2025dch

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Information

Transient

Name: AT2025dch
Right ascension: 13h46m12.89s
Declination: 53d47m45.02s
Discovery Date: March 1, 2025, 11:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name: 2025dch
Right ascension: 13h46m12.84s
Declination: 53d47m44.60s
Redshift: None
Photometric Redshift: 0.139
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.73
Cutout download processed 12.59
Global aperture construction processed 0.57
Local aperture photometry processed 4.56
Global aperture photometry processed 4.48
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.07
Host information processed 0.1
Global host SED inference processed 457.36
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
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) = 13h46m12.89s, 53d47m45.02s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
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) = 13h46m12.80s, 53d47m44.83s
semi major axis, semi minor axis (arcsec) = 5.17, 2.61
angle (degrees, anti-clockwise from east) = -64.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 27.75 3.3 20.292 0.129 AB
SDSS_g 48.3 2.14 19.690 0.048 AB
PanSTARRS_g 50.99 0.83 19.631 0.018 AB
SDSS_r 79.4 2.88 19.151 0.039 AB
PanSTARRS_r 76.87 0.93 19.186 0.013 AB
SDSS_i 102.53 3.77 18.873 0.040 AB
PanSTARRS_i 100.13 1.04 18.899 0.011 AB
PanSTARRS_z 125.04 2.5 18.657 0.022 AB
SDSS_z 124.72 9.83 18.660 0.086 AB
PanSTARRS_y 112.85 5.88 18.769 0.057 AB
2MASS_J 253.17 130.91 16.997 0.561 Vega
2MASS_H 109.88 197.34 17.430 1.950 Vega
2MASS_K -61.53 235.78 Vega
WISE_W1 71.11 7.31 16.571 0.112 Vega
WISE_W2 54.1 12.59 16.228 0.253 Vega
WISE_W3 29.82 57.22 15.040 2.083 Vega
WISE_W4 -354.47 378.15 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})\, 9.349 9.732 9.968
{\rm log}_{10}({\rm SFR}) -0.829 0.334 0.984
{\rm log}_{10}({\rm sSFR}) -10.668 -9.447 -8.419
{\rm stellar\ age} 0.980 4.655 6.914

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.590 -0.983 -0.394
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.669 -0.626 0.268

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.334 0.491 0.685
\delta -0.728 -0.373 -0.002
\tau_1/\tau_2 0.454 0.880 1.327
Q_{PAH} 0.557 1.718 3.624
U_{min} 3.028 9.025 17.373
{\rm log}_{10}(\gamma_e)\, -3.186 -2.261 -1.143

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.912 -2.263 -1.485
{\rm log}_{10}(\tau_{AGN})\, 0.942 1.354 1.844

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.339 -1.739 -0.756
0.03-0.10 Gyr -0.726 0.490 1.146
0.10-0.32 Gyr -1.503 0.253 0.766
0.32-1.04 Gyr -2.727 -0.309 0.308
1.04-3.35 Gyr -2.987 -0.338 0.167
3.35-10.79 Gyr -2.859 -0.517 0.057
10.79-11.98 Gyr -3.323 -0.506 0.433