2021twb

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Information

Transient

Name: SN2021twb
Right ascension: 0h47m07.79s
Declination: -25d39m43.16s
Discovery Date: July 20, 2021, 12:47 p.m.
Classification: SN Ia
Redshift: 0.065000
MW E(B-V): 0.015

Host

Name: 2021twb
Right ascension: 0h47m07.66s
Declination: -25d39m38.29s
Redshift: 0.060900
Photometric Redshift: 0.072
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 1.94
Cutout download processed 8.07
Global aperture construction processed 0.64
Local aperture photometry processed 5.84
Global aperture photometry processed 6.17
Validate local photometry processed 0.02
Validate global photometry processed 15.69
Host information processed 0.09
Global host SED inference processed 471.73
Local host SED inference processed 464.7
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 0h47m07.79s, -25d39m43.16s
semi major axis, semi minor axis (arcsec) = 1.7, 1.7
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 23.4 0.17 20.477 0.008 AB
PanSTARRS_g 19.75 0.5 20.661 0.027 AB
PanSTARRS_r 32.9 0.61 20.107 0.020 AB
DES_r 40.34 0.25 19.886 0.007 AB
PanSTARRS_i 43.37 0.59 19.807 0.015 AB
PanSTARRS_z 52.26 1.54 19.605 0.032 AB
DES_z 58.89 0.97 19.475 0.018 AB
PanSTARRS_y 59.5 3.21 19.464 0.059 AB

Aperture details

RA, DEC (J2000) = 0h47m07.66s, -25d39m38.46s
semi major axis, semi minor axis (arcsec) = 13.52, 11.5
angle (degrees, anti-clockwise from east) = -154.37

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 43.27 1.23 19.810 0.031 AB
GALEX_NUV 60.19 0.44 19.451 0.008 AB
DES_g 528.39 0.95 17.093 0.002 AB
PanSTARRS_g 502.66 3.61 17.147 0.008 AB
PanSTARRS_r 818.89 4.39 16.617 0.006 AB
DES_r 945.76 1.35 16.461 0.002 AB
PanSTARRS_i 1150.88 4.24 16.247 0.004 AB
PanSTARRS_z 1324.84 11.03 16.095 0.009 AB
DES_z 1412.33 5.11 16.025 0.004 AB
PanSTARRS_y 1610.09 23.64 15.883 0.016 AB
2MASS_J 1849.3 287.31 14.838 0.169 Vega
2MASS_H 2177.81 467.64 14.187 0.233 Vega
2MASS_K 1504.47 480.72 14.119 0.347 Vega
WISE_W1 796.89 21.38 13.947 0.029 Vega
WISE_W2 466.34 29.2 13.889 0.068 Vega
WISE_W3 994.62 124.91 11.232 0.136 Vega
WISE_W4 -316.31 590.04 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.529 8.777 8.884
{\rm log}_{10}({\rm SFR}) -1.944 -1.229 -0.347
{\rm log}_{10}({\rm sSFR}) -10.736 -9.997 -8.934
{\rm stellar\ age} 3.089 6.132 7.427

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.041 -0.478 -0.142
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.673 -0.702 0.236

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.137 0.422 0.871
\delta -0.776 -0.441 -0.051
\tau_1/\tau_2 0.649 1.007 1.364
Q_{PAH} 0.793 2.700 5.296
U_{min} 3.089 8.197 15.288
{\rm log}_{10}(\gamma_e)\, -3.027 -1.906 -0.742

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.957 -0.429 0.128
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.497 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.062 -1.514 -1.034
0.03-0.10 Gyr -2.068 -1.200 -0.215
0.10-0.33 Gyr -2.021 -1.228 -0.606
0.33-1.08 Gyr -1.945 -1.194 -0.820
1.08-3.55 Gyr -1.901 -1.144 -0.909
3.55-11.65 Gyr -2.079 -1.201 -0.987
11.65-12.95 Gyr -2.129 -1.231 -0.720

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.269 10.313 10.383
{\rm log}_{10}({\rm SFR}) -0.304 -0.066 0.186
{\rm log}_{10}({\rm sSFR}) -10.638 -10.397 -10.152
{\rm stellar\ age} 7.367 8.142 10.556

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.630 -0.473 -0.359
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.002 0.245 0.410

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.068 0.107 0.181
\delta -0.875 -0.614 -0.278
\tau_1/\tau_2 0.767 1.162 1.522
Q_{PAH} 0.283 1.245 4.021
U_{min} 2.434 7.389 15.073
{\rm log}_{10}(\gamma_e)\, -2.706 -1.342 -0.544

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.563 -3.783 -2.757
{\rm log}_{10}(\tau_{AGN})\, 1.101 1.597 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.573 -0.348 -0.170
0.03-0.10 Gyr -0.301 0.018 0.314
0.10-0.33 Gyr -0.395 -0.045 0.208
0.33-1.08 Gyr -0.806 -0.307 -0.026
1.08-3.55 Gyr -0.846 -0.226 0.130
3.55-11.65 Gyr 0.119 0.460 0.559
11.65-12.95 Gyr 0.253 0.736 1.362