2025zld

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Information

Transient

Name: AT2025zld
Right ascension: 9h48m21.85s
Declination: 27d02m57.38s
Discovery Date: Sept. 30, 2025, 12:23 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name:
Right ascension: 9h48m22.01s
Declination: 27d02m56.32s
Redshift: None
Photometric Redshift: 0.117

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.62
Transient MWEBV	processed	0.08
Host match	processed	6.05
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	4.93
Validate global photometry	processed	15.14
Global host SED inference	processed	385.22
Local aperture photometry	processed	5.35
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) = 9h48m21.85s, 27d02m57.38s
semi major axis, semi minor axis (arcsec) = 0.95, 0.95
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) = 9h48m21.98s, 27d02m56.45s
semi major axis, semi minor axis (arcsec) = 5.92, 4.93
angle (degrees, anti-clockwise from east) = -74.94

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	11.98	2.51	21.204	0.228	AB
GALEX_NUV	14.47	1.85	20.999	0.139	AB
SDSS_u	50.84	4.99	19.635	0.106	AB
SDSS_g	96.56	3.02	18.938	0.034	AB
PanSTARRS_g	104.47	1.23	18.852	0.013	AB
SDSS_r	179.76	4.36	18.263	0.026	AB
PanSTARRS_r	175.41	1.45	18.290	0.009	AB
SDSS_i	234.33	5.69	17.975	0.026	AB
PanSTARRS_i	228.71	1.93	18.002	0.009	AB
PanSTARRS_z	267.06	3.34	17.833	0.014	AB
SDSS_z	313.7	21.58	17.659	0.075	AB
PanSTARRS_y	309.81	7.46	17.672	0.026	AB
2MASS_J	435.8	102.83	16.407	0.256	Vega
2MASS_H	333.61	146.95	16.224	0.478	Vega
2MASS_K	506.62	159.8	15.300	0.342	Vega
WISE_W1	221.95	14.63	15.335	0.072	Vega
WISE_W2	150.07	18.98	15.120	0.137	Vega
WISE_W3	213.25	75.67	12.904	0.385	Vega
WISE_W4	422.4	441.0	10.716	1.134	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})\,	10.085	10.153	10.227
{\rm log}_{10}({\rm SFR})	0.189	0.496	0.759
{\rm log}_{10}({\rm sSFR})	-9.982	-9.648	-9.365
{\rm stellar\ age}	6.144	6.990	8.677

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.659	-0.349	-0.143
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.155	-0.423	-0.054

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.156	0.252	0.414
\delta	-0.759	-0.462	-0.112
\tau_1/\tau_2	0.557	0.960	1.357
Q_{PAH}	1.168	2.874	5.096
U_{min}	2.783	7.560	15.189
{\rm log}_{10}(\gamma_e)\,	-2.600	-1.626	-0.531

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.713	-2.213	-1.368
{\rm log}_{10}(\tau_{AGN})\,	1.064	1.495	1.882

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.665	-0.162	0.102
0.03-0.10 Gyr	0.298	0.629	0.906
0.10-0.32 Gyr	-0.685	0.059	0.380
0.32-1.05 Gyr	-0.984	-0.179	0.147
1.05-3.40 Gyr	-0.675	-0.006	0.271
3.40-11.02 Gyr	0.020	0.277	0.403
11.02-12.25 Gyr	-0.049	0.455	1.045