2025zzv

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Information

Transient

Name: AT2025zzv
Right ascension: 9h55m11.15s
Declination: 4d28m35.92s
Discovery Date: Oct. 9, 2025, 12:34 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: SDSSJ095511.09+04283
Right ascension: 9h55m11.04s
Declination: 4d28m36.66s
Redshift: None
Photometric Redshift: 0.091

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	2.81
Transient MWEBV	processed	0.07
Host match	processed	4.05
Host information	processed	0.04
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	6.73
Validate global photometry	processed	18.25
Global host SED inference	processed	512.67
Local aperture photometry	processed	6.59
Validate local photometry	processed	0.02
Local host SED inference	processed	556.31

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) = 9h55m11.15s, 4d28m35.92s
semi major axis, semi minor axis (arcsec) = 1.18, 1.18
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	34.83	0.26	20.045	0.008	AB
DES_r	90.18	0.74	19.012	0.009	AB
PanSTARRS_i	89.21	0.52	19.024	0.006	AB
PanSTARRS_z	120.96	0.94	18.693	0.008	AB
DES_z	163.81	2.1	18.364	0.014	AB
PanSTARRS_y	130.89	1.82	18.608	0.015	AB

Aperture details

RA, DEC (J2000) = 9h55m11.08s, 4d28m36.69s
semi major axis, semi minor axis (arcsec) = 5.29, 3.58
angle (degrees, anti-clockwise from east) = -16.35

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.32	0.78	23.596	0.638	AB
GALEX_NUV	1.27	0.35	23.637	0.295	AB
SDSS_u	25.09	3.0	20.401	0.130	AB
SDSS_g	123.88	3.14	18.667	0.027	AB
DES_g	134.61	0.55	18.577	0.004	AB
PanSTARRS_g	144.61	1.38	18.499	0.010	AB
SDSS_r	288.26	4.75	17.751	0.018	AB
PanSTARRS_r	289.72	1.24	17.745	0.005	AB
DES_r	318.86	1.47	17.641	0.005	AB
SDSS_i	417.74	6.07	17.348	0.016	AB
PanSTARRS_i	418.0	1.77	17.347	0.005	AB
PanSTARRS_z	539.23	3.29	17.071	0.007	AB
SDSS_z	548.78	11.34	17.052	0.022	AB
DES_z	565.72	4.01	17.019	0.008	AB
PanSTARRS_y	581.77	6.53	16.988	0.012	AB
2MASS_J	688.82	134.02	15.910	0.211	Vega
2MASS_H	843.26	181.66	15.218	0.234	Vega
2MASS_K	984.35	235.88	14.579	0.260	Vega
WISE_W1	327.15	12.56	14.914	0.042	Vega
WISE_W2	189.23	15.03	14.869	0.086	Vega
WISE_W3	63.83	66.46	14.213	1.130	Vega
WISE_W4	-666.1	343.41			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})\,	9.565	9.685	9.797
{\rm log}_{10}({\rm SFR})	-1.160	-0.518	0.026
{\rm log}_{10}({\rm sSFR})	-10.909	-10.206	-9.594
{\rm stellar\ age}	5.607	6.945	8.816

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.865	-0.383	-0.035
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.817	-1.540	-0.156

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.260	0.518	0.924
\delta	-0.849	-0.493	-0.148
\tau_1/\tau_2	0.739	1.106	1.469
Q_{PAH}	1.268	3.578	5.529
U_{min}	3.226	8.440	15.867
{\rm log}_{10}(\gamma_e)\,	-3.034	-1.656	-0.505

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.019	-0.829	-0.143
{\rm log}_{10}(\tau_{AGN})\,	1.099	1.624	2.032

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.990	-0.405	-0.005
0.03-0.10 Gyr	-1.485	-0.621	0.054
0.10-0.33 Gyr	-1.611	-0.641	-0.130
0.33-1.06 Gyr	-1.407	-0.541	-0.153
1.06-3.47 Gyr	-1.212	-0.390	-0.117
3.47-11.31 Gyr	-0.609	-0.235	-0.042
11.31-12.57 Gyr	-0.737	-0.128	0.529

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.360	10.486	10.537
{\rm log}_{10}({\rm SFR})	-5.731	-2.722	-1.164
{\rm log}_{10}({\rm sSFR})	-16.210	-13.330	-11.579
{\rm stellar\ age}	7.421	11.486	11.933

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.657	-1.312	-1.042
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.575	-0.751	0.095

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.254	0.383	0.514
\delta	-0.814	-0.580	-0.370
\tau_1/\tau_2	0.477	0.967	1.456
Q_{PAH}	1.510	3.687	5.597
U_{min}	3.843	11.114	19.125
{\rm log}_{10}(\gamma_e)\,	-2.670	-1.589	-0.530

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.721	-2.230	-1.469
{\rm log}_{10}(\tau_{AGN})\,	1.138	1.593	1.905

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-7.005	-3.544	-1.593
0.03-0.10 Gyr	-6.528	-3.049	-1.117
0.10-0.33 Gyr	-6.248	-3.260	-1.184
0.33-1.06 Gyr	-6.266	-3.505	-1.257
1.06-3.47 Gyr	-4.505	-2.335	-0.372
3.47-11.31 Gyr	-2.415	-0.356	0.678
11.31-12.57 Gyr	0.086	1.612	1.692