2026to

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Information

Transient

Name: AT2026to
Right ascension: 15h45m50.54s
Declination: 0d47m42.35s
Discovery Date: Jan. 9, 2026, 12:32 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.082

Host

Name:
Right ascension: 15h45m50.73s
Declination: 0d47m51.36s
Redshift: 0.054271
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	18.82
Transient MWEBV	processed	0.16
Host match	processed	7.04
Host information	processed	0.05
Host MWEBV	processed	0.07
Global aperture construction	processed	0.61
Global aperture photometry	processed	6.7
Validate global photometry	processed	19.06
Global host SED inference	processed	389.56
Local aperture photometry	processed	6.37
Validate local photometry	processed	0.03
Local host SED inference	processed	447.52

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) = 15h45m50.54s, 0d47m42.35s
semi major axis, semi minor axis (arcsec) = 1.9, 1.9
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	5.01	1.21	22.151	0.263	AB
SDSS_g	8.76	0.9	21.543	0.111	AB
DES_g	9.8	0.19	21.422	0.021	AB
PanSTARRS_g	6.71	0.43	21.833	0.070	AB
SDSS_r	16.4	1.3	20.863	0.086	AB
PanSTARRS_r	15.93	0.48	20.894	0.033	AB
DES_r	17.77	0.34	20.776	0.020	AB
SDSS_i	21.23	1.78	20.583	0.091	AB
PanSTARRS_i	20.43	0.51	20.624	0.027	AB
PanSTARRS_z	29.33	1.18	20.232	0.044	AB
SDSS_z	20.34	4.87	20.629	0.260	AB
DES_z	28.02	1.21	20.281	0.047	AB
PanSTARRS_y	31.45	3.01	20.156	0.104	AB

Aperture details

RA, DEC (J2000) = 15h45m50.75s, 0d47m51.57s
semi major axis, semi minor axis (arcsec) = 24.28, 13.15
angle (degrees, anti-clockwise from east) = -85.45

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	70.29	2.9	19.283	0.045	AB
GALEX_NUV	103.91	1.5	18.858	0.016	AB
DES_g	1447.14	2.07	15.999	0.002	AB
PanSTARRS_r	2664.48	4.5	15.336	0.002	AB
DES_r	2865.96	3.96	15.257	0.001	AB
PanSTARRS_i	3761.88	4.89	14.961	0.001	AB
PanSTARRS_z	4762.86	11.24	14.705	0.003	AB
SDSS_z	4481.04	47.7	14.772	0.012	AB
PanSTARRS_y	5457.09	27.99	14.558	0.006	AB
2MASS_H	9209.02	606.73	12.622	0.072	Vega
WISE_W1	3593.82	58.55	12.312	0.018	Vega
WISE_W2	2338.48	54.86	12.139	0.025	Vega
WISE_W3	6523.86	214.93	9.190	0.036	Vega
WISE_W4	7109.84	1370.09	7.650	0.209	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})\,	8.412	8.548	8.669
{\rm log}_{10}({\rm SFR})	-1.930	-1.413	-0.777
{\rm log}_{10}({\rm sSFR})	-10.488	-9.978	-9.338
{\rm stellar\ age}	5.355	6.923	8.386

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.125	-0.474	-0.101
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.739	0.002	0.380

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.208	0.568	1.105
\delta	-0.454	-0.078	0.209
\tau_1/\tau_2	0.631	0.998	1.359
Q_{PAH}	1.063	2.831	5.067
U_{min}	2.860	7.790	14.909
{\rm log}_{10}(\gamma_e)\,	-3.000	-1.942	-0.834

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.316	-0.382	0.157
{\rm log}_{10}(\tau_{AGN})\,	1.134	1.430	1.871

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.965	-1.502	-0.983
0.03-0.10 Gyr	-2.058	-1.414	-0.707
0.10-0.33 Gyr	-2.342	-1.632	-1.086
0.33-1.08 Gyr	-2.457	-1.689	-1.251
1.08-3.56 Gyr	-2.205	-1.522	-1.246
3.56-11.73 Gyr	-1.771	-1.378	-1.180
11.73-13.03 Gyr	-1.992	-1.356	-0.791

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.735	10.800	10.885
{\rm log}_{10}({\rm SFR})	0.232	0.528	0.821
{\rm log}_{10}({\rm sSFR})	-10.579	-10.288	-9.970
{\rm stellar\ age}	7.180	7.996	10.718

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.611	-0.430	-0.297
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.621	-0.731	0.239

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.130	0.208	0.322
\delta	-0.683	-0.417	-0.151
\tau_1/\tau_2	0.618	1.018	1.419
Q_{PAH}	0.799	1.768	3.141
U_{min}	2.412	7.025	14.501
{\rm log}_{10}(\gamma_e)\,	-3.274	-2.288	-1.305

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.005	-1.619	-1.299
{\rm log}_{10}(\tau_{AGN})\,	1.227	1.598	1.864

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.287	-0.159	0.306
0.03-0.10 Gyr	0.286	0.647	0.973
0.10-0.33 Gyr	-0.086	0.478	0.832
0.33-1.08 Gyr	-0.450	0.265	0.588
1.08-3.56 Gyr	-0.565	0.345	0.706
3.56-11.73 Gyr	0.516	0.918	1.044
11.73-13.03 Gyr	0.663	1.186	1.865