2021zw

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Information

Transient

Name: 2021zw
Right ascension: 12h44m32.96s
Declination: 26d47m42.22s
Discovery Date: None
Classification: Ia
Redshift: 0.083525
MW E(B-V): 0.011

Host

Name: 2021zw
Right ascension: 12h44m32.94s
Declination: 26d47m43.32s
Redshift: None
Photometric Redshift: 0.156
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.08
Cutout download processed 19.89
Global aperture construction processed 0.57
Local aperture photometry processed 6.02
Global aperture photometry processed 6.06
Validate local photometry processed 0.03
Validate global photometry processed 17.14
Host information processed 0.09
Global host SED inference processed 457.79
Local host SED inference processed 455.25
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Log transient processing status processed None
 

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) = 12h44m32.96s, 26d47m42.22s
semi major axis, semi minor axis (arcsec) = 1.28, 1.28
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
DES_g 18.78 0.32 20.716 0.018
PanSTARRS_r 31.2 0.39 20.165 0.013
DES_r 37.56 0.57 19.963 0.016
SDSS_i 43.4 2.0 19.806 0.050
PanSTARRS_i 39.54 0.34 19.907 0.009
PanSTARRS_z 48.79 0.66 19.679 0.015
DES_z 54.77 1.32 19.554 0.026
PanSTARRS_y 50.83 1.47 19.635 0.031

Aperture details

RA, DEC (J2000) = 12h44m32.93s, 26d47m43.70s
semi major axis, semi minor axis (arcsec) = 8.96, 4.51
angle (degrees, anti-clockwise from east) = -43.47

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 18.82 4.27 20.713 0.246
GALEX_NUV 13.0 3.11 21.115 0.260
SDSS_u -6.13 5.86
SDSS_g 128.93 3.48 18.624 0.029
DES_g 123.02 0.89 18.675 0.008
PanSTARRS_g 117.1 1.5 18.729 0.014
SDSS_r 196.55 4.64 18.166 0.026
PanSTARRS_r 195.87 1.85 18.170 0.010
DES_r 219.36 1.55 18.047 0.008
SDSS_i 241.08 6.68 17.945 0.030
PanSTARRS_i 252.6 1.58 17.894 0.007
PanSTARRS_z 301.57 3.13 17.702 0.011
SDSS_z 315.77 19.84 17.652 0.068
DES_z 316.72 3.37 17.648 0.012
PanSTARRS_y 338.35 6.93 17.577 0.022
2MASS_J 381.72 180.78 16.551 0.514
2MASS_H 538.14 278.94 15.705 0.563
2MASS_K 85.65 263.55 17.230 3.341
WISE_W1 177.84 12.7 15.576 0.078
WISE_W2 69.25 16.67 15.960 0.261
WISE_W3 76.37 92.58 14.019 1.316
WISE_W4 1457.15 646.38 9.371 0.482
 

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})\, 9.011 9.111 9.217
{\rm log}_{10}({\rm SFR}) -2.234 -1.504 -0.835
{\rm log}_{10}({\rm sSFR}) -11.352 -10.649 -9.994
{\rm stellar\ age} 5.024 6.610 7.817

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.398 -0.717 -0.300
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.635 -0.690 0.200

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.100 0.345 0.794
\delta -0.537 -0.079 0.245
\tau_1/\tau_2 0.683 1.033 1.360
Q_{PAH} 1.325 3.394 5.735
U_{min} 3.093 8.318 15.252
{\rm log}_{10}(\gamma_e)\, -2.831 -1.602 -0.517

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.077 -0.248 0.128
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.514 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.471 -1.694 -1.143
0.03-0.10 Gyr -2.402 -1.510 -0.734
0.10-0.33 Gyr -2.087 -1.265 -0.634
0.33-1.07 Gyr -1.629 -0.969 -0.517
1.07-3.49 Gyr -1.325 -0.827 -0.579
3.49-11.39 Gyr -1.149 -0.796 -0.610
11.39-12.66 Gyr -1.387 -0.795 -0.288

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.855 9.918 10.022
{\rm log}_{10}({\rm SFR}) -0.798 -0.435 -0.108
{\rm log}_{10}({\rm sSFR}) -10.722 -10.368 -10.040
{\rm stellar\ age} 6.389 7.216 8.716

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.304 -0.871 -0.541
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.432 0.070 0.386

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.101 0.262 0.442
\delta -0.182 0.108 0.301
\tau_1/\tau_2 0.694 1.035 1.381
Q_{PAH} 1.463 3.616 5.660
U_{min} 2.942 8.477 15.853
{\rm log}_{10}(\gamma_e)\, -1.758 -0.793 -0.202

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.101 -2.857 -1.683
{\rm log}_{10}(\tau_{AGN})\, 1.139 1.704 2.023

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.797 -1.053 -0.796
0.03-0.10 Gyr -0.750 -0.318 0.044
0.10-0.33 Gyr -0.586 -0.247 0.017
0.33-1.07 Gyr -0.747 -0.350 -0.105
1.07-3.49 Gyr -0.629 -0.168 0.058
3.49-11.39 Gyr -0.166 0.054 0.183
11.39-12.66 Gyr -0.281 0.191 0.742