2021kwi

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Information

Transient

Name: AT2021kwi
Right ascension: 0h14m54.84s
Declination: 26d19m57.65s
Discovery Date: May 2, 2021, 11:50 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 994
Right ascension: 0h14m54.89s
Declination: 26d19m52.96s
Redshift: 0.024544
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 3.78
Cutout download processed 45.24
Global aperture construction processed 0.66
Local aperture photometry processed 7.52
Global aperture photometry processed 6.5
Validate local photometry processed 0.02
Validate global photometry processed 16.84
Host information processed 0.14
Global host SED inference processed 382.12
Local host SED inference processed 522.66
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) = 0h14m54.84s, 26d19m57.65s
semi major axis, semi minor axis (arcsec) = 4.04, 4.04
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 214.99 5.32 18.069 0.027 AB
SDSS_g 666.31 6.86 16.841 0.011 AB
DES_g 683.98 1.84 16.812 0.003 AB
PanSTARRS_g 732.07 0.91 16.739 0.001 AB
SDSS_r 1121.23 8.96 16.276 0.009 AB
PanSTARRS_r 1180.41 1.09 16.220 0.001 AB
DES_r 1205.95 4.31 16.197 0.004 AB
SDSS_i 1446.05 10.48 16.000 0.008 AB
PanSTARRS_i 1550.67 1.36 15.924 0.001 AB
PanSTARRS_z 1823.45 2.9 15.748 0.002 AB
SDSS_z 1761.76 17.18 15.785 0.011 AB
DES_z 1793.25 10.95 15.766 0.007 AB
PanSTARRS_y 2167.63 6.68 15.560 0.003 AB
2MASS_J 2380.76 89.29 14.563 0.041 Vega
2MASS_H 2550.48 144.78 14.016 0.062 Vega
2MASS_K 2250.87 168.41 13.681 0.081 Vega

Aperture details

RA, DEC (J2000) = 0h14m54.86s, 26d19m53.12s
semi major axis, semi minor axis (arcsec) = 23.55, 18.29
angle (degrees, anti-clockwise from east) = -54.33

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 696.56 12.39 16.793 0.019 AB
SDSS_g 4302.75 18.76 14.816 0.005 AB
DES_g 4432.45 4.82 14.783 0.001 AB
PanSTARRS_g 4449.4 4.01 14.779 0.001 AB
SDSS_r 6501.27 23.87 14.368 0.004 AB
PanSTARRS_r 6617.9 4.71 14.348 0.001 AB
DES_r 7023.0 10.65 14.284 0.002 AB
SDSS_i 8129.29 29.62 14.125 0.004 AB
PanSTARRS_i 8255.95 6.14 14.108 0.001 AB
PanSTARRS_z 9174.44 14.34 13.994 0.002 AB
SDSS_z 9193.16 72.99 13.991 0.009 AB
DES_z 9756.32 26.05 13.927 0.003 AB
PanSTARRS_y 10788.55 33.84 13.818 0.003 AB
2MASS_J 12197.37 455.64 12.789 0.041 Vega
2MASS_H 14248.92 745.04 12.148 0.057 Vega
WISE_W1 6543.02 54.95 11.662 0.009 Vega
WISE_W2 4126.74 61.26 11.522 0.016 Vega
WISE_W3 22751.51 265.92 7.833 0.013 Vega
WISE_W4 24850.9 1794.54 6.292 0.078 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})\, 9.566 9.688 9.797
{\rm log}_{10}({\rm SFR}) -1.647 -0.589 0.112
{\rm log}_{10}({\rm sSFR}) -11.389 -10.312 -9.593
{\rm stellar\ age} 6.141 7.776 9.978

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.684 -1.103 -0.644
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.434 -0.062 0.307

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.647 0.894
\delta -0.582 -0.026 0.277
\tau_1/\tau_2 0.667 1.053 1.425
Q_{PAH} 0.622 2.284 5.110
U_{min} 2.675 7.883 15.185
{\rm log}_{10}(\gamma_e)\, -3.328 -2.310 -1.220

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.948 -1.955 -0.506
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.429 1.781

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.917 -1.008 -0.630
0.03-0.10 Gyr -1.712 -0.496 0.264
0.10-0.33 Gyr -1.691 -0.561 -0.041
0.33-1.10 Gyr -1.832 -0.780 -0.316
1.10-3.65 Gyr -1.586 -0.576 -0.172
3.65-12.09 Gyr -0.850 -0.240 -0.065
12.09-13.43 Gyr -0.821 -0.052 0.592

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.082 10.175 10.270
{\rm log}_{10}({\rm SFR}) 0.236 0.540 0.783
{\rm log}_{10}({\rm sSFR}) -9.976 -9.637 -9.355
{\rm stellar\ age} 5.141 6.535 7.712

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.938 -0.668 -0.493
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.673 0.080 0.323

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.269 0.429 0.622
\delta -0.295 -0.080 0.145
\tau_1/\tau_2 0.672 1.029 1.383
Q_{PAH} 0.979 1.741 2.824
U_{min} 2.167 6.289 12.801
{\rm log}_{10}(\gamma_e)\, -3.507 -2.411 -1.768

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.597 -2.561 -2.020
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.410 1.859

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.068 0.119 0.279
0.03-0.10 Gyr 0.285 0.649 0.916
0.10-0.33 Gyr 0.238 0.594 0.884
0.33-1.10 Gyr -0.092 0.241 0.494
1.10-3.65 Gyr -0.080 0.228 0.444
3.65-12.09 Gyr -0.059 0.215 0.385
12.09-13.43 Gyr -0.299 0.243 0.693