2025zlt

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Information

Transient

Name: AT2025zlt
Right ascension: 2h29m58.22s
Declination: -26d36m57.27s
Discovery Date: Sept. 30, 2025, 12:10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: 765927
Right ascension: 2h29m58.34s
Declination: -26d36m56.30s
Redshift: None
Photometric Redshift: 0.147

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	5.99
Transient MWEBV	processed	0.08
Host match	processed	3.67
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.69
Global aperture photometry	processed	4.92
Validate global photometry	processed	11.78
Global host SED inference	processed	425.7
Local aperture photometry	processed	4.26
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) = 2h29m58.22s, -26d36m57.27s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
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) = 2h29m58.28s, -26d36m56.87s
semi major axis, semi minor axis (arcsec) = 6.62, 5.77
angle (degrees, anti-clockwise from east) = -121.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.49	1.29	22.910	0.564	AB
GALEX_NUV	7.35	1.22	21.734	0.180	AB
DES_g	198.56	0.52	18.155	0.003	AB
PanSTARRS_g	206.45	1.33	18.113	0.007	AB
PanSTARRS_r	443.79	1.83	17.282	0.004	AB
PanSTARRS_i	618.89	2.23	16.921	0.004	AB
PanSTARRS_z	815.94	3.84	16.621	0.005	AB
PanSTARRS_y	949.43	8.67	16.456	0.010	AB
2MASS_J	1484.36	176.62	15.076	0.129	Vega
2MASS_H	1463.28	246.41	14.619	0.183	Vega
2MASS_K	1625.97	312.09	14.034	0.208	Vega
WISE_W1	620.49	14.98	14.219	0.026	Vega
WISE_W2	423.94	19.33	13.993	0.050	Vega
WISE_W3	163.13	67.46	13.195	0.449	Vega
WISE_W4	487.23	339.04	10.561	0.755	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})\,	10.895	10.943	11.015
{\rm log}_{10}({\rm SFR})	-0.307	0.251	0.706
{\rm log}_{10}({\rm sSFR})	-11.293	-10.707	-10.241
{\rm stellar\ age}	6.686	7.284	9.440

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.778	-0.593	-0.476
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.503	-0.752	0.070

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.201	0.294	0.429
\delta	-0.925	-0.774	-0.516
\tau_1/\tau_2	0.711	1.087	1.472
Q_{PAH}	0.830	2.243	4.381
U_{min}	2.508	7.760	14.783
{\rm log}_{10}(\gamma_e)\,	-2.820	-1.962	-0.937

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.244	-3.067	-2.009
{\rm log}_{10}(\tau_{AGN})\,	1.098	1.604	1.954

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.373	-0.281	0.118
0.03-0.10 Gyr	-0.257	0.341	0.844
0.10-0.32 Gyr	-0.318	0.373	0.790
0.32-1.03 Gyr	-0.570	0.256	0.601
1.03-3.33 Gyr	-0.317	0.517	0.863
3.33-10.70 Gyr	0.814	1.146	1.246
10.70-11.89 Gyr	0.756	1.289	1.976