2025epg results

Information

Transient
Name:AT2025epg
Right ascension: 11h55m53.05s
Declination:11d31m30.84s
Discovery Date:Feb. 23, 2025, 9:53 a.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:2025epg
Right ascension: 11h55m53.45s
Declination:11d31m23.74s
Redshift:0.069135
Photometric Redshift:0.057
 

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 19.77
Transient MWEBV processed 0.05
Host match processed 1.9
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.09
Validate global photometry processed 16.95
Global host SED inference processed 412.8
Local aperture photometry processed 5.76
Validate local photometry processed 0.03
Local host SED inference processed 449.34
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h55m53.05s, 11d31m30.84s
semi major axis, semi minor axis (arcsec):1.51, 1.51
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 11.19 1.06 21.278 0.103 AB
DES_g 12.99 0.21 21.116 0.018 AB
PanSTARRS_g 13.63 0.37 21.064 0.029 AB
SDSS_r 26.23 1.51 20.353 0.063 AB
PanSTARRS_r 26.0 0.5 20.362 0.021 AB
DES_r 27.61 0.49 20.297 0.019 AB
SDSS_i 41.07 2.07 19.866 0.055 AB
PanSTARRS_i 31.81 0.7 20.143 0.024 AB
PanSTARRS_z 45.71 1.19 19.750 0.028 AB
SDSS_z 58.17 3.93 19.488 0.073 AB
DES_z 48.69 1.06 19.681 0.024 AB
PanSTARRS_y 61.72 2.14 19.424 0.038 AB

Aperture details

RA, DEC (J2000):11h55m53.42s, 11d31m24.00s
semi major axis, semi minor axis (arcsec):16.62, 14.81
angle (degrees, anti-clockwise from east):-113.09
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 28.62 5.37 20.258 0.204 AB
GALEX_NUV 48.85 6.12 19.678 0.136 AB
SDSS_u 302.3 13.4 17.699 0.048 AB
SDSS_g 1858.01 12.82 15.727 0.007 AB
DES_g 1979.92 2.47 15.658 0.001 AB
PanSTARRS_g 1888.98 3.79 15.709 0.002 AB
SDSS_r 4243.44 18.49 14.831 0.005 AB
PanSTARRS_r 3983.7 5.16 14.899 0.001 AB
DES_r 4592.41 6.07 14.745 0.001 AB
SDSS_i 6330.17 24.2 14.396 0.004 AB
PanSTARRS_i 5712.86 7.16 14.508 0.001 AB
PanSTARRS_z 7886.95 12.24 14.158 0.002 AB
SDSS_z 8119.44 42.06 14.126 0.006 AB
DES_z 8497.0 13.4 14.077 0.002 AB
PanSTARRS_y 9803.85 21.62 13.922 0.002 AB
2MASS_J 12814.84 476.12 12.736 0.040 Vega
2MASS_H 15153.09 637.52 12.081 0.046 Vega
2MASS_K 11736.67 851.07 11.888 0.079 Vega
WISE_W2 4072.79 65.77 11.536 0.018 Vega
WISE_W3 4491.34 214.96 9.595 0.052 Vega
WISE_W4 2374.94 1334.45 8.841 0.610 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.920 9.053 9.141
{\rm log}_{10}({\rm SFR}) -2.028 -1.224 -0.548
{\rm log}_{10}({\rm sSFR}) -11.091 -10.327 -9.540
{\rm stellar\ age} 4.476 6.718 8.086

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.013 -0.310 0.038
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.651 -0.440 0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.268 0.799 1.483
\delta -0.310 -0.035 0.232
\tau_1/\tau_2 0.664 1.010 1.379
Q_{PAH} 1.262 3.411 5.753
U_{min} 3.029 8.233 14.995
{\rm log}_{10}(\gamma_e)\, -2.927 -1.788 -0.599

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.717 -0.495 0.080
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.620 2.004

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.315 -1.355 -0.739
0.03-0.10 Gyr -2.155 -1.247 -0.496
0.10-0.33 Gyr -2.053 -1.177 -0.446
0.33-1.07 Gyr -2.156 -1.129 -0.578
1.07-3.52 Gyr -1.710 -0.972 -0.687
3.52-11.56 Gyr -1.486 -0.867 -0.688
11.56-12.84 Gyr -1.646 -0.885 -0.338

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.337 11.377 11.457
{\rm log}_{10}({\rm SFR}) -0.334 0.021 0.357
{\rm log}_{10}({\rm sSFR}) -11.730 -11.374 -11.006
{\rm stellar\ age} 7.716 8.828 11.679

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.343 -0.216 -0.112
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.635 -0.437 0.299

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.172 0.272 0.427
\delta -0.674 -0.324 -0.096
\tau_1/\tau_2 0.596 0.987 1.412
Q_{PAH} 0.717 1.765 3.691
U_{min} 2.811 7.912 15.463
{\rm log}_{10}(\gamma_e)\, -2.551 -1.780 -1.216

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.566 -3.826 -2.699
{\rm log}_{10}(\tau_{AGN})\, 1.079 1.584 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.518 -0.083 0.201
0.03-0.10 Gyr -0.517 0.043 0.451
0.10-0.33 Gyr -0.504 0.155 0.584
0.33-1.07 Gyr -0.643 0.100 0.573
1.07-3.52 Gyr -0.616 0.333 0.931
3.52-11.56 Gyr 0.637 1.496 1.623
11.56-12.84 Gyr 1.427 2.003 2.557