2025aixj

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Information

Transient

Name: AT2025aixj
Right ascension: 21h58m59.80s
Declination: 1d19m45.60s
Discovery Date: Sept. 1, 2025, 9:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 21h58m59.73s
Declination: 1d19m46.27s
Redshift: None
Photometric Redshift: 0.091

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	21.03
Transient MWEBV	processed	0.04
Host match	processed	6.18
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	2.99
Global aperture photometry	processed	8.57
Validate global photometry	processed	26.31
Global host SED inference	processed	583.81
Local aperture photometry	processed	6.42
Validate local photometry	processed	0.03
Local host SED inference	processed	484.58

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) = 21h58m59.80s, 1d19m45.60s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
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	4.55	0.09	22.254	0.020	AB
DES_r	7.12	0.13	21.768	0.019	AB
PanSTARRS_i	6.92	0.26	21.799	0.040	AB
PanSTARRS_z	7.71	0.93	21.682	0.131	AB
DES_z	8.46	0.84	21.582	0.108	AB
PanSTARRS_y	12.13	2.5	21.190	0.224	AB

Aperture details

RA, DEC (J2000) = 21h58m59.70s, 1d19m46.30s
semi major axis, semi minor axis (arcsec) = 7.12, 5.34
angle (degrees, anti-clockwise from east) = -14.78

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.85	0.45	22.765	0.173	AB
GALEX_NUV	3.73	0.43	22.470	0.124	AB
SDSS_u	54.89	4.61	19.551	0.091	AB
SDSS_g	21.5	2.24	20.569	0.113	AB
DES_g	31.12	0.34	20.167	0.012	AB
PanSTARRS_g	27.71	1.31	20.293	0.051	AB
SDSS_r	44.69	3.18	19.774	0.077	AB
PanSTARRS_r	44.61	1.47	19.776	0.036	AB
DES_r	49.88	0.49	19.655	0.011	AB
SDSS_i	66.69	4.72	19.340	0.077	AB
PanSTARRS_i	58.19	1.33	19.488	0.025	AB
PanSTARRS_z	72.62	4.79	19.247	0.072	AB
SDSS_z	79.14	16.46	19.154	0.226	AB
DES_z	57.75	3.07	19.496	0.058	AB
PanSTARRS_y	92.19	12.83	18.988	0.151	AB
2MASS_J	587.69	167.61	16.082	0.310	Vega
2MASS_H	63.99	297.86	18.017	5.053	Vega
2MASS_K	-17.86	285.65			Vega
WISE_W1	54.88	10.97	16.853	0.217	Vega
WISE_W2	49.45	16.4	16.326	0.360	Vega
WISE_W3	78.42	79.31	13.990	1.098	Vega
WISE_W4	605.5	507.79	10.325	0.910	Vega

Imaging data

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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})\,	7.817	8.079	8.268
{\rm log}_{10}({\rm SFR})	-2.095	-1.303	-0.391
{\rm log}_{10}({\rm sSFR})	-10.249	-9.372	-8.122
{\rm stellar\ age}	0.222	2.759	5.487

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.371	-0.602	-0.103
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.527	-0.683	0.110

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.230	0.524	1.079
\delta	-0.461	-0.050	0.242
\tau_1/\tau_2	0.579	1.021	1.465
Q_{PAH}	1.447	3.394	5.567
U_{min}	3.022	8.487	16.417
{\rm log}_{10}(\gamma_e)\,	-2.844	-1.825	-0.741

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-0.802	0.038	0.336
{\rm log}_{10}(\tau_{AGN})\,	1.114	1.534	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.948	-1.733	-1.172
0.03-0.10 Gyr	-2.178	-1.268	-0.245
0.10-0.33 Gyr	-2.082	-1.110	-0.525
0.33-1.06 Gyr	-3.830	-1.516	-1.051
1.06-3.47 Gyr	-5.106	-2.204	-1.540
3.47-11.31 Gyr	-5.944	-2.476	-1.755
11.31-12.57 Gyr	-6.011	-2.471	-1.665

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.731	9.153	9.395
{\rm log}_{10}({\rm SFR})	-0.129	0.205	0.540
{\rm log}_{10}({\rm sSFR})	-9.385	-8.914	-8.230
{\rm stellar\ age}	3.865	6.773	9.459

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.409	-0.495	-0.034
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.112	0.288	0.411

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.242	0.431	0.679
\delta	-0.701	-0.424	-0.200
\tau_1/\tau_2	0.551	1.107	1.623
Q_{PAH}	0.935	2.433	4.512
U_{min}	3.190	9.120	17.370
{\rm log}_{10}(\gamma_e)\,	-3.095	-1.861	-0.594

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.836	-1.959	-1.068
{\rm log}_{10}(\tau_{AGN})\,	1.095	1.501	1.908

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.501	-0.620	-0.214
0.03-0.10 Gyr	-0.009	0.340	0.688
0.10-0.33 Gyr	-3.526	-1.880	-0.735
0.33-1.06 Gyr	-5.410	-2.121	-1.087
1.06-3.47 Gyr	-3.600	-1.466	-0.817
3.47-11.31 Gyr	-2.262	-0.957	-0.554
11.31-12.57 Gyr	-1.977	-0.695	0.224