2026anh

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Information

Transient

Name: AT2026anh
Right ascension: 8h28m26.45s
Declination: 17d55m49.57s
Discovery Date: Jan. 17, 2026, 8:50 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name:
Right ascension: 8h28m26.39s
Declination: 17d55m51.12s
Redshift: None
Photometric Redshift: 0.083

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.91
Transient MWEBV	processed	0.04
Host match	processed	5.26
Host information	processed	0.17
Host MWEBV	processed	0.03
Global aperture construction	processed	0.65
Global aperture photometry	processed	6.94
Validate global photometry	processed	17.5
Global host SED inference	processed	503.39
Local aperture photometry	processed	6.64
Validate local photometry	processed	0.03
Local host SED inference	processed	459.73

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) = 8h28m26.45s, 17d55m49.57s
semi major axis, semi minor axis (arcsec) = 1.28, 1.28
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	72.81	0.46	19.245	0.007	AB
PanSTARRS_r	113.36	0.35	18.764	0.003	AB
DES_r	179.51	1.25	18.265	0.008	AB
SDSS_i	223.03	4.0	18.029	0.019	AB
PanSTARRS_i	167.73	0.43	18.338	0.003	AB
PanSTARRS_z	213.83	0.85	18.075	0.004	AB
DES_z	334.36	3.31	17.589	0.011	AB
PanSTARRS_y	256.43	2.16	17.878	0.009	AB

Aperture details

RA, DEC (J2000) = 8h28m26.38s, 17d55m51.36s
semi major axis, semi minor axis (arcsec) = 7.14, 6.37
angle (degrees, anti-clockwise from east) = -129.02

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.75	1.93	22.464	0.560	AB
GALEX_NUV	5.48	2.63	22.052	0.521	AB
SDSS_u	71.05	5.24	19.271	0.080	AB
SDSS_g	504.37	6.12	17.143	0.013	AB
DES_g	565.54	1.36	17.019	0.003	AB
PanSTARRS_g	574.25	1.51	17.002	0.003	AB
SDSS_r	1231.53	9.58	16.174	0.008	AB
PanSTARRS_r	1254.97	1.61	16.153	0.001	AB
DES_r	1372.16	3.54	16.056	0.003	AB
SDSS_i	1837.06	12.26	15.740	0.007	AB
PanSTARRS_i	1804.95	2.12	15.759	0.001	AB
PanSTARRS_z	2342.19	4.3	15.476	0.002	AB
SDSS_z	2416.17	21.06	15.442	0.009	AB
DES_z	2550.46	9.24	15.383	0.004	AB
PanSTARRS_y	2838.86	11.22	15.267	0.004	AB
WISE_W1	1574.1	27.49	13.208	0.019	Vega
WISE_W2	921.59	32.51	13.150	0.038	Vega
WISE_W3	-28.53	120.77			Vega
WISE_W4	330.15	511.77	10.983	1.683	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})\,	9.772	9.895	9.976
{\rm log}_{10}({\rm SFR})	-0.472	0.027	0.430
{\rm log}_{10}({\rm sSFR})	-10.404	-9.911	-9.375
{\rm stellar\ age}	5.352	6.915	8.380

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.457	-0.093	0.107
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.512	-0.761	-0.027

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.306	0.626	1.054
\delta	-0.772	-0.401	-0.077
\tau_1/\tau_2	0.715	1.054	1.412
Q_{PAH}	0.998	2.665	4.908
U_{min}	2.903	8.151	15.137
{\rm log}_{10}(\gamma_e)\,	-3.265	-1.898	-0.694

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.828	-1.575	-0.268
{\rm log}_{10}(\tau_{AGN})\,	1.047	1.545	2.020

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.446	-0.006	0.340
0.03-0.10 Gyr	-0.565	0.011	0.479
0.10-0.33 Gyr	-0.809	-0.270	0.197
0.33-1.07 Gyr	-0.843	-0.331	0.051
1.07-3.49 Gyr	-0.672	-0.161	0.114
3.49-11.40 Gyr	-0.376	-0.030	0.145
11.40-12.66 Gyr	-0.545	0.053	0.611

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.717	10.897	10.979
{\rm log}_{10}({\rm SFR})	-3.871	-1.295	-0.016
{\rm log}_{10}({\rm sSFR})	-14.724	-12.167	-10.841
{\rm stellar\ age}	4.523	7.282	10.009

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.475	-1.107	-0.859
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.420	-0.532	0.199

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.450	0.594	0.774
\delta	-0.941	-0.819	-0.646
\tau_1/\tau_2	0.553	0.975	1.409
Q_{PAH}	0.301	1.079	3.196
U_{min}	3.485	10.314	18.265
{\rm log}_{10}(\gamma_e)\,	-2.533	-1.189	-0.513

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.434	-3.450	-2.484
{\rm log}_{10}(\tau_{AGN})\,	1.096	1.602	1.964

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.193	-2.099	-0.523
0.03-0.10 Gyr	-4.548	-1.412	0.102
0.10-0.33 Gyr	-3.612	-0.841	0.558
0.33-1.07 Gyr	-2.616	-0.408	0.677
1.07-3.49 Gyr	-1.281	0.724	1.318
3.49-11.40 Gyr	-0.650	0.969	1.231
11.40-12.66 Gyr	-1.925	0.806	1.949