2025aixt

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Information

Transient

Name: AT2025aixt
Right ascension: 4h03m03.18s
Declination: 15d15m16.61s
Discovery Date: Nov. 1, 2025, 2:14 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.400

Host

Name: 04030348+1515062
Right ascension: 4h03m03.49s
Declination: 15d15m06.27s
Redshift: 0.044641
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	17.46
Transient MWEBV	processed	0.04
Host match	processed	4.3
Host information	processed	0.17
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	7.09
Validate global photometry	processed	15.71
Global host SED inference	processed	426.43
Local aperture photometry	processed	5.07
Validate local photometry	processed	0.04
Local host SED inference	processed	459.48

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) = 4h03m03.18s, 15d15m16.61s
semi major axis, semi minor axis (arcsec) = 2.28, 2.28
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	4.83	1.66	22.189	0.373	AB
SDSS_g	25.55	1.47	20.381	0.062	AB
PanSTARRS_g	30.26	0.61	20.198	0.022	AB
SDSS_r	48.02	2.05	19.696	0.046	AB
PanSTARRS_r	58.65	0.61	19.479	0.011	AB
SDSS_i	75.07	2.89	19.211	0.042	AB
PanSTARRS_i	77.82	0.87	19.172	0.012	AB
PanSTARRS_z	91.83	1.7	18.993	0.020	AB
SDSS_z	83.9	6.58	19.091	0.085	AB
PanSTARRS_y	119.39	4.19	18.708	0.038	AB

Aperture details

RA, DEC (J2000) = 4h03m03.48s, 15d15m06.27s
semi major axis, semi minor axis (arcsec) = 11.49, 10.56
angle (degrees, anti-clockwise from east) = -91.99

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	16.36	3.65	20.865	0.242	AB
GALEX_NUV	15.23	1.29	20.943	0.092	AB
SDSS_u	92.16	7.94	18.989	0.094	AB
SDSS_g	821.44	8.09	16.614	0.011	AB
PanSTARRS_g	947.4	3.05	16.459	0.003	AB
SDSS_r	2148.38	12.94	15.570	0.007	AB
PanSTARRS_r	2323.08	3.0	15.485	0.001	AB
SDSS_i	3719.13	18.11	14.974	0.005	AB
PanSTARRS_i	3732.09	4.27	14.970	0.001	AB
PanSTARRS_z	5191.41	8.26	14.612	0.002	AB
SDSS_z	5495.3	35.3	14.550	0.007	AB
PanSTARRS_y	7209.48	19.88	14.255	0.003	AB
2MASS_J	9696.98	275.8	13.039	0.031	Vega
2MASS_H	14033.31	430.17	12.164	0.033	Vega
2MASS_K	12900.89	518.76	11.786	0.044	Vega
WISE_W1	6785.7	52.02	11.622	0.008	Vega
WISE_W3	20507.56	211.89	7.946	0.011	Vega
WISE_W4	20219.65	1582.79	6.516	0.085	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})\,	8.540	8.837	9.020
{\rm log}_{10}({\rm SFR})	-1.210	-0.656	-0.133
{\rm log}_{10}({\rm sSFR})	-10.143	-9.473	-8.767
{\rm stellar\ age}	1.862	4.875	7.133

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.740	-1.292	-0.420
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.101	-0.208	0.202

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.143	0.357	0.666
\delta	-0.578	-0.172	0.176
\tau_1/\tau_2	0.775	1.152	1.524
Q_{PAH}	0.601	2.092	4.372
U_{min}	2.946	8.452	15.448
{\rm log}_{10}(\gamma_e)\,	-3.249	-2.059	-0.809

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.745	-1.549	-0.650
{\rm log}_{10}(\tau_{AGN})\,	1.068	1.459	1.910

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.122	-0.825	-0.526
0.03-0.10 Gyr	-1.384	-0.610	-0.019
0.10-0.33 Gyr	-1.383	-0.649	-0.155
0.33-1.09 Gyr	-1.652	-0.932	-0.553
1.09-3.59 Gyr	-1.979	-1.114	-0.794
3.59-11.84 Gyr	-2.383	-1.335	-0.884
11.84-13.16 Gyr	-2.536	-1.381	-0.714

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.984	11.055	11.126
{\rm log}_{10}({\rm SFR})	0.006	0.289	0.555
{\rm log}_{10}({\rm sSFR})	-11.051	-10.751	-10.483
{\rm stellar\ age}	8.533	11.172	12.406

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.659	-0.466	-0.306
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.802	-0.370	-0.142

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.165	0.299	0.475
\delta	-0.136	0.136	0.288
\tau_1/\tau_2	0.534	0.997	1.466
Q_{PAH}	0.798	2.336	4.498
U_{min}	2.336	7.360	14.508
{\rm log}_{10}(\gamma_e)\,	-3.103	-1.969	-1.380

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.238	-2.504	-1.247
{\rm log}_{10}(\tau_{AGN})\,	1.303	1.661	1.968

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.376	0.588	0.840
0.03-0.10 Gyr	-2.067	-0.211	0.431
0.10-0.33 Gyr	-3.095	-0.498	0.171
0.33-1.09 Gyr	-2.965	-0.586	0.094
1.09-3.59 Gyr	-2.664	-0.599	0.143
3.59-11.84 Gyr	-0.658	0.779	1.194
11.84-13.16 Gyr	1.403	2.056	2.243