2025acyj

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Information

Transient

Name: AT2025acyj
Right ascension: 22h01m11.77s
Declination: -3d48m15.13s
Discovery Date: Nov. 10, 2025, 7:50 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.076

Host

Name:
Right ascension: 22h01m11.46s
Declination: -3d48m14.10s
Redshift: None
Photometric Redshift: 0.101

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	18.77
Transient MWEBV	processed	0.05
Host match	processed	5.26
Host information	processed	0.13
Host MWEBV	processed	0.14
Global aperture construction	processed	0.68
Global aperture photometry	processed	6.77
Validate global photometry	processed	18.86
Global host SED inference	processed	721.04
Local aperture photometry	processed	7.28
Validate local photometry	processed	0.03
Local host SED inference	processed	451.11

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) = 22h01m11.77s, -3d48m15.13s
semi major axis, semi minor axis (arcsec) = 1.07, 1.07
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_r	3.66	0.2	22.490	0.058	AB
PanSTARRS_z	6.46	0.67	21.874	0.113	AB
DES_z	7.35	0.44	21.734	0.064	AB
PanSTARRS_y	7.21	1.84	21.755	0.278	AB

Aperture details

RA, DEC (J2000) = 22h01m11.44s, -3d48m13.86s
semi major axis, semi minor axis (arcsec) = 5.98, 5.06
angle (degrees, anti-clockwise from east) = -17.39

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.55	1.37	22.882	0.583	AB
GALEX_NUV	5.51	1.37	22.048	0.270	AB
SDSS_u	59.46	6.41	19.464	0.117	AB
SDSS_g	165.1	3.71	18.356	0.024	AB
DES_g	180.3	0.63	18.260	0.004	AB
PanSTARRS_g	177.21	1.21	18.279	0.007	AB
SDSS_r	372.9	5.68	17.471	0.017	AB
PanSTARRS_r	398.93	1.39	17.398	0.004	AB
DES_r	427.93	1.65	17.322	0.004	AB
SDSS_i	582.07	7.72	16.988	0.014	AB
PanSTARRS_i	584.13	1.67	16.984	0.003	AB
PanSTARRS_z	786.07	3.47	16.661	0.005	AB
SDSS_z	910.89	22.92	16.501	0.027	AB
DES_z	816.56	4.16	16.620	0.006	AB
PanSTARRS_y	901.15	9.37	16.513	0.011	AB
2MASS_J	1041.28	140.26	15.461	0.146	Vega
2MASS_H	1544.45	255.61	14.560	0.180	Vega
2MASS_K	1494.36	255.64	14.126	0.186	Vega
WISE_W1	579.68	17.01	14.293	0.032	Vega
WISE_W2	376.78	21.17	14.121	0.061	Vega
WISE_W3	477.53	68.68	12.028	0.156	Vega
WISE_W4	483.9	443.46	10.568	0.995	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})\,	8.231	8.509	8.719
{\rm log}_{10}({\rm SFR})	-1.416	-0.846	-0.350
{\rm log}_{10}({\rm sSFR})	-9.994	-9.389	-8.590
{\rm stellar\ age}	1.926	5.411	7.053

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.446	-0.740	-0.087
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.440	-0.744	-0.046

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.883	1.409	1.978
\delta	-0.073	0.130	0.290
\tau_1/\tau_2	0.640	0.981	1.344
Q_{PAH}	0.793	2.422	4.869
U_{min}	2.836	8.102	15.402
{\rm log}_{10}(\gamma_e)\,	-2.797	-1.734	-0.587

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.606	-0.443	0.143
{\rm log}_{10}(\tau_{AGN})\,	1.032	1.509	1.969

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.431	-0.735	-0.267
0.03-0.10 Gyr	-1.834	-1.056	-0.414
0.10-0.33 Gyr	-2.009	-1.253	-0.671
0.33-1.06 Gyr	-2.468	-1.401	-0.984
1.06-3.44 Gyr	-2.754	-1.460	-1.130
3.44-11.20 Gyr	-2.887	-1.519	-1.174
11.20-12.44 Gyr	-3.022	-1.578	-0.956

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.689	10.786	10.863
{\rm log}_{10}({\rm SFR})	-1.767	-0.542	0.270
{\rm log}_{10}({\rm sSFR})	-12.753	-11.367	-10.496
{\rm stellar\ age}	7.420	11.272	11.795

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.165	-0.846	-0.590
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.245	-0.106	0.365

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.207	0.368	0.545
\delta	-0.547	-0.103	0.171
\tau_1/\tau_2	0.563	1.050	1.538
Q_{PAH}	0.487	1.522	3.144
U_{min}	3.805	10.622	18.730
{\rm log}_{10}(\gamma_e)\,	-2.852	-1.934	-1.003

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.248	-3.036	-2.032
{\rm log}_{10}(\tau_{AGN})\,	1.234	1.723	2.024

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.857	-3.143	-1.207
0.03-0.10 Gyr	-1.761	-0.403	0.431
0.10-0.33 Gyr	-3.740	-1.469	-0.112
0.33-1.06 Gyr	-5.893	-3.493	-1.087
1.06-3.44 Gyr	-4.043	-2.204	-0.566
3.44-11.20 Gyr	-1.790	0.149	1.001
11.20-12.44 Gyr	0.370	1.897	2.009