2020sdy

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Information

Transient

Name: 2020sdy
Right ascension: 2h57m50.72s
Declination: 42d15m42.09s
Discovery Date: None
Classification: None
Redshift: 0.035000
MW E(B-V): 0.099

Host

Name: 2020sdy
Right ascension: 2h57m49.32s
Declination: 42d15m51.68s
Redshift: 0.032726
Photometric Redshift: 0.035
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.24
Cutout download processed 13.45
Global aperture construction processed 0.61
Local aperture photometry processed 4.67
Global aperture photometry processed 4.85
Validate local photometry processed 0.02
Validate global photometry processed 17.48
Host information processed 0.08
Global host SED inference processed 454.02
Local host SED inference processed 498.3
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
Log transient processing status processed 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) = 2h57m50.72s, 42d15m42.09s
semi major axis, semi minor axis (arcsec) = 3.06, 3.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 0.35 1.8 25.030 5.529
SDSS_g 10.52 1.15 21.345 0.119
PanSTARRS_g 12.19 0.83 21.185 0.074
SDSS_r 18.32 1.7 20.743 0.101
PanSTARRS_r 19.94 1.08 20.650 0.059
SDSS_i 20.07 2.29 20.644 0.124
PanSTARRS_i 19.74 0.99 20.662 0.055
PanSTARRS_z 24.71 2.62 20.418 0.115
SDSS_z 26.49 7.52 20.342 0.308
PanSTARRS_y 41.39 5.6 19.858 0.147
2MASS_J 43.55 67.63 18.908 1.686
2MASS_H 81.92 114.98 17.749 1.524
2MASS_K 173.32 121.29 16.465 0.760

Aperture details

RA, DEC (J2000) = 2h57m49.29s, 42d15m51.52s
semi major axis, semi minor axis (arcsec) = 16.31, 12.46
angle (degrees, anti-clockwise from east) = -125.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 125.13 11.33 18.657 0.098
GALEX_NUV 184.86 9.31 18.233 0.055
SDSS_u 419.64 9.83 17.343 0.025
SDSS_g 1617.39 11.02 15.878 0.007
PanSTARRS_g 1730.07 3.94 15.805 0.002
SDSS_r 2618.37 14.52 15.355 0.006
PanSTARRS_r 2791.45 5.08 15.285 0.002
SDSS_i 3601.24 17.92 15.009 0.005
PanSTARRS_i 3557.83 4.55 15.022 0.001
PanSTARRS_z 4089.25 12.27 14.871 0.003
SDSS_z 4377.7 38.12 14.797 0.009
PanSTARRS_y 4983.83 25.79 14.656 0.006
2MASS_J 5875.14 350.82 13.583 0.065
2MASS_H 6454.45 591.79 13.008 0.100
2MASS_K 3936.04 627.85 13.075 0.173
WISE_W1 3427.15 54.54 12.364 0.017
WISE_W2 2285.72 56.36 12.163 0.027
WISE_W3 14578.49 224.27 8.317 0.017
WISE_W4 17430.62 1770.45 6.677 0.110
 

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})\, 7.516 7.890 8.113
{\rm log}_{10}({\rm SFR}) -1.756 -1.345 -0.909
{\rm log}_{10}({\rm sSFR}) -9.774 -9.246 -8.490
{\rm stellar\ age} 1.772 5.751 7.537

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.594 -0.725 -0.125
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.369 -0.285 0.115

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.446 0.829 1.299
\delta -0.352 -0.066 0.154
\tau_1/\tau_2 0.683 1.048 1.436
Q_{PAH} 0.672 2.295 5.216
U_{min} 2.970 7.962 14.836
{\rm log}_{10}(\gamma_e)\, -2.948 -1.936 -0.859

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.946 -1.863 -0.358
{\rm log}_{10}(\tau_{AGN})\, 1.040 1.459 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.623 -1.222 -0.903
0.03-0.10 Gyr -2.236 -1.463 -0.871
0.10-0.33 Gyr -2.857 -1.907 -1.361
0.33-1.09 Gyr -3.341 -2.137 -1.673
1.09-3.62 Gyr -3.390 -2.187 -1.794
3.62-11.99 Gyr -3.517 -2.189 -1.789
11.99-13.32 Gyr -3.578 -2.261 -1.595

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.249 10.320 10.398
{\rm log}_{10}({\rm SFR}) 0.149 0.343 0.523
{\rm log}_{10}({\rm sSFR}) -10.183 -9.984 -9.782
{\rm stellar\ age} 6.664 7.671 8.970

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.329 -1.014 -0.752
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.418 -0.958 -0.109

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.379 0.545 0.717
\delta 0.068 0.200 0.304
\tau_1/\tau_2 0.824 1.184 1.560
Q_{PAH} 0.887 1.611 2.762
U_{min} 2.545 7.197 13.841
{\rm log}_{10}(\gamma_e)\, -3.111 -2.143 -1.644

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.927 -2.190 -1.724
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.492 1.888

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.044 0.170 0.370
0.03-0.10 Gyr 0.156 0.403 0.618
0.10-0.33 Gyr -0.093 0.267 0.536
0.33-1.09 Gyr -0.326 0.066 0.366
1.09-3.62 Gyr -0.281 0.144 0.394
3.62-11.99 Gyr 0.240 0.431 0.562
11.99-13.32 Gyr 0.158 0.612 1.049