2025aact

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Information

Transient

Name: AT2025aact
Right ascension: 0h57m08.85s
Declination: 20d07m01.09s
Discovery Date: July 2, 2025, 1:10 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name:
Right ascension: 0h57m08.67s
Declination: 20d07m00.65s
Redshift: 0.143963
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.56
Transient MWEBV	processed	0.05
Host match	processed	6.04
Host information	processed	0.06
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	6.47
Validate global photometry	processed	17.11
Global host SED inference	processed	606.25
Local aperture photometry	processed	6.51
Validate local photometry	no valid phot	0.02
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) = 0h57m08.85s, 20d07m01.09s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
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) = 0h57m08.66s, 20d07m00.89s
semi major axis, semi minor axis (arcsec) = 6.05, 4.98
angle (degrees, anti-clockwise from east) = -57.88

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	16.9	6.1	20.830	0.392	AB
SDSS_g	166.53	3.76	18.346	0.025	AB
DES_g	179.68	0.71	18.264	0.004	AB
PanSTARRS_g	181.28	1.44	18.254	0.009	AB
SDSS_r	439.32	6.04	17.293	0.015	AB
PanSTARRS_r	443.01	1.81	17.284	0.004	AB
DES_r	477.15	1.93	17.203	0.004	AB
SDSS_i	658.06	7.47	16.854	0.012	AB
PanSTARRS_i	653.1	2.45	16.863	0.004	AB
PanSTARRS_z	831.59	3.83	16.600	0.005	AB
SDSS_z	834.58	19.85	16.596	0.026	AB
DES_z	906.22	5.82	16.507	0.007	AB
PanSTARRS_y	1002.25	8.92	16.398	0.010	AB
2MASS_J	1221.25	121.44	15.288	0.108	Vega
2MASS_H	1736.46	170.93	14.433	0.107	Vega
2MASS_K	1924.29	250.32	13.852	0.141	Vega
WISE_W1	614.83	19.35	14.229	0.034	Vega
WISE_W2	379.63	24.42	14.113	0.070	Vega
WISE_W3	14.5	64.69	15.822	4.843	Vega
WISE_W4	-75.36	391.42			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})\,	10.909	10.999	11.126
{\rm log}_{10}({\rm SFR})	-2.311	-0.331	0.541
{\rm log}_{10}({\rm sSFR})	-13.407	-11.326	-10.393
{\rm stellar\ age}	6.636	8.129	11.312

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.360	-1.011	-0.771
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.309	-0.713	-0.207

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.277	0.451	0.621
\delta	-0.955	-0.841	-0.644
\tau_1/\tau_2	0.527	1.011	1.493
Q_{PAH}	0.734	2.630	5.339
U_{min}	3.233	9.388	17.431
{\rm log}_{10}(\gamma_e)\,	-2.964	-1.645	-0.603

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.465	-3.498	-2.408
{\rm log}_{10}(\tau_{AGN})\,	1.071	1.583	1.973

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.491	-0.161	0.452
0.03-0.10 Gyr	-3.991	-0.741	0.580
0.10-0.32 Gyr	-4.784	-1.016	0.474
0.32-1.04 Gyr	-5.349	-1.178	0.474
1.04-3.34 Gyr	-3.420	-0.489	0.911
3.34-10.74 Gyr	-1.282	0.994	1.277
10.74-11.93 Gyr	0.432	1.661	2.297