2021ssu results

Information

Transient
Name:AT2021ssu
Right ascension: 1h19m51.59s
Declination:10d33m20.38s
Discovery Date:July 8, 2021, 2:18 p.m.
Classification:None
Redshift:None
MW E(B-V):0.063
Host
Name:2021ssu
Right ascension: 1h19m51.59s
Declination:10d33m20.85s
Redshift:0.033223
Photometric Redshift:0.022
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.79
Transient MWEBV processed 0.04
Host match processed 2.4
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 7.7
Validate global photometry processed 20.49
Global host SED inference processed 421.53
Local aperture photometry processed 7.35
Validate local photometry processed 0.03
Local host SED inference processed 527.13
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h19m51.59s, 10d33m20.38s
semi major axis, semi minor axis (arcsec):3.02, 3.02
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 186.51 4.82 18.223 0.028 AB
SDSS_g 373.42 5.1 17.470 0.015 AB
DES_g 358.62 1.11 17.513 0.003 AB
PanSTARRS_g 362.79 0.89 17.501 0.003 AB
SDSS_r 380.78 5.36 17.448 0.015 AB
PanSTARRS_r 449.98 0.94 17.267 0.002 AB
DES_r 437.87 2.48 17.297 0.006 AB
SDSS_i 437.05 6.06 17.299 0.015 AB
PanSTARRS_i 448.64 1.06 17.270 0.003 AB
PanSTARRS_z 476.3 1.8 17.205 0.004 AB
SDSS_z 479.63 11.33 17.198 0.026 AB
DES_z 462.88 3.86 17.236 0.009 AB
PanSTARRS_y 545.56 4.62 17.058 0.009 AB
2MASS_J 500.08 69.39 16.257 0.151 Vega
2MASS_H 403.77 105.26 16.017 0.283 Vega
2MASS_K 508.33 122.01 15.297 0.261 Vega

Aperture details

RA, DEC (J2000):1h19m51.56s, 10d33m19.25s
semi major axis, semi minor axis (arcsec):12.0, 3.87
angle (degrees, anti-clockwise from east):-167.28
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 125.96 8.25 18.649 0.071 AB
GALEX_NUV 159.57 5.32 18.393 0.036 AB
SDSS_u 320.54 8.91 17.635 0.030 AB
SDSS_g 650.07 6.94 16.868 0.012 AB
DES_g 602.83 1.47 16.950 0.003 AB
PanSTARRS_g 623.54 1.85 16.913 0.003 AB
SDSS_r 713.15 8.0 16.767 0.012 AB
PanSTARRS_r 796.23 1.95 16.647 0.003 AB
DES_r 763.65 3.34 16.693 0.005 AB
SDSS_i 832.17 9.7 16.599 0.013 AB
PanSTARRS_i 826.66 2.26 16.607 0.003 AB
PanSTARRS_z 887.63 3.91 16.529 0.005 AB
SDSS_z 972.6 23.62 16.430 0.026 AB
DES_z 858.83 5.35 16.565 0.007 AB
PanSTARRS_y 1000.38 10.26 16.400 0.011 AB
2MASS_J 956.58 172.98 15.553 0.196 Vega
2MASS_H 872.06 261.14 15.181 0.325 Vega
2MASS_K 1206.21 305.02 14.359 0.275 Vega
WISE_W1 437.41 18.94 14.599 0.047 Vega
WISE_W2 300.54 22.59 14.366 0.082 Vega
WISE_W3 1004.0 105.69 11.222 0.114 Vega
WISE_W4 5652.46 861.45 7.899 0.165 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.577 8.899 9.092
{\rm log}_{10}({\rm SFR}) -0.057 0.428 0.805
{\rm log}_{10}({\rm sSFR}) -9.051 -8.376 -7.919
{\rm stellar\ age} 0.080 1.843 5.787

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.795 -1.445 -0.900
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.760 -0.294 0.282

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.216 0.531 0.905
\delta -0.431 -0.057 0.180
\tau_1/\tau_2 0.542 1.030 1.502
Q_{PAH} 0.871 2.005 3.792
U_{min} 3.289 9.935 17.959
{\rm log}_{10}(\gamma_e)\, -3.440 -2.327 -1.037

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.370 -3.334 -1.373
{\rm log}_{10}(\tau_{AGN})\, 0.881 1.455 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.866 -0.596 -0.311
0.03-0.10 Gyr 0.070 0.579 0.961
0.10-0.33 Gyr -2.667 -0.716 0.146
0.33-1.09 Gyr -4.843 -1.892 -0.608
1.09-3.62 Gyr -5.729 -2.009 -0.801
3.62-11.98 Gyr -6.600 -2.502 -1.043
11.98-13.31 Gyr -6.574 -2.390 -0.809

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.644 8.912 9.191
{\rm log}_{10}({\rm SFR}) 0.262 0.526 0.733
{\rm log}_{10}({\rm sSFR}) -8.873 -8.419 -7.935
{\rm stellar\ age} 0.155 2.415 5.999

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.203 -0.900 -0.662
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.688 0.256 0.429

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.265 0.460
\delta -0.746 -0.407 -0.163
\tau_1/\tau_2 0.448 0.964 1.481
Q_{PAH} 0.182 0.544 1.175
U_{min} 2.918 8.217 15.458
{\rm log}_{10}(\gamma_e)\, -3.677 -3.071 -2.175

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.646 -2.561 -2.068
{\rm log}_{10}(\tau_{AGN})\, 0.897 1.268 1.709

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.199 -0.725 -0.415
0.03-0.10 Gyr 0.411 0.681 0.891
0.10-0.33 Gyr -2.786 -0.709 0.237
0.33-1.09 Gyr -4.077 -1.420 -0.550
1.09-3.62 Gyr -5.015 -1.718 -0.754
3.62-11.98 Gyr -5.105 -1.834 -0.907
11.98-13.31 Gyr -5.338 -1.743 -0.675