2025tlj

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Information

Transient

Name: AT2025tlj
Right ascension: 13h03m59.51s
Declination: -0d22m48.39s
Discovery Date: Aug. 4, 2025, 4:08 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name:
Right ascension: 13h03m59.51s
Declination: -0d22m49.06s
Redshift: None
Photometric Redshift: 0.063

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.48
Cutout download	processed	44.84
Global aperture construction	processed	0.61
Local aperture photometry	processed	5.98
Global aperture photometry	processed	5.44
Validate local photometry	processed	0.03
Validate global photometry	processed	15.72
Host information	processed	0.16
Global host SED inference	processed	459.9
Local host SED inference	processed	527.64
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.05
Processing status	completed	N/A	N/A

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) = 13h03m59.51s, -0d22m48.39s
semi major axis, semi minor axis (arcsec) = 1.64, 1.64
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	18.75	1.47	20.717	0.085	AB
SDSS_g	34.41	1.58	20.058	0.050	AB
DES_g	36.58	0.28	19.992	0.008	AB
PanSTARRS_g	35.94	0.4	20.011	0.012	AB
SDSS_r	41.99	1.81	19.842	0.047	AB
PanSTARRS_r	42.31	0.47	19.834	0.012	AB
DES_r	43.77	0.58	19.797	0.014	AB
SDSS_i	46.2	2.11	19.738	0.050	AB
PanSTARRS_i	46.46	0.52	19.732	0.012	AB
PanSTARRS_z	45.38	0.99	19.758	0.024	AB
SDSS_z	52.11	4.57	19.608	0.095	AB
DES_z	50.96	1.23	19.632	0.026	AB
PanSTARRS_y	45.49	2.32	19.755	0.055	AB

Aperture details

RA, DEC (J2000) = 13h03m59.39s, -0d22m47.27s
semi major axis, semi minor axis (arcsec) = 9.8, 2.84
angle (degrees, anti-clockwise from east) = -50.98

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	45.22	3.98	19.762	0.095	AB
GALEX_NUV	49.48	1.69	19.664	0.037	AB
SDSS_u	65.73	3.86	19.356	0.064	AB
SDSS_g	140.12	3.42	18.534	0.027	AB
DES_g	104.96	0.54	18.847	0.006	AB
PanSTARRS_g	137.89	1.25	18.551	0.010	AB
SDSS_r	156.37	3.98	18.415	0.028	AB
PanSTARRS_r	162.04	1.45	18.376	0.010	AB
SDSS_i	186.32	5.22	18.224	0.030	AB
PanSTARRS_i	182.47	1.62	18.247	0.010	AB
PanSTARRS_z	189.2	3.11	18.208	0.018	AB
SDSS_z	225.86	14.04	18.015	0.067	AB
DES_z	143.21	2.4	18.510	0.018	AB
PanSTARRS_y	182.6	7.27	18.246	0.043	AB
2MASS_J	36.43	135.44	19.101	4.036	Vega
2MASS_H	142.54	185.61	17.148	1.414	Vega
2MASS_K	108.6	283.1	16.973	2.830	Vega
WISE_W1	81.04	10.15	16.429	0.136	Vega
WISE_W2	65.4	15.17	16.022	0.252	Vega
WISE_W3	-28.71	63.9			Vega
WISE_W4	641.64	431.69	10.262	0.730	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.131	8.386	8.590
{\rm log}_{10}({\rm SFR})	-2.112	-0.313	0.292
{\rm log}_{10}({\rm sSFR})	-10.486	-8.767	-7.923
{\rm stellar\ age}	0.096	0.700	5.104

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.721	-1.323	-0.739
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.587	-0.806	0.031

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.126	0.503	0.919
\delta	-0.576	-0.193	0.124
\tau_1/\tau_2	0.530	1.047	1.551
Q_{PAH}	1.111	2.919	5.360
U_{min}	4.321	11.333	19.032
{\rm log}_{10}(\gamma_e)\,	-3.040	-1.647	-0.520

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.883	-0.840	-0.229
{\rm log}_{10}(\tau_{AGN})\,	1.062	1.481	1.956

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.765	-2.350	-1.532
0.03-0.10 Gyr	-2.146	-0.153	0.456
0.10-0.33 Gyr	-2.746	-0.641	-0.045
0.33-1.08 Gyr	-4.761	-2.478	-0.892
1.08-3.54 Gyr	-6.376	-3.393	-1.419
3.54-11.62 Gyr	-7.487	-4.107	-1.683
11.62-12.91 Gyr	-8.076	-3.640	-1.406

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.135	9.277	9.378
{\rm log}_{10}({\rm SFR})	-0.133	0.038	0.243
{\rm log}_{10}({\rm sSFR})	-9.438	-9.240	-8.983
{\rm stellar\ age}	5.423	6.779	8.279

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.772	-1.458	-1.007
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.362	-0.012	0.356

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.083	0.181	0.317
\delta	-0.274	0.107	0.303
\tau_1/\tau_2	0.525	0.920	1.326
Q_{PAH}	1.225	3.264	5.488
U_{min}	2.756	8.373	16.116
{\rm log}_{10}(\gamma_e)\,	-2.698	-1.469	-0.442

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.853	-2.312	-1.349
{\rm log}_{10}(\tau_{AGN})\,	1.114	1.602	1.962

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.340	-0.948	-0.717
0.03-0.10 Gyr	0.013	0.187	0.399
0.10-0.33 Gyr	-1.353	-0.484	-0.157
0.33-1.08 Gyr	-1.627	-0.858	-0.550
1.08-3.54 Gyr	-1.473	-0.868	-0.567
3.54-11.62 Gyr	-1.091	-0.676	-0.489
11.62-12.91 Gyr	-1.142	-0.541	0.023