2026btj

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Information

Transient

Name: AT2026btj
Right ascension: 14h28m06.80s
Declination: -1d06m01.96s
Discovery Date: Jan. 7, 2026, 9:36 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.037

Host

Name: 3304106
Right ascension: 14h28m06.96s
Declination: -1d06m02.56s
Redshift: None
Photometric Redshift: 0.073

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	21.34
Transient MWEBV	processed	0.04
Host match	processed	4.21
Host information	processed	0.06
Host MWEBV	processed	0.06
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.35
Validate global photometry	processed	18.98
Global host SED inference	processed	412.18
Local aperture photometry	processed	6.07
Validate local photometry	processed	0.03
Local host SED inference	processed	405.32

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) = 14h28m06.80s, -1d06m01.96s
semi major axis, semi minor axis (arcsec) = 1.44, 1.44
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	74.99	2.3	19.212	0.033	AB
DES_g	79.23	0.55	19.153	0.008	AB
PanSTARRS_g	81.72	0.37	19.119	0.005	AB
SDSS_r	115.32	2.85	18.745	0.027	AB
PanSTARRS_r	134.01	0.52	18.582	0.004	AB
DES_r	139.35	0.97	18.540	0.008	AB
SDSS_i	173.45	3.59	18.302	0.022	AB
PanSTARRS_i	185.2	0.44	18.231	0.003	AB
PanSTARRS_z	204.73	0.86	18.122	0.005	AB
SDSS_z	201.47	5.0	18.139	0.027	AB
DES_z	221.45	3.09	18.037	0.015	AB
PanSTARRS_y	237.23	1.95	17.962	0.009	AB

Aperture details

RA, DEC (J2000) = 14h28m06.88s, -1d06m02.48s
semi major axis, semi minor axis (arcsec) = 5.57, 4.4
angle (degrees, anti-clockwise from east) = -43.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	17.07	1.1	20.820	0.070	AB
GALEX_NUV	30.98	0.88	20.172	0.031	AB
SDSS_u	98.65	4.12	18.915	0.045	AB
SDSS_g	276.99	4.64	17.794	0.018	AB
DES_g	283.33	1.09	17.769	0.004	AB
PanSTARRS_g	288.13	1.13	17.751	0.004	AB
SDSS_r	452.71	5.89	17.260	0.014	AB
PanSTARRS_r	467.52	1.62	17.225	0.004	AB
DES_r	497.21	1.9	17.159	0.004	AB
SDSS_i	630.62	7.54	16.901	0.013	AB
PanSTARRS_i	632.7	1.35	16.897	0.002	AB
PanSTARRS_z	720.5	2.81	16.756	0.004	AB
SDSS_z	748.67	13.7	16.714	0.020	AB
DES_z	754.99	5.88	16.705	0.008	AB
PanSTARRS_y	824.75	6.56	16.609	0.009	AB
2MASS_J	790.39	160.69	15.760	0.221	Vega
2MASS_H	1292.1	223.05	14.754	0.187	Vega
2MASS_K	1194.47	287.65	14.369	0.261	Vega
WISE_W1	453.48	13.34	14.560	0.032	Vega
WISE_W2	296.42	17.28	14.381	0.063	Vega
WISE_W3	921.4	59.35	11.315	0.070	Vega
WISE_W4	1024.78	386.63	9.753	0.410	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.478	9.626	9.765
{\rm log}_{10}({\rm SFR})	-1.007	-0.545	-0.080
{\rm log}_{10}({\rm sSFR})	-10.686	-10.163	-9.681
{\rm stellar\ age}	4.610	6.637	8.077

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.531	-1.004	-0.583
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.614	-0.622	0.105

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.264	0.549	0.868
\delta	-0.689	-0.230	0.160
\tau_1/\tau_2	0.709	1.036	1.380
Q_{PAH}	0.920	2.677	4.909
U_{min}	2.859	7.634	14.035
{\rm log}_{10}(\gamma_e)\,	-3.270	-2.383	-1.232

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.527	-1.496	-0.577
{\rm log}_{10}(\tau_{AGN})\,	0.958	1.436	1.938

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.958	-0.666	-0.399
0.03-0.10 Gyr	-1.110	-0.513	0.034
0.10-0.33 Gyr	-1.089	-0.371	0.096
0.33-1.07 Gyr	-1.046	-0.385	0.004
1.07-3.51 Gyr	-0.826	-0.348	-0.095
3.51-11.51 Gyr	-0.759	-0.306	-0.077
11.51-12.79 Gyr	-0.937	-0.257	0.304

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.080	10.130	10.207
{\rm log}_{10}({\rm SFR})	0.056	0.320	0.579
{\rm log}_{10}({\rm sSFR})	-10.083	-9.813	-9.551
{\rm stellar\ age}	6.637	7.338	8.939

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.848	-0.603	-0.467
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.096	0.330	0.447

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.149	0.218	0.357
\delta	-0.901	-0.695	-0.411
\tau_1/\tau_2	0.736	1.090	1.423
Q_{PAH}	0.661	1.495	2.605
U_{min}	2.469	6.683	13.388
{\rm log}_{10}(\gamma_e)\,	-3.179	-2.358	-1.623

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.167	-3.009	-2.100
{\rm log}_{10}(\tau_{AGN})\,	1.038	1.503	1.938

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.552	-0.310	-0.165
0.03-0.10 Gyr	0.157	0.453	0.727
0.10-0.33 Gyr	-0.346	0.139	0.396
0.33-1.07 Gyr	-0.675	-0.170	0.057
1.07-3.51 Gyr	-0.586	-0.076	0.181
3.51-11.51 Gyr	0.063	0.264	0.377
11.51-12.79 Gyr	-0.060	0.398	0.961