2025agvd

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Information

Transient

Name: AT2025agvd
Right ascension: 2h58m00.68s
Declination: -27d00m03.04s
Discovery Date: Dec. 14, 2025, 8:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name:
Right ascension: 2h58m00.86s
Declination: -27d00m03.32s
Redshift: None
Photometric Redshift: 0.086

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	6.56
Transient MWEBV	processed	0.1
Host match	processed	6.91
Host information	processed	0.17
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.1
Validate global photometry	processed	12.14
Global host SED inference	processed	458.83
Local aperture photometry	processed	5.04
Validate local photometry	processed	0.04
Local host SED inference	processed	475.25

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) = 2h58m00.68s, -27d00m03.04s
semi major axis, semi minor axis (arcsec) = 1.25, 1.25
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	17.58	0.13	20.788	0.008	AB
PanSTARRS_r	23.57	0.46	20.469	0.021	AB
DES_r	23.45	0.23	20.475	0.011	AB
PanSTARRS_i	27.15	0.41	20.315	0.016	AB
PanSTARRS_z	29.43	0.83	20.228	0.031	AB
DES_z	25.8	0.7	20.371	0.030	AB
PanSTARRS_y	30.97	2.19	20.173	0.077	AB

Aperture details

RA, DEC (J2000) = 2h58m00.84s, -27d00m03.16s
semi major axis, semi minor axis (arcsec) = 6.56, 2.91
angle (degrees, anti-clockwise from east) = -75.55

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	22.18	3.28	20.535	0.160	AB
GALEX_NUV	24.23	2.09	20.439	0.093	AB
DES_g	101.17	0.34	18.887	0.004	AB
PanSTARRS_g	95.19	1.15	18.954	0.013	AB
PanSTARRS_r	125.41	1.56	18.654	0.014	AB
DES_r	141.31	0.62	18.525	0.005	AB
PanSTARRS_i	148.46	1.38	18.471	0.010	AB
PanSTARRS_z	160.11	2.83	18.389	0.019	AB
DES_z	171.95	1.93	18.311	0.012	AB
PanSTARRS_y	171.06	7.5	18.317	0.048	AB
WISE_W1	66.92	8.85	16.637	0.144	Vega
WISE_W2	35.13	12.38	16.697	0.383	Vega
WISE_W3	72.65	43.3	14.073	0.647	Vega
WISE_W4	27.51	238.92	13.681	9.430	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})\,	8.352	8.586	8.756
{\rm log}_{10}({\rm SFR})	-2.062	-0.963	0.103
{\rm log}_{10}({\rm sSFR})	-10.648	-9.584	-8.231
{\rm stellar\ age}	0.316	3.306	6.298

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.778	-1.465	-0.901
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.471	-0.776	-0.065

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.122	0.449	0.926
\delta	-0.691	-0.270	0.114
\tau_1/\tau_2	0.683	1.120	1.541
Q_{PAH}	1.191	3.000	5.480
U_{min}	3.255	9.139	16.996
{\rm log}_{10}(\gamma_e)\,	-2.890	-1.768	-0.752

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.238	-0.415	0.108
{\rm log}_{10}(\tau_{AGN})\,	1.067	1.414	1.931

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.969	-1.808	-1.229
0.03-0.10 Gyr	-2.239	-0.844	0.262
0.10-0.33 Gyr	-1.932	-0.737	-0.025
0.33-1.07 Gyr	-3.575	-1.173	-0.675
1.07-3.48 Gyr	-4.294	-1.571	-0.960
3.48-11.37 Gyr	-5.194	-1.960	-1.189
11.37-12.63 Gyr	-5.354	-1.879	-0.978

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.269	9.408	9.558
{\rm log}_{10}({\rm SFR})	-0.659	-0.198	0.191
{\rm log}_{10}({\rm sSFR})	-10.128	-9.634	-9.203
{\rm stellar\ age}	3.290	5.349	6.871

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.487	-0.896	-0.384
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.457	0.088	0.388

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.048	0.197	0.430
\delta	-0.499	0.004	0.255
\tau_1/\tau_2	0.691	1.087	1.495
Q_{PAH}	0.742	2.427	4.608
U_{min}	2.679	8.292	16.133
{\rm log}_{10}(\gamma_e)\,	-2.587	-1.363	-0.317

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.379	-1.476	-0.809
{\rm log}_{10}(\tau_{AGN})\,	1.333	1.720	1.994

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.765	-1.021	-0.584
0.03-0.10 Gyr	-0.585	-0.064	0.343
0.10-0.33 Gyr	-0.196	0.137	0.441
0.33-1.07 Gyr	-0.952	-0.325	-0.024
1.07-3.48 Gyr	-1.128	-0.528	-0.272
3.48-11.37 Gyr	-1.271	-0.648	-0.364
11.37-12.63 Gyr	-1.501	-0.606	-0.055