2025zss

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Information

Transient

Name: AT2025zss
Right ascension: 10h04m13.72s
Declination: 0d48m45.29s
Discovery Date: Oct. 7, 2025, 12:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: 154589
Right ascension: 10h04m13.70s
Declination: 0d48m44.82s
Redshift: None
Photometric Redshift: 0.062

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	5.28
Transient MWEBV	processed	0.08
Host match	processed	4.25
Host information	processed	0.1
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	3.97
Validate global photometry	processed	11.16
Global host SED inference	processed	386.96
Local aperture photometry	processed	3.82
Validate local photometry	processed	0.02
Local host SED inference	processed	491.72

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) = 10h04m13.72s, 0d48m45.29s
semi major axis, semi minor axis (arcsec) = 1.68, 1.68
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	299.33	0.44	17.710	0.002	AB
PanSTARRS_r	668.93	0.58	16.837	0.001	AB
PanSTARRS_i	1059.72	0.81	16.337	0.001	AB
PanSTARRS_z	1381.73	1.38	16.049	0.001	AB
PanSTARRS_y	1620.21	2.43	15.876	0.002	AB

Aperture details

RA, DEC (J2000) = 10h04m13.69s, 0d48m45.04s
semi major axis, semi minor axis (arcsec) = 19.18, 6.86
angle (degrees, anti-clockwise from east) = -161.69

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	19.11	1.27	20.697	0.072	AB
GALEX_NUV	31.69	1.1	20.148	0.038	AB
PanSTARRS_g	1372.32	2.59	16.056	0.002	AB
PanSTARRS_r	2700.02	3.19	15.322	0.001	AB
PanSTARRS_i	4112.12	4.17	14.865	0.001	AB
PanSTARRS_z	5101.83	7.73	14.631	0.002	AB
PanSTARRS_y	6317.57	15.53	14.399	0.003	AB
2MASS_J	8958.07	335.26	13.125	0.041	Vega
2MASS_H	10640.33	438.53	12.465	0.045	Vega
2MASS_K	9534.31	539.24	12.114	0.061	Vega
WISE_W1	4712.22	46.33	12.018	0.011	Vega
WISE_W2	2810.55	50.14	11.939	0.019	Vega
WISE_W3	4488.8	156.79	9.596	0.038	Vega
WISE_W4	3977.02	971.96	8.281	0.265	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})\,	10.250	10.426	10.542
{\rm log}_{10}({\rm SFR})	-2.559	-0.718	0.525
{\rm log}_{10}({\rm sSFR})	-12.778	-11.112	-9.833
{\rm stellar\ age}	3.460	7.293	9.507

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.556	-0.830	-0.509
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.667	-0.757	0.087

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.589	0.881	1.572
\delta	-0.872	-0.642	-0.446
\tau_1/\tau_2	0.574	0.994	1.406
Q_{PAH}	0.415	1.986	4.816
U_{min}	2.951	8.612	16.632
{\rm log}_{10}(\gamma_e)\,	-3.281	-1.713	-0.826

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.166	-1.803	-0.414
{\rm log}_{10}(\tau_{AGN})\,	0.995	1.492	1.909

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.271	-1.077	-0.276
0.03-0.10 Gyr	-3.034	-0.748	0.646
0.10-0.33 Gyr	-2.358	-0.472	0.669
0.33-1.08 Gyr	-2.423	-0.348	0.453
1.08-3.54 Gyr	-2.053	0.135	0.639
3.54-11.64 Gyr	-1.357	0.468	0.716
11.64-12.94 Gyr	-1.430	0.515	1.349

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.034	11.071	11.116
{\rm log}_{10}({\rm SFR})	-0.567	-0.299	-0.039
{\rm log}_{10}({\rm sSFR})	-11.662	-11.380	-11.121
{\rm stellar\ age}	7.449	8.048	9.588

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.306	-0.138	-0.004
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.117	-0.510	0.092

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.200	0.289	0.396
\delta	-0.651	-0.315	-0.022
\tau_1/\tau_2	0.513	0.849	1.229
Q_{PAH}	1.364	2.530	4.127
U_{min}	2.178	7.011	14.128
{\rm log}_{10}(\gamma_e)\,	-2.443	-1.670	-0.923

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.506	-3.672	-2.575
{\rm log}_{10}(\tau_{AGN})\,	1.137	1.662	1.979

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.464	-0.172	0.030
0.03-0.10 Gyr	-0.945	-0.391	-0.006
0.10-0.33 Gyr	-0.876	-0.255	0.151
0.33-1.08 Gyr	-0.797	-0.098	0.312
1.08-3.54 Gyr	-0.172	0.555	0.950
3.54-11.64 Gyr	1.049	1.256	1.344
11.64-12.94 Gyr	0.924	1.398	1.926