2025ahdl

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Information

Transient

Name: AT2025ahdl
Right ascension: 14h54m41.81s
Declination: 42d18m32.31s
Discovery Date: Dec. 13, 2025, 1:05 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2196312
Right ascension: 14h54m41.77s
Declination: 42d18m30.64s
Redshift: None
Photometric Redshift: 0.115

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	19.96
Transient MWEBV	processed	0.05
Host match	processed	4.3
Host information	processed	0.11
Host MWEBV	processed	0.06
Global aperture construction	processed	0.63
Global aperture photometry	processed	6.62
Validate global photometry	processed	15.97
Global host SED inference	processed	495.05
Local aperture photometry	processed	4.99
Validate local photometry	no valid phot	0.02
Local host SED inference	not processed	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) = 14h54m41.81s, 42d18m32.31s
semi major axis, semi minor axis (arcsec) = 0.96, 0.96
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available

Aperture details

RA, DEC (J2000) = 14h54m41.77s, 42d18m31.41s
semi major axis, semi minor axis (arcsec) = 10.2, 4.69
angle (degrees, anti-clockwise from east) = -0.35

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	13.75	2.71	21.055	0.214	AB
GALEX_NUV	23.38	2.27	20.478	0.106	AB
SDSS_u	98.66	6.13	18.915	0.067	AB
SDSS_g	283.6	4.73	17.768	0.018	AB
PanSTARRS_g	302.27	2.4	17.699	0.009	AB
SDSS_r	620.51	7.09	16.918	0.012	AB
PanSTARRS_r	646.65	1.85	16.873	0.003	AB
SDSS_i	901.81	9.5	16.512	0.011	AB
PanSTARRS_i	936.55	1.87	16.471	0.002	AB
PanSTARRS_z	1073.4	3.96	16.323	0.004	AB
SDSS_z	1255.64	22.25	16.153	0.019	AB
PanSTARRS_y	1297.07	10.88	16.118	0.009	AB
2MASS_J	1776.53	162.6	14.881	0.099	Vega
2MASS_H	2069.36	272.15	14.243	0.143	Vega
2MASS_K	2066.3	260.19	13.774	0.137	Vega
WISE_W1	944.99	14.47	13.762	0.017	Vega
WISE_W2	615.51	15.75	13.588	0.028	Vega
WISE_W3	876.82	50.01	11.369	0.062	Vega
WISE_W4	764.5	313.49	10.072	0.445	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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})\,	10.862	10.890	10.942
{\rm log}_{10}({\rm SFR})	0.244	0.441	0.645
{\rm log}_{10}({\rm sSFR})	-10.657	-10.461	-10.261
{\rm stellar\ age}	7.359	8.105	10.295

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.377	-0.290	-0.215
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.866	-0.155	0.082

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.174	0.212	0.268
\delta	-0.958	-0.861	-0.685
\tau_1/\tau_2	0.590	0.977	1.393
Q_{PAH}	0.449	0.920	1.671
U_{min}	2.018	6.018	12.698
{\rm log}_{10}(\gamma_e)\,	-3.377	-2.814	-1.940

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.399	-3.547	-2.636
{\rm log}_{10}(\tau_{AGN})\,	0.998	1.484	1.900

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.365	0.494	0.620
0.03-0.10 Gyr	0.098	0.424	0.691
0.10-0.32 Gyr	-0.484	-0.011	0.306
0.32-1.05 Gyr	-0.807	-0.223	0.136
1.05-3.41 Gyr	-0.698	-0.014	0.473
3.41-11.04 Gyr	0.715	1.086	1.172
11.04-12.27 Gyr	0.927	1.427	1.969