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

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
failed
 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 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
Processing status blocked 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) = 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 (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g -0.74 0.51 AB
PanSTARRS_r -1.11 0.6 AB
PanSTARRS_i -4.56 0.95 AB
PanSTARRS_z -7.95 2.01 AB
PanSTARRS_y -10.47 4.19 AB

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

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
log10(M∗/M⊙) {\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.018 9.153 9.266
log10(SFR){\rm log}_{10}({\rm SFR}) -1.826 -1.205 -0.567
log10(sSFR){\rm log}_{10}({\rm sSFR}) -10.983 -10.318 -9.684
stellar age{\rm stellar\ age} 5.912 7.715 10.790

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z∗/Z⊙){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.799 -1.412 -0.815
log10(Zgas/Z⊙) {\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.722 -0.478 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
Ï„2\tau_2 0.314 0.703 1.026
δ\delta -0.462 -0.047 0.252
Ï„1/Ï„2\tau_1/\tau_2 0.596 0.987 1.418
QPAHQ_{PAH} 1.296 3.445 5.424
UminU_{min} 3.187 8.618 16.376
log10(γe) {\rm log}_{10}(\gamma_e)\, -2.907 -1.685 -0.480

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN) {\rm log}_{10}(f_{AGN})\, -3.304 -1.264 -0.358
log10(τAGN) {\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