1.889
\delta -0.484 -0.291 0.103
\tau_1/\tau_2 0.512 0.902 1.334
Q_{PAH} 0.309 1.249 2.963
U_{min} 2.686 8.180 15.170
{\rm log}_{10}(\gamma_e)\, -3.648 -2.777 -1.400

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.321 -2.180 -0.521
{\rm log}_{10}(\tau_{AGN})\, 0.886 1.452 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.307 0.233 0.608
0.03-0.10 Gyr -0.827 0.249 1.003
0.10-0.33 Gyr -1.940 -0.448 0.266
0.33-1.09 Gyr -2.517 -0.542 0.147
1.09-3.62 Gyr -2.553 -0.475 0.098
3.62-11.96 Gyr -2.500 -0.437 0.045
11.96-13.28 Gyr -2.325 -0.271 0.614

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.297 10.345 10.429
{\rm log}_{10}({\rm SFR}) -2.549 -2.117 -1.771
{\rm log}_{10}({\rm sSFR}) -12.884 -12.445 -12.122
{\rm stellar\ age} 8.097 9.748 12.520

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.499 -0.310 -0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.411 -0.644 0.052

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.046 0.115 0.217
\delta -0.252 0.112 0.312
\tau_1/\tau_2 0.487 0.905 1.323
Q_{PAH} 0.947 2.476 4.586
U_{min} 2.708 8.156 16.171
{\rm log}_{10}(\gamma_e)\, -2.334 -1.159 -0.511

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.394 -3.524 -2.584
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.450 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.506 -1.997 -1.680
0.03-0.10 Gyr -3.814 -2.331 -1.764
0.10-0.33 Gyr -4.044 -2.313 -1.647
0.33-1.09 Gyr -4.078 -2.220 -1.390
1.09-3.62 Gyr -3.250 -1.608 -0.496
3.62-11.96 Gyr -1.251 0.399 0.578
11.96-13.28 Gyr 0.325 1.081 1.546