2025ljx

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Information

Transient

Name: AT2025ljx
Right ascension: 8h35m43.13s
Declination: -12d12m09.43s
Discovery Date: May 23, 2025, 12:59 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name: 2025ljx
Right ascension: 8h35m43.66s
Declination: -12d12m10.26s
Redshift: 0.028003
Photometric Redshift: 0.025

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	2.86
Transient MWEBV	processed	0.06
Host match	processed	2.98
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.7
Global aperture photometry	processed	4.59
Validate global photometry	processed	11.58
Global host SED inference	processed	489.71
Local aperture photometry	processed	4.03
Validate local photometry	processed	0.02
Local host SED inference	processed	442.25

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) = 8h35m43.13s, -12d12m09.43s
semi major axis, semi minor axis (arcsec) = 3.56, 3.56
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	219.91	1.12	18.044	0.006	AB
PanSTARRS_r	428.76	1.23	17.319	0.003	AB
PanSTARRS_i	604.46	1.15	16.947	0.002	AB
PanSTARRS_z	765.35	2.96	16.690	0.004	AB
PanSTARRS_y	994.43	7.08	16.406	0.008	AB
2MASS_J	1150.62	87.26	15.353	0.082	Vega
2MASS_H	1347.42	135.81	14.709	0.109	Vega
2MASS_K	1127.01	179.39	14.432	0.173	Vega

Aperture details

RA, DEC (J2000) = 8h35m43.62s, -12d12m10.25s
semi major axis, semi minor axis (arcsec) = 18.64, 15.87
angle (degrees, anti-clockwise from east) = -120.37

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	4076.41	5.28	14.874	0.001	AB
PanSTARRS_r	8272.42	5.82	14.106	0.001	AB
PanSTARRS_i	11822.53	5.53	13.718	0.001	AB
PanSTARRS_z	15405.64	14.17	13.431	0.001	AB
PanSTARRS_y	19310.34	33.77	13.186	0.002	AB
2MASS_J	23629.0	425.78	12.071	0.020	Vega
2MASS_H	29952.09	662.72	11.341	0.024	Vega
2MASS_K	25351.62	876.32	11.052	0.038	Vega
WISE_W1	11909.91	71.39	11.011	0.007	Vega
WISE_W2	6902.04	73.31	10.964	0.012	Vega
WISE_W3	9008.8	217.66	8.839	0.026	Vega
WISE_W4	6600.9	1092.27	7.731	0.180	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	9.311	9.469	9.601
{\rm log}_{10}({\rm SFR})	-1.289	-0.609	-0.129
{\rm log}_{10}({\rm sSFR})	-10.837	-10.061	-9.523
{\rm stellar\ age}	4.638	6.949	8.774

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.332	-0.656	-0.168
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.082	-0.231	0.156

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.563	1.075	1.394
\delta	-0.570	-0.262	-0.044
\tau_1/\tau_2	0.643	1.004	1.356
Q_{PAH}	0.647	2.050	3.474
U_{min}	2.458	7.260	13.989
{\rm log}_{10}(\gamma_e)\,	-3.587	-2.613	-1.393

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.376	-2.975	-0.877
{\rm log}_{10}(\tau_{AGN})\,	0.910	1.407	1.924

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.120	-0.543	-0.220
0.03-0.10 Gyr	-1.736	-0.692	-0.067
0.10-0.33 Gyr	-1.729	-0.692	-0.125
0.33-1.10 Gyr	-1.410	-0.612	-0.161
1.10-3.64 Gyr	-1.229	-0.548	-0.246
3.64-12.04 Gyr	-1.042	-0.516	-0.290
12.04-13.38 Gyr	-1.142	-0.445	0.193

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.769	10.858	10.963
{\rm log}_{10}({\rm SFR})	-2.060	-0.920	0.251
{\rm log}_{10}({\rm sSFR})	-12.928	-11.737	-10.554
{\rm stellar\ age}	7.785	9.591	12.635

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.494	-0.324	-0.210
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.342	-0.305	0.296

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.139	0.345	0.496
\delta	-0.849	-0.487	-0.125
\tau_1/\tau_2	0.499	0.913	1.323
Q_{PAH}	0.329	1.737	4.303
U_{min}	2.683	7.706	14.962
{\rm log}_{10}(\gamma_e)\,	-3.458	-2.374	-1.247

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.408	-3.577	-2.585
{\rm log}_{10}(\tau_{AGN})\,	1.157	1.665	1.995

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.804	-1.104	0.147
0.03-0.10 Gyr	-2.703	-0.964	0.298
0.10-0.33 Gyr	-3.212	-1.117	0.174
0.33-1.10 Gyr	-3.007	-0.998	0.077
1.10-3.64 Gyr	-2.195	-0.442	0.582
3.64-12.04 Gyr	-0.824	0.820	1.060
12.04-13.38 Gyr	0.703	1.572	2.079