2025dhd

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Information

Transient

Name: AT2025dhd
Right ascension: 4h31m42.28s
Declination: -19d03m58.09s
Discovery Date: Feb. 27, 2025, 2:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 2025dhd
Right ascension: 4h31m42.31s
Declination: -19d03m58.62s
Redshift: None
Photometric Redshift: 0.179
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.54
Cutout download processed 9.85
Global aperture construction processed 0.59
Local aperture photometry processed 5.62
Global aperture photometry processed 5.31
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.81
Host information processed 0.08
Global host SED inference processed 419.99
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.07
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) = 4h31m42.28s, -19d03m58.09s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
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) = 4h31m42.30s, -19d03m58.48s
semi major axis, semi minor axis (arcsec) = 4.83, 4.66
angle (degrees, anti-clockwise from east) = -176.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.44 1.53 22.931 0.681 AB
GALEX_NUV 0.73 2.25 24.237 3.336 AB
DES_g 115.0 0.34 18.748 0.003 AB
PanSTARRS_g 122.35 1.13 18.681 0.010 AB
PanSTARRS_r 305.25 1.6 17.688 0.006 AB
DES_r 326.48 0.62 17.615 0.002 AB
PanSTARRS_i 453.84 1.26 17.258 0.003 AB
PanSTARRS_z 580.83 3.94 16.990 0.007 AB
DES_z 638.44 3.01 16.887 0.005 AB
PanSTARRS_y 706.59 7.92 16.777 0.012 AB
2MASS_J 1018.86 127.55 15.485 0.136 Vega
2MASS_H 1262.08 189.35 14.780 0.163 Vega
2MASS_K 1573.04 275.02 14.070 0.190 Vega
WISE_W1 598.13 17.74 14.259 0.032 Vega
WISE_W2 412.31 22.85 14.023 0.060 Vega
WISE_W3 122.56 81.34 13.505 0.720 Vega
WISE_W4 -763.97 464.85 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})\, 10.914 11.006 11.071
{\rm log}_{10}({\rm SFR}) -0.765 0.311 0.771
{\rm log}_{10}({\rm sSFR}) -11.880 -10.719 -10.190
{\rm stellar\ age} 5.576 6.621 7.721

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.460 -0.313 -0.187
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.290 -0.729 -0.213

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.225 0.391 0.544
\delta -0.951 -0.832 -0.594
\tau_1/\tau_2 0.678 1.021 1.372
Q_{PAH} 1.277 2.793 5.187
U_{min} 2.456 7.343 14.202
{\rm log}_{10}(\gamma_e)\, -3.096 -1.938 -0.891

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.310 -3.273 -2.128
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.555 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.585 0.361 0.693
0.03-0.10 Gyr -1.071 0.268 0.823
0.10-0.32 Gyr -0.889 0.391 0.923
0.32-1.02 Gyr -0.538 0.556 1.037
1.02-3.25 Gyr 0.353 0.940 1.206
3.25-10.39 Gyr 0.950 1.190 1.329
10.39-11.54 Gyr 0.635 1.214 1.728