2025aczp results

2025aczp results

Information

Transient

Name:	`AT2025aczp`
Right ascension:	`5h34m45.47s`
Declination:	`-50d11m39.34s`
Discovery Date:	`Nov. 11, 2025, 2:01 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.032`

Host

Name:	`468987`
Right ascension:	`5h34m44.66s`
Declination:	`-50d11m32.06s`
Redshift:	`0.052630`
Photometric Redshift:	`None`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV GALEX_FUV DES_g DES_r DES_z	PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	5.99
Transient MWEBV	processed	0.11
Host match	processed	4.23
Host information	processed	0.13
Host MWEBV	processed	0.04
Global aperture construction	processed	0.67
Global aperture photometry	processed	2.73
Validate global photometry	processed	9.3
Global host SED inference	processed	402.9
Local aperture photometry	processed	2.66
Validate local photometry	processed	0.02
Local host SED inference	processed	532.99

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	5h34m45.47s, -50d11m39.34s
semi major axis, semi minor axis (arcsec):	1.95, 1.95
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	241.48	0.42	17.943	0.002	AB
DES_r	407.19	0.71	17.376	0.002	AB
DES_z	562.87	2.38	17.024	0.005	AB

Aperture details

RA, DEC (J2000):	5h34m44.86s, -50d11m33.90s
semi major axis, semi minor axis (arcsec):	16.32, 8.69
angle (degrees, anti-clockwise from east):	43.54

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	57.1	5.75	19.508	0.109	AB
GALEX_NUV	123.73	5.07	18.669	0.044	AB
DES_g	1429.66	1.12	16.012	0.001	AB
DES_r	2831.7	1.98	15.270	0.001	AB
DES_z	4465.27	6.97	14.775	0.002	AB
2MASS_K	7511.67	506.61	12.373	0.073	Vega
WISE_W1	4112.3	27.16	12.166	0.007	Vega
WISE_W2	2991.77	30.67	11.871	0.011	Vega
WISE_W3	17370.94	106.52	8.126	0.007	Vega
WISE_W4	29874.63	1173.06	6.092	0.043	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.504	9.730	9.869
{\rm log}_{10}({\rm SFR})	-0.945	-0.230	0.471
{\rm log}_{10}({\rm sSFR})	-10.733	-9.960	-9.159
{\rm stellar\ age}	3.574	7.034	9.250

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.721	-1.276	-0.588
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.826	-0.875	0.249

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.154	0.493	0.897
\delta	-0.631	-0.257	0.060
\tau_1/\tau_2	0.704	1.064	1.454
Q_{PAH}	0.619	1.879	4.091
U_{min}	2.988	8.382	15.438
{\rm log}_{10}(\gamma_e)\,	-3.257	-2.042	-0.655

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.117	-1.724	-0.526
{\rm log}_{10}(\tau_{AGN})\,	0.914	1.418	1.891

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.887	-0.306	0.217
0.03-0.10 Gyr	-1.336	-0.245	0.554
0.10-0.33 Gyr	-1.400	-0.462	0.244
0.33-1.08 Gyr	-1.626	-0.621	-0.027
1.08-3.57 Gyr	-1.654	-0.516	-0.073
3.57-11.75 Gyr	-1.279	-0.280	-0.006
11.75-13.05 Gyr	-1.171	-0.135	0.593

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.534	10.644	10.787
{\rm log}_{10}({\rm SFR})	0.345	0.629	0.930
{\rm log}_{10}({\rm sSFR})	-10.358	-10.002	-9.689
{\rm stellar\ age}	5.220	6.710	8.043

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.109	-0.574	-0.193
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.878	-0.737	0.267

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.433	0.653	0.879
\delta	-0.349	-0.146	0.033
\tau_1/\tau_2	0.623	0.964	1.298
Q_{PAH}	0.761	1.578	2.955
U_{min}	2.650	7.483	14.339
{\rm log}_{10}(\gamma_e)\,	-3.369	-2.274	-1.593

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.022	-1.642	-1.255
{\rm log}_{10}(\tau_{AGN})\,	1.026	1.409	1.771

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.383	0.744	1.001
0.03-0.10 Gyr	0.044	0.542	0.960
0.10-0.33 Gyr	0.075	0.535	0.874
0.33-1.08 Gyr	0.016	0.591	0.879
1.08-3.57 Gyr	0.332	0.743	0.963
3.57-11.75 Gyr	0.363	0.698	0.919
11.75-13.05 Gyr	0.088	0.733	1.276