2025epa results

Information

Transient
Name:AT2025epa
Right ascension: 12h00m09.11s
Declination:38d02m41.74s
Discovery Date:March 11, 2025, 8:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.013
Host
Name:2025epa
Right ascension: 12h00m09.62s
Declination:38d02m41.89s
Redshift:0.064535
Photometric Redshift:0.058
 

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_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.97
Transient MWEBV processed 0.13
Host match processed 1.73
Host information processed 0.09
Host MWEBV processed 0.06
Global aperture construction processed 0.58
Global aperture photometry processed 5.23
Validate global photometry processed 15.75
Global host SED inference processed 401.93
Local aperture photometry processed 5.15
Validate local photometry processed 0.03
Local host SED inference processed 414.64
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h00m09.11s, 38d02m41.74s
semi major axis, semi minor axis (arcsec):1.61, 1.61
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 10.06 1.34 21.393 0.145 AB
SDSS_g 34.89 1.59 20.043 0.049 AB
DES_g 34.7 0.44 20.049 0.014 AB
PanSTARRS_g 34.85 0.4 20.044 0.013 AB
SDSS_r 59.82 2.11 19.458 0.038 AB
PanSTARRS_r 56.88 0.73 19.513 0.014 AB
SDSS_i 77.69 2.54 19.174 0.035 AB
PanSTARRS_i 79.66 0.62 19.147 0.008 AB
PanSTARRS_z 90.03 1.11 19.014 0.013 AB
SDSS_z 97.31 4.52 18.930 0.050 AB
DES_z 97.34 1.24 18.929 0.014 AB
PanSTARRS_y 103.88 2.04 18.859 0.021 AB

Aperture details

RA, DEC (J2000):12h00m09.62s, 38d02m42.02s
semi major axis, semi minor axis (arcsec):22.46, 10.0
angle (degrees, anti-clockwise from east):-78.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 101.31 10.39 18.886 0.111 AB
GALEX_NUV 138.32 8.08 18.548 0.063 AB
SDSS_u 264.1 11.2 17.846 0.046 AB
SDSS_g 958.19 9.04 16.446 0.010 AB
DES_g 1018.57 2.42 16.380 0.003 AB
PanSTARRS_g 1018.37 3.62 16.380 0.004 AB
SDSS_r 1709.82 12.42 15.818 0.008 AB
PanSTARRS_r 1654.82 6.52 15.853 0.004 AB
SDSS_i 2256.4 16.25 15.516 0.008 AB
PanSTARRS_i 2243.8 5.55 15.523 0.003 AB
PanSTARRS_z 2463.54 10.02 15.421 0.004 AB
SDSS_z 2845.06 37.95 15.265 0.014 AB
DES_z 2611.32 6.95 15.358 0.003 AB
PanSTARRS_y 2961.6 18.41 15.221 0.007 AB
2MASS_J 3102.23 330.59 14.276 0.116 Vega
2MASS_H 4133.04 588.55 13.492 0.155 Vega
2MASS_K 3753.8 569.78 13.126 0.165 Vega
WISE_W1 2058.17 40.33 12.917 0.021 Vega
WISE_W2 1279.99 47.48 12.793 0.040 Vega
WISE_W3 4129.55 211.42 9.686 0.056 Vega
WISE_W4 5219.47 1188.19 7.986 0.247 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.053 9.191 9.324
{\rm log}_{10}({\rm SFR}) -1.840 -1.229 -0.628
{\rm log}_{10}({\rm sSFR}) -11.066 -10.448 -9.793
{\rm stellar\ age} 4.373 6.578 8.041

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.633 -1.054 -0.481
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.614 -0.541 0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.259 0.645 1.074
\delta -0.603 -0.177 0.207
\tau_1/\tau_2 0.683 1.037 1.376
Q_{PAH} 0.759 2.482 5.137
U_{min} 2.829 7.782 14.409
{\rm log}_{10}(\gamma_e)\, -3.278 -2.189 -0.964

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.691 -0.716 -0.102
{\rm log}_{10}(\tau_{AGN})\, 1.077 1.399 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.958 -1.360 -0.929
0.03-0.10 Gyr -2.019 -1.215 -0.529
0.10-0.33 Gyr -1.913 -1.049 -0.433
0.33-1.08 Gyr -1.788 -0.886 -0.406
1.08-3.54 Gyr -1.458 -0.779 -0.507
3.54-11.61 Gyr -1.280 -0.743 -0.523
11.61-12.90 Gyr -1.481 -0.751 -0.204

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.573 10.634 10.698
{\rm log}_{10}({\rm SFR}) 0.081 0.287 0.512
{\rm log}_{10}({\rm sSFR}) -10.553 -10.357 -10.133
{\rm stellar\ age} 6.586 7.359 8.459

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.669 -0.477 -0.318
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.598 0.006 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.172 0.253 0.384
\delta 0.048 0.241 0.343
\tau_1/\tau_2 0.733 1.078 1.445
Q_{PAH} 1.974 3.413 5.051
U_{min} 2.359 6.993 13.936
{\rm log}_{10}(\gamma_e)\, -2.939 -2.152 -1.361

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.638 -2.552 -1.880
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.360 1.812

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.040 0.201 0.323
0.03-0.10 Gyr 0.007 0.326 0.612
0.10-0.33 Gyr 0.060 0.338 0.561
0.33-1.08 Gyr 0.104 0.351 0.538
1.08-3.54 Gyr 0.212 0.547 0.775
3.54-11.61 Gyr 0.616 0.778 0.883
11.61-12.90 Gyr 0.448 0.891 1.328