2025stu

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Information

Transient

Name: AT2025stu
Right ascension: 12h28m00.06s
Declination: 8d43m04.76s
Discovery Date: May 26, 2025, 8:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name:
Right ascension: 12h28m00.41s
Declination: 8d43m05.69s
Redshift: 0.086333
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	28.0
Transient MWEBV	processed	0.09
Host match	processed	6.38
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	0.67
Global aperture photometry	processed	6.74
Validate global photometry	processed	18.36
Global host SED inference	processed	497.56
Local aperture photometry	processed	7.37
Validate local photometry	processed	0.03
Local host SED inference	processed	440.59

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) = 12h28m00.06s, 8d43m04.76s
semi major axis, semi minor axis (arcsec) = 1.24, 1.24
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	2.28	0.14	23.005	0.069	AB
PanSTARRS_r	4.34	0.28	22.306	0.070	AB
DES_r	3.55	0.27	22.525	0.082	AB
PanSTARRS_i	5.55	0.4	22.038	0.078	AB
PanSTARRS_z	4.37	0.67	22.300	0.166	AB
DES_z	5.84	0.77	21.984	0.142	AB
PanSTARRS_y	9.27	1.31	21.483	0.154	AB

Aperture details

RA, DEC (J2000) = 12h28m00.40s, 8d43m05.80s
semi major axis, semi minor axis (arcsec) = 5.45, 3.6
angle (degrees, anti-clockwise from east) = -102.13

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.09	0.29	23.099	0.150	AB
GALEX_NUV	2.77	0.23	22.795	0.091	AB
SDSS_u	24.95	4.89	20.407	0.213	AB
SDSS_g	114.07	3.52	18.757	0.034	AB
DES_g	125.69	0.79	18.652	0.007	AB
PanSTARRS_g	122.34	0.82	18.681	0.007	AB
SDSS_r	252.8	4.73	17.893	0.020	AB
PanSTARRS_r	250.55	1.03	17.903	0.004	AB
DES_r	285.5	1.79	17.761	0.007	AB
SDSS_i	366.78	6.15	17.489	0.018	AB
PanSTARRS_i	345.07	1.45	17.555	0.005	AB
PanSTARRS_z	439.3	2.39	17.293	0.006	AB
SDSS_z	558.3	15.27	17.033	0.030	AB
DES_z	494.51	6.04	17.165	0.013	AB
PanSTARRS_y	501.16	4.62	17.150	0.010	AB
2MASS_J	737.27	162.74	15.836	0.240	Vega
2MASS_H	682.06	226.58	15.448	0.361	Vega
2MASS_K	544.77	275.2	15.222	0.548	Vega
WISE_W1	253.98	10.37	15.189	0.044	Vega
WISE_W2	149.52	16.16	15.124	0.117	Vega
WISE_W3	100.2	75.39	13.724	0.817	Vega
WISE_W4	-85.9	385.51			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})\,	7.747	8.129	8.351
{\rm log}_{10}({\rm SFR})	-1.608	-1.109	-0.642
{\rm log}_{10}({\rm sSFR})	-9.880	-9.236	-8.491
{\rm stellar\ age}	0.648	4.563	6.685

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.515	-0.895	-0.328
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.090	-0.510	-0.036

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.770	1.197	1.713
\delta	-0.240	0.035	0.242
\tau_1/\tau_2	0.579	0.934	1.333
Q_{PAH}	1.009	2.663	4.913
U_{min}	2.814	7.980	15.750
{\rm log}_{10}(\gamma_e)\,	-2.846	-1.861	-0.928

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.476	-0.438	0.182
{\rm log}_{10}(\tau_{AGN})\,	1.091	1.440	1.824

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.424	-0.954	-0.544
0.03-0.10 Gyr	-2.048	-1.314	-0.675
0.10-0.33 Gyr	-2.158	-1.462	-0.904
0.33-1.07 Gyr	-2.851	-1.704	-1.269
1.07-3.48 Gyr	-3.789	-1.880	-1.490
3.48-11.36 Gyr	-4.294	-2.055	-1.558
11.36-12.62 Gyr	-4.254	-2.147	-1.460

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.244	10.350	10.391
{\rm log}_{10}({\rm SFR})	-1.465	-0.778	-0.093
{\rm log}_{10}({\rm sSFR})	-11.841	-11.094	-10.405
{\rm stellar\ age}	7.893	11.507	11.966

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.297	-0.924	-0.707
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.471	-0.059	0.383

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.164	0.308	0.510
\delta	-0.870	-0.653	-0.422
\tau_1/\tau_2	0.611	1.075	1.518
Q_{PAH}	0.960	2.714	4.731
U_{min}	3.089	9.258	16.910
{\rm log}_{10}(\gamma_e)\,	-2.386	-1.251	-0.396

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.996	-2.580	-1.616
{\rm log}_{10}(\tau_{AGN})\,	1.203	1.684	1.984

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.218	-1.517	-0.924
0.03-0.10 Gyr	-1.531	-0.665	0.065
0.10-0.33 Gyr	-3.309	-1.246	-0.406
0.33-1.07 Gyr	-4.929	-1.943	-0.744
1.07-3.48 Gyr	-4.237	-1.837	-0.571
3.48-11.36 Gyr	-2.302	-0.406	0.488
11.36-12.62 Gyr	0.543	1.467	1.539