2021abab

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Information

Transient

Name: SN2021abab
Right ascension: 23h37m45.90s
Declination: 21d28m14.23s
Discovery Date: Oct. 10, 2021, 11:12 a.m.
Classification: SN Ia-91T-like
Redshift: 0.071000
MW E(B-V): 0.040

Host

Name: 2021abab
Right ascension: 23h37m45.97s
Declination: 21d28m11.69s
Redshift: 0.071160
Photometric Redshift: 0.053
 

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 2.76
Cutout download processed 17.74
Global aperture construction processed 0.64
Local aperture photometry processed 7.33
Global aperture photometry processed 7.79
Validate local photometry processed 0.03
Validate global photometry processed 20.57
Host information processed 0.09
Global host SED inference processed 433.12
Local host SED inference processed 437.98
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 23h37m45.90s, 21d28m14.23s
semi major axis, semi minor axis (arcsec) = 1.48, 1.48
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 80.14 2.36 19.140 0.032 AB
DES_g 79.3 0.42 19.152 0.006 AB
PanSTARRS_g 93.9 0.37 18.968 0.004 AB
SDSS_r 147.45 3.23 18.478 0.024 AB
PanSTARRS_r 160.9 0.48 18.384 0.003 AB
DES_r 156.72 1.03 18.412 0.007 AB
SDSS_i 213.84 3.96 18.075 0.020 AB
PanSTARRS_i 239.46 0.59 17.952 0.003 AB
PanSTARRS_z 282.92 1.13 17.771 0.004 AB
SDSS_z 265.66 6.26 17.839 0.026 AB
DES_z 262.88 2.82 17.851 0.012 AB
PanSTARRS_y 355.94 2.32 17.522 0.007 AB

Aperture details

RA, DEC (J2000) = 23h37m45.96s, 21d28m11.65s
semi major axis, semi minor axis (arcsec) = 11.5, 10.48
angle (degrees, anti-clockwise from east) = -115.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 70.68 8.9 19.277 0.137 AB
SDSS_u 313.21 9.67 17.660 0.034 AB
SDSS_g 1209.25 9.49 16.194 0.009 AB
DES_g 1339.0 1.83 16.083 0.001 AB
PanSTARRS_r 2378.99 3.14 15.459 0.001 AB
DES_r 2642.83 4.4 15.345 0.002 AB
SDSS_i 3418.72 17.39 15.065 0.006 AB
PanSTARRS_z 4136.62 7.99 14.858 0.002 AB
SDSS_z 4429.46 38.55 14.784 0.009 AB
PanSTARRS_y 4992.76 16.98 14.654 0.004 AB
2MASS_J 6243.6 258.88 13.517 0.045 Vega
2MASS_H 7276.08 430.79 12.878 0.064 Vega
2MASS_K 7829.55 419.16 12.328 0.058 Vega
WISE_W1 3602.79 41.41 12.309 0.012 Vega
WISE_W3 8126.22 218.39 8.951 0.029 Vega
WISE_W4 11957.47 1178.37 7.086 0.107 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})\, 9.739 9.892 10.007
{\rm log}_{10}({\rm SFR}) -0.784 -0.252 0.252
{\rm log}_{10}({\rm sSFR}) -10.689 -10.158 -9.528
{\rm stellar\ age} 6.048 7.601 10.316

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.310 -0.845 -0.467
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.200 -0.538 -0.076

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.382 0.839 1.149
\delta -0.463 -0.128 0.185
\tau_1/\tau_2 0.644 1.035 1.420
Q_{PAH} 0.460 1.961 4.070
U_{min} 2.641 7.908 15.023
{\rm log}_{10}(\gamma_e)\, -3.281 -1.907 -0.788

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.683 -1.471 -0.511
{\rm log}_{10}(\tau_{AGN})\, 0.949 1.379 1.858

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.640 -0.290 0.021
0.03-0.10 Gyr -1.012 -0.268 0.335
0.10-0.33 Gyr -1.475 -0.549 0.022
0.33-1.07 Gyr -1.676 -0.638 -0.072
1.07-3.52 Gyr -1.582 -0.427 -0.007
3.52-11.53 Gyr -0.531 -0.045 0.158
11.53-12.81 Gyr -0.454 0.219 0.930

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.979 11.023 11.072
{\rm log}_{10}({\rm SFR}) -0.010 0.349 0.740
{\rm log}_{10}({\rm sSFR}) -11.034 -10.663 -10.274
{\rm stellar\ age} 7.163 7.824 9.435

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.506 -0.286 -0.139
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.491 -0.160 0.256

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.094 0.194 0.341
\delta -0.615 -0.193 0.123
\tau_1/\tau_2 0.716 1.117 1.517
Q_{PAH} 1.222 2.882 4.728
U_{min} 2.293 7.416 14.702
{\rm log}_{10}(\gamma_e)\, -2.758 -1.619 -0.758

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.595 -1.460 -1.011
{\rm log}_{10}(\tau_{AGN})\, 1.377 1.729 2.003

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.047 0.282 0.551
0.03-0.10 Gyr -0.281 0.332 0.838
0.10-0.33 Gyr -0.327 0.328 0.751
0.33-1.07 Gyr -0.176 0.334 0.625
1.07-3.52 Gyr 0.109 0.649 0.989
3.52-11.53 Gyr 0.975 1.188 1.283
11.53-12.81 Gyr 0.933 1.365 1.888