2021chb

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Information

Transient

Name: AT2021chb
Right ascension: 13h07m26.51s
Declination: -16d20m06.91s
Discovery Date: Feb. 6, 2021, 11:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.059

Host

Name: 2021chb
Right ascension: 13h07m26.51s
Declination: -16d20m07.06s
Redshift: 0.045738
Photometric Redshift: 0.091
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.24
Cutout download processed 3.64
Global aperture construction processed 0.56
Local aperture photometry processed 3.48
Global aperture photometry processed 3.48
Validate local photometry processed 0.02
Validate global photometry processed 9.3
Host information processed 0.13
Global host SED inference processed 398.84
Local host SED inference processed 525.63
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.05
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) = 13h07m26.51s, -16d20m06.91s
semi major axis, semi minor axis (arcsec) = 2.23, 2.23
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 271.0 0.67 17.818 0.003 AB
PanSTARRS_r 612.48 1.05 16.932 0.002 AB
PanSTARRS_i 905.87 0.87 16.507 0.001 AB
PanSTARRS_z 1177.97 1.8 16.222 0.002 AB
PanSTARRS_y 1302.43 3.99 16.113 0.003 AB

Aperture details

RA, DEC (J2000) = 13h07m26.63s, -16d20m05.73s
semi major axis, semi minor axis (arcsec) = 22.89, 9.45
angle (degrees, anti-clockwise from east) = -125.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 32.09 2.04 20.134 0.069 AB
GALEX_NUV 56.96 1.7 19.511 0.032 AB
PanSTARRS_g 1280.77 3.98 16.131 0.003 AB
PanSTARRS_i 3900.43 4.82 14.922 0.001 AB
PanSTARRS_z 4816.51 10.68 14.693 0.002 AB
PanSTARRS_y 5600.05 25.59 14.530 0.005 AB
2MASS_J 7547.8 376.21 13.311 0.054 Vega
2MASS_H 9789.93 458.6 12.555 0.051 Vega
2MASS_K 8442.33 689.69 12.246 0.089 Vega
WISE_W1 4829.76 43.5 11.991 0.010 Vega
WISE_W2 3282.03 50.9 11.771 0.017 Vega
WISE_W3 10211.49 193.65 8.703 0.021 Vega
WISE_W4 33950.67 1499.2 5.953 0.048 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})\, 9.986 10.127 10.263
{\rm log}_{10}({\rm SFR}) -4.602 -1.747 -0.733
{\rm log}_{10}({\rm sSFR}) -14.728 -11.845 -10.792
{\rm stellar\ age} 6.141 7.852 11.492

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.563 -1.122 -0.799
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.649 -0.888 0.073

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.528 0.737 0.953
\delta -0.862 -0.681 -0.311
\tau_1/\tau_2 0.560 1.030 1.448
Q_{PAH} 0.837 2.734 5.509
U_{min} 2.896 8.649 16.460
{\rm log}_{10}(\gamma_e)\, -3.376 -2.030 -0.679

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.700 -1.796 -0.819
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.491 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.792 -1.937 -0.917
0.03-0.10 Gyr -3.772 -1.442 -0.423
0.10-0.33 Gyr -4.207 -1.429 -0.392
0.33-1.09 Gyr -3.409 -1.288 -0.317
1.09-3.59 Gyr -2.330 -0.552 0.041
3.59-11.83 Gyr -1.252 -0.052 0.156
11.83-13.14 Gyr -0.844 0.130 1.061

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.676 10.771 10.877
{\rm log}_{10}({\rm SFR}) -0.665 0.164 0.533
{\rm log}_{10}({\rm sSFR}) -11.449 -10.605 -10.225
{\rm stellar\ age} 6.475 7.513 9.049

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.201 -0.726 -0.463
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.760 -1.305 0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.676 0.852 1.050
\delta -0.151 -0.011 0.147
\tau_1/\tau_2 0.659 0.999 1.371
Q_{PAH} 0.226 0.562 1.073
U_{min} 3.000 8.297 15.838
{\rm log}_{10}(\gamma_e)\, -3.257 -2.141 -1.573

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.102 -1.739 -1.401
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.374 1.711

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.851 -0.024 0.345
0.03-0.10 Gyr -0.390 0.162 0.536
0.10-0.33 Gyr -0.543 0.118 0.482
0.33-1.09 Gyr -0.796 0.095 0.473
1.09-3.59 Gyr -0.265 0.408 0.687
3.59-11.83 Gyr 0.368 0.656 0.816
11.83-13.14 Gyr -0.006 0.713 1.318