2025lht

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Information

Transient

Name: AT2025lht
Right ascension: 21h54m56.83s
Declination: -7d34m14.22s
Discovery Date: May 22, 2025, 10:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name: 2025lht
Right ascension: 21h54m56.74s
Declination: -7d34m14.26s
Redshift: 0.059410
Photometric Redshift: 0.075

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.57
Transient MWEBV	processed	0.04
Host match	processed	1.83
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.94
Validate global photometry	processed	17.07
Global host SED inference	processed	390.21
Local aperture photometry	processed	5.79
Validate local photometry	processed	0.03
Local host SED inference	processed	426.59

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) = 21h54m56.83s, -7d34m14.22s
semi major axis, semi minor axis (arcsec) = 1.74, 1.74
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	9.81	1.67	21.421	0.184	AB
SDSS_g	28.67	1.51	20.257	0.057	AB
DES_g	31.4	0.32	20.158	0.011	AB
PanSTARRS_g	29.55	0.4	20.223	0.015	AB
SDSS_r	47.55	1.98	19.707	0.045	AB
PanSTARRS_r	47.44	0.5	19.710	0.011	AB
SDSS_i	64.53	2.54	19.376	0.043	AB
PanSTARRS_i	63.53	0.53	19.392	0.009	AB
PanSTARRS_z	71.53	1.24	19.264	0.019	AB
SDSS_z	66.88	5.7	19.337	0.093	AB
PanSTARRS_y	84.94	3.13	19.077	0.040	AB

Aperture details

RA, DEC (J2000) = 21h54m56.72s, -7d34m13.89s
semi major axis, semi minor axis (arcsec) = 13.11, 6.65
angle (degrees, anti-clockwise from east) = -55.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	28.95	4.56	20.246	0.171	AB
GALEX_NUV	37.59	1.37	19.962	0.040	AB
SDSS_u	75.44	8.39	19.206	0.121	AB
SDSS_g	243.42	5.25	17.934	0.023	AB
DES_g	231.84	1.01	17.987	0.005	AB
PanSTARRS_g	259.66	2.11	17.864	0.009	AB
SDSS_r	364.29	6.86	17.496	0.020	AB
PanSTARRS_r	385.45	2.57	17.435	0.007	AB
SDSS_i	490.49	9.8	17.173	0.022	AB
PanSTARRS_z	542.73	6.59	17.064	0.013	AB
SDSS_z	496.22	29.28	17.161	0.064	AB
PanSTARRS_y	627.61	16.67	16.906	0.029	AB
2MASS_J	1158.51	231.5	15.345	0.217	Vega
2MASS_H	1107.18	371.96	14.922	0.365	Vega
2MASS_K	941.37	419.38	14.628	0.484	Vega
WISE_W1	296.08	20.85	15.022	0.076	Vega
WISE_W2	181.51	29.79	14.914	0.178	Vega
WISE_W3	208.45	92.87	12.929	0.484	Vega
WISE_W4	-166.43	422.97			Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.772	8.930	9.057
{\rm log}_{10}({\rm SFR})	-1.855	-1.204	-0.493
{\rm log}_{10}({\rm sSFR})	-10.809	-10.152	-9.365
{\rm stellar\ age}	2.642	5.777	7.283

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.568	-0.934	-0.384
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.562	-0.453	0.197

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.218	0.659	1.123
\delta	-0.498	-0.045	0.216
\tau_1/\tau_2	0.679	1.008	1.349
Q_{PAH}	0.855	2.697	5.210
U_{min}	2.942	7.923	14.849
{\rm log}_{10}(\gamma_e)\,	-3.024	-1.882	-0.830

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.803	-0.926	0.014
{\rm log}_{10}(\tau_{AGN})\,	0.946	1.427	1.949

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.030	-1.423	-0.970
0.03-0.10 Gyr	-2.061	-1.190	-0.372
0.10-0.33 Gyr	-1.686	-0.917	-0.267
0.33-1.08 Gyr	-1.610	-0.925	-0.486
1.08-3.55 Gyr	-1.620	-0.968	-0.700
3.55-11.67 Gyr	-1.949	-1.078	-0.828
11.67-12.97 Gyr	-2.189	-1.161	-0.604

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.776	9.838	9.916
{\rm log}_{10}({\rm SFR})	-0.564	-0.275	-0.004
{\rm log}_{10}({\rm sSFR})	-10.386	-10.119	-9.866
{\rm stellar\ age}	6.718	7.467	8.791

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.147	-0.827	-0.613
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.238	0.211	0.386

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.070	0.164	0.314
\delta	-0.478	-0.076	0.191
\tau_1/\tau_2	0.670	1.009	1.376
Q_{PAH}	0.906	2.522	4.430
U_{min}	2.702	7.840	14.397
{\rm log}_{10}(\gamma_e)\,	-2.834	-1.784	-0.764

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.867	-2.474	-1.723
{\rm log}_{10}(\tau_{AGN})\,	1.073	1.479	1.836

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.245	-0.805	-0.557
0.03-0.10 Gyr	-0.515	-0.159	0.142
0.10-0.33 Gyr	-0.509	-0.203	0.054
0.33-1.08 Gyr	-0.772	-0.390	-0.181
1.08-3.55 Gyr	-0.767	-0.340	-0.109
3.55-11.67 Gyr	-0.215	-0.035	0.085
11.67-12.97 Gyr	-0.331	0.121	0.618