2025zyz

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Information

Transient

Name: AT2025zyz
Right ascension: 3h30m39.44s
Declination: -25d27m34.61s
Discovery Date: Sept. 11, 2025, 2:18 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name:
Right ascension: 3h30m39.48s
Declination: -25d27m41.70s
Redshift: None
Photometric Redshift: 0.087

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	5.46
Transient MWEBV	processed	0.05
Host match	processed	5.65
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.39
Validate global photometry	processed	12.99
Global host SED inference	processed	420.44
Local aperture photometry	processed	5.12
Validate local photometry	processed	0.02
Local host SED inference	processed	496.59

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) = 3h30m39.44s, -25d27m34.61s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
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	3.33	0.08	22.594	0.028	AB
PanSTARRS_r	6.4	0.48	21.885	0.082	AB
DES_r	6.07	0.13	21.942	0.022	AB
PanSTARRS_i	7.92	0.53	21.653	0.073	AB
PanSTARRS_z	9.98	0.89	21.402	0.097	AB
PanSTARRS_y	11.09	2.26	21.288	0.221	AB

Aperture details

RA, DEC (J2000) = 3h30m39.47s, -25d27m41.46s
semi major axis, semi minor axis (arcsec) = 13.12, 9.68
angle (degrees, anti-clockwise from east) = -8.41

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	42.09	6.22	19.840	0.161	AB
GALEX_NUV	39.24	4.22	19.916	0.117	AB
DES_g	437.49	0.88	17.298	0.002	AB
PanSTARRS_g	445.28	3.05	17.278	0.007	AB
PanSTARRS_r	708.42	4.45	16.774	0.007	AB
DES_r	817.68	1.32	16.619	0.002	AB
PanSTARRS_i	937.39	4.91	16.470	0.006	AB
PanSTARRS_z	1215.57	8.19	16.188	0.007	AB
PanSTARRS_y	1319.39	20.64	16.099	0.017	AB
2MASS_J	1521.67	273.33	15.049	0.195	Vega
2MASS_H	1789.73	431.81	14.400	0.262	Vega
2MASS_K	1286.36	555.68	14.289	0.469	Vega
WISE_W1	752.46	19.54	14.010	0.028	Vega
WISE_W2	443.04	18.97	13.945	0.046	Vega
WISE_W3	783.57	80.32	11.491	0.111	Vega
WISE_W4	1006.52	355.27	9.773	0.383	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})\,	8.366	8.582	8.724
{\rm log}_{10}({\rm SFR})	-2.117	-1.404	-0.385
{\rm log}_{10}({\rm sSFR})	-10.700	-10.009	-8.854
{\rm stellar\ age}	0.945	5.710	7.378

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.504	-0.823	-0.186
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.508	-0.754	0.018

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.631	1.190	1.984
\delta	-0.021	0.177	0.324
\tau_1/\tau_2	0.684	1.077	1.454
Q_{PAH}	1.035	2.808	5.099
U_{min}	3.105	8.215	15.699
{\rm log}_{10}(\gamma_e)\,	-2.915	-1.828	-0.805

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.885	-0.175	0.310
{\rm log}_{10}(\tau_{AGN})\,	1.089	1.508	1.875

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.966	-1.811	-1.159
0.03-0.10 Gyr	-2.189	-1.364	-0.275
0.10-0.33 Gyr	-2.145	-1.369	-0.555
0.33-1.07 Gyr	-2.818	-1.463	-0.929
1.07-3.48 Gyr	-3.160	-1.412	-1.096
3.48-11.35 Gyr	-3.983	-1.470	-1.169
11.35-12.62 Gyr	-3.645	-1.566	-0.869

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.513	10.555	10.602
{\rm log}_{10}({\rm SFR})	-0.439	-0.183	0.113
{\rm log}_{10}({\rm sSFR})	-11.022	-10.760	-10.440
{\rm stellar\ age}	6.851	7.474	8.714

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.603	-0.483	-0.391
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.612	-0.582	0.210

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.027	0.066	0.125
\delta	-0.498	-0.075	0.229
\tau_1/\tau_2	0.630	0.995	1.373
Q_{PAH}	1.083	3.010	5.134
U_{min}	2.398	7.538	14.844
{\rm log}_{10}(\gamma_e)\,	-1.976	-0.829	-0.249

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.136	-2.932	-1.896
{\rm log}_{10}(\tau_{AGN})\,	1.219	1.718	2.003

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.783	-0.419	-0.216
0.03-0.10 Gyr	-0.511	-0.114	0.246
0.10-0.33 Gyr	-0.394	0.039	0.337
0.33-1.07 Gyr	-0.394	0.030	0.263
1.07-3.48 Gyr	-0.106	0.320	0.597
3.48-11.35 Gyr	0.571	0.746	0.835
11.35-12.62 Gyr	0.348	0.840	1.326