2020qaf

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Information

Transient

Name: AT2020qaf
Right ascension: 18h31m59.73s
Declination: 7d43m47.61s
Discovery Date: July 20, 2020, 7:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.278

Host

Name: 2020qaf
Right ascension: 18h31m59.35s
Declination: 7d43m52.74s
Redshift: None
Photometric Redshift: 0.056
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 11.66
Cutout download processed 2.19
Global aperture construction processed 0.73
Local aperture photometry processed 3.61
Global aperture photometry processed 3.63
Validate local photometry processed 0.02
Validate global photometry processed 11.01
Host information processed 0.08
Global host SED inference processed 517.65
Local host SED inference failed 0.01
Transient information processed 0.0
Transient MWEBV processed 0.13
Host MWEBV processed 0.1
Log transient processing status blocked 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) = 18h31m59.73s, 7d43m47.61s
semi major axis, semi minor axis (arcsec) = 1.84, 1.84
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g -0.74 0.51
PanSTARRS_r -1.11 0.6
PanSTARRS_i -4.56 0.95
PanSTARRS_z -7.95 2.01
PanSTARRS_y -10.47 4.19

Aperture details

RA, DEC (J2000) = 18h31m59.34s, 7d43m52.78s
semi major axis, semi minor axis (arcsec) = 2.0, 1.85
angle (degrees, anti-clockwise from east) = -130.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g 12.96 0.54 21.118 0.045
PanSTARRS_r 29.15 0.61 20.238 0.023
PanSTARRS_i 48.51 0.91 19.685 0.020
PanSTARRS_z 57.59 1.83 19.499 0.035
PanSTARRS_y 60.39 3.77 19.448 0.068
2MASS_J 47.49 106.26 18.813 2.429
2MASS_H -72.09 159.13
2MASS_K -150.38 159.51
WISE_W1 1.78 71.59 20.576 43.728
WISE_W2 -38.69 53.63
WISE_W3 77.19 73.08 14.007 1.028
WISE_W4 114.47 468.07 12.133 4.440
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.018 9.153 9.266
{\rm log}_{10}({\rm SFR}) -1.826 -1.205 -0.567
{\rm log}_{10}({\rm sSFR}) -10.983 -10.318 -9.684
{\rm stellar\ age} 5.912 7.715 10.790

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.799 -1.412 -0.815
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.722 -0.478 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.314 0.703 1.026
\delta -0.462 -0.047 0.252
\tau_1/\tau_2 0.596 0.987 1.418
Q_{PAH} 1.296 3.445 5.424
U_{min} 3.187 8.618 16.376
{\rm log}_{10}(\gamma_e)\, -2.907 -1.685 -0.480

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.304 -1.264 -0.358
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.417 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.039 -1.271 -0.819
0.03-0.10 Gyr -2.164 -1.262 -0.487
0.10-0.33 Gyr -2.741 -1.427 -0.826
0.33-1.08 Gyr -3.099 -1.504 -0.842
1.08-3.56 Gyr -2.575 -1.169 -0.712
3.56-11.71 Gyr -1.673 -0.792 -0.585
11.71-13.01 Gyr -1.321 -0.528 0.248