2025heh

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Information

Transient

Name: AT2025heh
Right ascension: 19h52m19.65s
Declination: 56d40m08.44s
Discovery Date: April 6, 2025, 11:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.089

Host

Name: 2025heh
Right ascension: 19h52m19.40s
Declination: 56d40m03.16s
Redshift: None
Photometric Redshift: 0.151
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.07
Cutout download processed 4.38
Global aperture construction processed 0.71
Local aperture photometry processed 4.23
Global aperture photometry processed 4.3
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.58
Host information processed 0.09
Global host SED inference processed 600.87
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.1
Log transient processing status blocked 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) = 19h52m19.65s, 56d40m08.44s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 19h52m19.39s, 56d40m03.38s
semi major axis, semi minor axis (arcsec) = 4.37, 4.15
angle (degrees, anti-clockwise from east) = -149.07

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV -1.97 2.39 AB
GALEX_NUV -0.38 1.52 AB
PanSTARRS_g 132.0 1.24 18.599 0.010 AB
PanSTARRS_r 335.54 1.62 17.586 0.005 AB
PanSTARRS_i 510.31 1.76 17.130 0.004 AB
PanSTARRS_z 691.17 4.1 16.801 0.006 AB
PanSTARRS_y 775.99 8.47 16.675 0.012 AB
2MASS_J 1138.75 144.1 15.364 0.137 Vega
2MASS_H 1525.08 218.63 14.574 0.156 Vega
2MASS_K 1412.19 203.61 14.187 0.157 Vega
WISE_W1 463.62 15.17 14.536 0.036 Vega
WISE_W2 280.04 18.75 14.443 0.073 Vega
WISE_W3 97.47 30.6 13.754 0.341 Vega
WISE_W4 86.85 239.63 12.433 2.995 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.924 11.031 11.128
{\rm log}_{10}({\rm SFR}) -5.121 -2.112 -0.550
{\rm log}_{10}({\rm sSFR}) -16.048 -13.069 -11.473
{\rm stellar\ age} 6.907 9.000 11.251

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.530 -1.222 -0.965
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.619 -0.742 0.123

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.287 0.405 0.548
\delta -0.885 -0.681 -0.460
\tau_1/\tau_2 0.483 0.964 1.468
Q_{PAH} 0.375 1.115 2.629
U_{min} 3.833 10.999 18.776
{\rm log}_{10}(\gamma_e)\, -2.764 -1.627 -0.845

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.426 -3.433 -2.382
{\rm log}_{10}(\tau_{AGN})\, 1.058 1.621 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.643 -3.166 -1.051
0.03-0.10 Gyr -5.895 -2.449 -0.493
0.10-0.32 Gyr -5.802 -2.440 -0.193
0.32-1.03 Gyr -6.040 -2.705 -0.096
1.03-3.32 Gyr -3.781 -1.554 0.746
3.32-10.67 Gyr -1.655 0.877 1.314
10.67-11.85 Gyr -0.185 1.899 2.306