2025hej results

Information

Transient
Name:AT2025hej
Right ascension: 20h19m52.83s
Declination:19d23m40.93s
Discovery Date:April 6, 2025, 11:42 a.m.
Classification:None
Redshift:None
MW E(B-V):0.146
Host
Name:2025hej
Right ascension: 20h19m52.73s
Declination:19d23m39.22s
Redshift:None
Photometric Redshift:0.116
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 3.74
Transient MWEBV processed 0.09
Host match processed 6.22
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 1.53
Global aperture photometry processed 4.49
Validate global photometry processed 24.04
Global host SED inference processed 400.47
Local aperture photometry processed 4.29
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):20h19m52.74s, 19d23m39.41s
semi major axis, semi minor axis (arcsec):5.04, 3.69
angle (degrees, anti-clockwise from east):-62.79
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 8.29 2.5 21.604 0.328 AB
PanSTARRS_g 111.43 0.94 18.782 0.009 AB
PanSTARRS_r 217.06 1.25 18.059 0.006 AB
PanSTARRS_i 315.11 2.21 17.654 0.008 AB
PanSTARRS_z 408.21 4.01 17.373 0.011 AB
PanSTARRS_y 459.43 8.1 17.244 0.019 AB
2MASS_J 530.36 151.98 16.194 0.311 Vega
2MASS_H 833.08 238.96 15.231 0.311 Vega
2MASS_K 550.35 267.66 15.211 0.528 Vega
WISE_W1 188.57 66.13 15.512 0.381 Vega
WISE_W2 107.55 48.87 15.482 0.493 Vega
WISE_W3 476.24 71.84 12.031 0.164 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.372 10.437 10.506
{\rm log}_{10}({\rm SFR}) -0.233 0.155 0.487
{\rm log}_{10}({\rm sSFR}) -10.630 -10.260 -9.903
{\rm stellar\ age} 5.817 6.847 8.196

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.739 -0.494 -0.303
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.609 -0.764 0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.304 0.516
\delta -0.504 -0.028 0.265
\tau_1/\tau_2 0.650 1.031 1.393
Q_{PAH} 0.649 1.584 3.072
U_{min} 2.644 7.475 14.137
{\rm log}_{10}(\gamma_e)\, -2.945 -2.121 -1.287

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.794 -2.268 -1.367
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.404 1.824

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.981 -0.277 0.047
0.03-0.10 Gyr -0.212 0.242 0.619
0.10-0.32 Gyr 0.008 0.381 0.690
0.32-1.05 Gyr -0.219 0.234 0.536
1.05-3.40 Gyr -0.061 0.378 0.652
3.40-11.03 Gyr 0.292 0.566 0.696
11.03-12.26 Gyr 0.029 0.663 1.220