2021ssu

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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
 

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
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 2.4
Cutout download processed 18.79
Global aperture construction processed 0.67
Local aperture photometry processed 7.35
Global aperture photometry processed 7.7
Validate local photometry processed 0.03
Validate global photometry processed 20.49
Host information processed 0.08
Global host SED inference processed 421.53
Local host SED inference processed 527.13
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed 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) = 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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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