2021afsa

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Information

Transient

Name: AT2021afsa
Right ascension: 1h42m02.24s
Declination: -42d15m12.96s
Discovery Date: Nov. 27, 2021, 3:08 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name: 566263
Right ascension: 1h42m01.88s
Declination: -42d15m13.06s
Redshift: 0.059300
Photometric Redshift:
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 3.84
Cutout download processed 7.63
Global aperture construction processed 0.19
Local aperture photometry processed 1.05
Global aperture photometry processed 0.81
Validate local photometry no valid phot 0.01
Validate global photometry processed 1.11
Host information processed 0.16
Global host SED inference processed 610.38
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.05
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) = 1h42m02.24s, -42d15m12.96s
semi major axis, semi minor axis (arcsec) = 1.75, 1.75
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 1h42m01.85s, -42d15m13.34s
semi major axis, semi minor axis (arcsec) = 8.45, 7.78
angle (degrees, anti-clockwise from east) = -103.86

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.9 2.57 21.123 0.216 AB
GALEX_NUV 47.63 2.97 19.705 0.068 AB
2MASS_J 2915.79 195.38 14.343 0.073 Vega
2MASS_H 3624.15 247.49 13.634 0.074 Vega
2MASS_K 3498.6 301.58 13.202 0.094 Vega
WISE_W1 1609.27 23.75 13.184 0.016 Vega
WISE_W2 1103.1 25.54 12.954 0.025 Vega
WISE_W3 4230.96 92.01 9.660 0.024 Vega
WISE_W4 5501.97 719.9 7.929 0.142 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%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.246 10.470 10.661
{\rm log}_{10}({\rm SFR}) -0.324 0.209 0.649
{\rm log}_{10}({\rm sSFR}) -10.863 -10.222 -9.740
{\rm stellar\ age} 5.192 7.629 11.390

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.784 -0.204 0.079
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.584 -0.697 0.158

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.234 0.417 0.740
\delta -0.823 -0.464 -0.061
\tau_1/\tau_2 0.328 0.793 1.335
Q_{PAH} 0.364 1.259 3.034
U_{min} 2.199 6.682 13.485
{\rm log}_{10}(\gamma_e)\, -3.475 -2.516 -1.446

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.615 -1.972 -1.221
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.585 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.412 0.285 0.712
0.03-0.10 Gyr -0.990 -0.055 0.706
0.10-0.33 Gyr -1.553 -0.210 0.456
0.33-1.08 Gyr -2.150 -0.161 0.591
1.08-3.55 Gyr -1.503 0.103 0.593
3.55-11.67 Gyr -0.591 0.422 0.710
11.67-12.97 Gyr -0.189 0.729 1.712