2021ssh

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Information

Transient

Name: AT2021ssh
Right ascension: 20h09m19.57s
Declination: -2d13m47.07s
Discovery Date: June 7, 2021, 12:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.162

Host

Name: 2021ssh
Right ascension: 20h09m19.48s
Declination: -2d13m49.42s
Redshift: None
Photometric Redshift: 0.124
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 4.22
Cutout download processed 2.46
Global aperture construction processed 0.65
Local aperture photometry processed 3.51
Global aperture photometry processed 3.95
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.14
Host information processed 0.09
Global host SED inference processed 641.14
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.13
Host MWEBV processed 0.13
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) = 20h09m19.57s, -2d13m47.07s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 20h09m19.50s, -2d13m48.80s
semi major axis, semi minor axis (arcsec) = 9.28, 4.43
angle (degrees, anti-clockwise from east) = -143.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
PanSTARRS_g 115.06 1.52 18.748 0.014
PanSTARRS_r 163.48 1.81 18.366 0.012
PanSTARRS_i 232.26 1.68 17.985 0.008
PanSTARRS_z 261.56 4.49 17.856 0.019
PanSTARRS_y 220.29 11.99 18.043 0.059
2MASS_J 459.81 185.62 16.349 0.438
2MASS_H 663.6 299.6 15.478 0.490
2MASS_K 387.13 351.64 15.593 0.986
WISE_W1 152.56 56.05 15.742 0.399
WISE_W2 98.08 34.4 15.582 0.381
WISE_W3 222.08 101.17 12.860 0.495
WISE_W4 1126.46 709.94 9.651 0.684
 

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})\, 9.731 9.922 10.122
{\rm log}_{10}({\rm SFR}) -0.660 0.181 1.107
{\rm log}_{10}({\rm sSFR}) -10.616 -9.787 -8.716
{\rm stellar\ age} 0.522 1.961 5.176

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.772 -1.293 -0.694
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.746 -0.815 0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.460 0.855
\delta -0.615 -0.146 0.213
\tau_1/\tau_2 0.435 0.902 1.379
Q_{PAH} 0.668 2.591 4.939
U_{min} 2.942 8.499 16.365
{\rm log}_{10}(\gamma_e)\, -3.290 -2.139 -0.889

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.807 -1.811 -0.924
{\rm log}_{10}(\tau_{AGN})\, 0.876 1.269 1.794

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.773 -0.076 0.312
0.03-0.10 Gyr -1.609 0.199 1.253
0.10-0.32 Gyr -0.892 0.707 1.329
0.32-1.05 Gyr -1.051 0.555 1.071
1.05-3.39 Gyr -2.812 -0.402 0.367
3.39-10.95 Gyr -3.869 -1.052 0.002
10.95-12.17 Gyr -4.327 -1.038 0.183