2021usd

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Information

Transient

Name: SN2021usd
Right ascension: 18h22m03.34s
Declination: 36d37m20.39s
Discovery Date: Aug. 2, 2021, 9:01 a.m.
Classification: SN Ia
Redshift: 0.028240
MW E(B-V): 0.034

Host

Name: 2021usd
Right ascension: 18h22m04.10s
Declination: 36d37m14.84s
Redshift: 0.028240
Photometric Redshift: 0.025
 

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 None
Cutout download processed 6.32
Global aperture construction processed 0.61
Local aperture photometry processed 4.26
Global aperture photometry processed 4.79
Validate local photometry processed 0.02
Validate global photometry processed 12.98
Host information processed 0.08
Global host SED inference processed 470.4
Local host SED inference processed 492.29
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) = 18h22m03.34s, 36d37m20.39s
semi major axis, semi minor axis (arcsec) = 3.53, 3.53
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 133.24 0.92 18.588 0.007 AB
PanSTARRS_g 143.55 0.77 18.507 0.006 AB
PanSTARRS_r 252.86 1.12 17.893 0.005 AB
PanSTARRS_i 348.14 0.79 17.546 0.002 AB
PanSTARRS_z 438.97 2.9 17.294 0.007 AB
DES_z 401.98 3.89 17.389 0.011 AB
PanSTARRS_y 540.55 7.39 17.068 0.015 AB
2MASS_J 576.05 69.57 16.104 0.131 Vega
2MASS_H 719.09 103.41 15.390 0.156 Vega
2MASS_K 515.75 127.98 15.281 0.269 Vega

Aperture details

RA, DEC (J2000) = 18h22m04.09s, 36d37m14.96s
semi major axis, semi minor axis (arcsec) = 23.36, 18.36
angle (degrees, anti-clockwise from east) = -87.25

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 112.22 4.18 18.775 0.040 AB
DES_g 4291.15 5.21 14.819 0.001 AB
PanSTARRS_g 4517.24 4.48 14.763 0.001 AB
PanSTARRS_r 8389.76 6.51 14.091 0.001 AB
PanSTARRS_i 11619.39 4.53 13.737 0.000 AB
PanSTARRS_z 14754.38 16.79 13.478 0.001 AB
DES_z 14246.3 23.15 13.516 0.002 AB
PanSTARRS_y 17278.98 42.35 13.306 0.003 AB
2MASS_J 21360.02 439.36 12.181 0.022 Vega
2MASS_H 26604.29 650.31 11.470 0.027 Vega
2MASS_K 20472.15 808.59 11.284 0.043 Vega
WISE_W3 7236.59 237.41 9.077 0.036 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})\, 9.126 9.247 9.365
{\rm log}_{10}({\rm SFR}) -2.025 -1.196 -0.498
{\rm log}_{10}({\rm sSFR}) -11.362 -10.422 -9.707
{\rm stellar\ age} 6.324 7.962 10.801

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.680 -1.119 -0.607
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.679 -0.312 0.333

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.335 0.801 1.120
\delta -0.552 -0.225 0.086
\tau_1/\tau_2 0.692 1.044 1.420
Q_{PAH} 0.521 1.897 4.330
U_{min} 2.949 8.029 15.257
{\rm log}_{10}(\gamma_e)\, -3.367 -1.926 -0.762

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.906 -1.865 -0.710
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.462 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.187 -1.365 -0.861
0.03-0.10 Gyr -2.179 -1.181 -0.394
0.10-0.33 Gyr -2.365 -1.308 -0.597
0.33-1.10 Gyr -2.485 -1.331 -0.735
1.10-3.63 Gyr -2.385 -1.116 -0.651
3.63-12.04 Gyr -1.235 -0.693 -0.511
12.04-13.38 Gyr -1.082 -0.432 0.265

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.729 10.786 10.853
{\rm log}_{10}({\rm SFR}) -0.660 -0.117 0.230
{\rm log}_{10}({\rm sSFR}) -11.452 -10.910 -10.537
{\rm stellar\ age} 7.401 8.146 10.350

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.618 -0.415 -0.275
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.862 -1.256 0.139

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.225 0.412 0.554
\delta -0.248 0.044 0.268
\tau_1/\tau_2 0.484 0.890 1.303
Q_{PAH} 0.211 0.656 1.241
U_{min} 2.032 5.773 12.358
{\rm log}_{10}(\gamma_e)\, -3.749 -3.272 -2.172

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.179 -2.634 -1.468
{\rm log}_{10}(\tau_{AGN})\, 0.851 1.135 1.712

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.975 -0.292 0.077
0.03-0.10 Gyr -0.929 -0.109 0.316
0.10-0.33 Gyr -0.642 0.082 0.472
0.33-1.10 Gyr -0.820 0.028 0.336
1.10-3.63 Gyr -0.469 0.396 0.768
3.63-12.04 Gyr 0.621 0.920 1.034
12.04-13.38 Gyr 0.620 1.113 1.717