2025aatu

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Information

Transient

Name: AT2025aatu
Right ascension: 2h14m19.13s
Declination: -2d45m30.43s
Discovery Date: Oct. 16, 2025, 10:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 2h14m18.96s
Declination: -2d45m31.97s
Redshift: None
Photometric Redshift: 0.147

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.98
Transient MWEBV	processed	0.04
Host match	processed	6.97
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	2.73
Global aperture photometry	processed	6.96
Validate global photometry	processed	16.44
Global host SED inference	processed	524.79
Local aperture photometry	processed	7.29
Validate local photometry	no valid phot	0.03
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) = 2h14m19.13s, -2d45m30.43s
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) = 2h14m18.96s, -2d45m32.00s
semi major axis, semi minor axis (arcsec) = 8.32, 6.45
angle (degrees, anti-clockwise from east) = -103.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	14.08	3.68	21.028	0.284	AB
GALEX_NUV	15.07	2.94	20.955	0.212	AB
SDSS_u	74.26	5.21	19.223	0.076	AB
SDSS_g	55.09	3.4	19.547	0.067	AB
DES_g	70.28	0.39	19.283	0.006	AB
PanSTARRS_g	67.48	2.25	19.327	0.036	AB
SDSS_r	102.17	4.37	18.877	0.046	AB
PanSTARRS_r	102.84	2.33	18.870	0.025	AB
DES_r	121.05	0.67	18.693	0.006	AB
SDSS_i	118.36	5.77	18.717	0.053	AB
PanSTARRS_i	140.53	2.41	18.531	0.019	AB
PanSTARRS_z	136.19	5.42	18.565	0.043	AB
SDSS_z	213.92	18.73	18.074	0.095	AB
PanSTARRS_y	199.13	13.72	18.152	0.075	AB
WISE_W1	96.25	14.06	16.242	0.159	Vega
WISE_W2	58.32	15.0	16.146	0.279	Vega
WISE_W3	123.06	63.87	13.501	0.564	Vega
WISE_W4	619.89	369.43	10.299	0.647	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})\,	9.462	9.865	10.062
{\rm log}_{10}({\rm SFR})	0.775	1.024	1.250
{\rm log}_{10}({\rm sSFR})	-9.218	-8.850	-8.232
{\rm stellar\ age}	3.577	6.386	8.257

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.939	-0.354	-0.041
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.107	0.013	0.157

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.189	0.341	0.541
\delta	-0.731	-0.371	-0.171
\tau_1/\tau_2	0.772	1.283	1.710
Q_{PAH}	0.459	1.525	3.378
U_{min}	2.932	8.529	16.202
{\rm log}_{10}(\gamma_e)\,	-3.164	-2.036	-0.806

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.289	-3.136	-1.987
{\rm log}_{10}(\tau_{AGN})\,	1.024	1.488	1.901

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.304	0.207	0.537
0.03-0.10 Gyr	0.917	1.162	1.395
0.10-0.32 Gyr	-2.749	-1.178	-0.173
0.32-1.03 Gyr	-4.409	-1.425	-0.497
1.03-3.33 Gyr	-2.619	-0.634	-0.080
3.33-10.70 Gyr	-1.312	-0.126	0.183
10.70-11.89 Gyr	-1.317	0.036	0.799