2023ems results

Information

Transient
Name:AT2023ems
Right ascension: 8h28m10.05s
Declination:79d34m21.31s
Discovery Date:March 28, 2023, 4:29 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:J082809.84+793421.12
Object ID:9907742298279204
Catalog Name:decals
Catalog Release:dr9
Right ascension: 8h28m09.84s
Declination:79d34m21.12s
Redshift:None
Photometric Redshift:0.056
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.45
Transient MWEBV processed 0.12
Host match processed 5.37
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 3.7
Validate global photometry processed 11.11
Global host SED inference processed 530.64
Local aperture photometry processed 3.57
Validate local photometry processed 0.02
Local host SED inference processed 549.86
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h28m10.05s, 79d34m21.31s
semi major axis, semi minor axis (arcsec):1.84, 1.84
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 274.73 0.67 17.803 0.003 AB
PanSTARRS_r 541.07 1.09 17.067 0.002 AB
PanSTARRS_i 766.79 0.79 16.688 0.001 AB
PanSTARRS_z 902.55 2.01 16.511 0.002 AB
PanSTARRS_y 935.44 5.06 16.472 0.006 AB

Aperture details

RA, DEC (J2000):8h28m09.78s, 79d34m21.31s
semi major axis, semi minor axis (arcsec):7.24, 4.34
angle (degrees, anti-clockwise from east):-21.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.95 1.68 22.410 0.461 AB
GALEX_NUV 5.93 0.61 21.968 0.112 AB
PanSTARRS_g 556.11 1.73 17.037 0.003 AB
PanSTARRS_r 1053.39 2.99 16.344 0.003 AB
PanSTARRS_i 1451.79 2.22 15.995 0.002 AB
PanSTARRS_z 1742.54 5.77 15.797 0.004 AB
PanSTARRS_y 1966.49 15.06 15.666 0.008 AB
2MASS_J 2314.17 132.13 14.594 0.062 Vega
2MASS_H 3342.55 234.64 13.722 0.076 Vega
2MASS_K 2820.15 227.38 13.437 0.088 Vega
WISE_W1 1086.33 15.94 13.611 0.016 Vega
WISE_W2 644.8 17.6 13.537 0.030 Vega
WISE_W3 28.33 50.76 15.095 1.946 Vega
WISE_W4 -285.1 354.77 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.086 10.187 10.303
{\rm log}_{10}({\rm SFR}) -3.871 -1.442 -0.573
{\rm log}_{10}({\rm sSFR}) -14.088 -11.670 -10.756
{\rm stellar\ age} 7.309 8.724 12.297

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.784 -1.491 -1.156
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.862 -1.374 -0.210

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.357 0.501 0.680
\delta -0.848 -0.607 -0.247
\tau_1/\tau_2 0.573 0.966 1.405
Q_{PAH} 0.676 2.093 4.654
U_{min} 3.114 8.886 16.603
{\rm log}_{10}(\gamma_e)\, -3.274 -2.121 -0.842

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.933 -1.922 -0.722
{\rm log}_{10}(\tau_{AGN})\, 0.985 1.495 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.501 -1.559 -0.701
0.03-0.10 Gyr -4.908 -1.688 -0.555
0.10-0.33 Gyr -4.967 -1.698 -0.488
0.33-1.08 Gyr -4.673 -1.617 -0.446
1.08-3.56 Gyr -3.783 -1.197 0.058
3.56-11.71 Gyr -1.814 0.171 0.427
11.71-13.01 Gyr -0.222 0.777 1.431

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.416 10.536 10.599
{\rm log}_{10}({\rm SFR}) -7.221 -3.533 -1.796
{\rm log}_{10}({\rm sSFR}) -18.030 -14.158 -12.347
{\rm stellar\ age} 7.661 11.838 12.354

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.344 -1.078 -0.855
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.523 -0.716 0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.281 0.396
\delta -0.748 -0.461 -0.219
\tau_1/\tau_2 0.467 0.925 1.427
Q_{PAH} 1.368 3.725 5.919
U_{min} 3.272 9.899 17.778
{\rm log}_{10}(\gamma_e)\, -3.233 -2.164 -0.704

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.078 -2.919 -2.018
{\rm log}_{10}(\tau_{AGN})\, 1.024 1.497 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -8.361 -4.227 -1.956
0.03-0.10 Gyr -8.111 -4.315 -1.879
0.10-0.33 Gyr -7.729 -4.408 -2.015
0.33-1.08 Gyr -6.991 -4.082 -1.602
1.08-3.56 Gyr -4.704 -2.666 -0.708
3.56-11.71 Gyr -2.345 -0.162 0.732
11.71-13.01 Gyr -0.142 1.650 1.739