2026atb

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Information

Transient

Name: AT2026atb
Right ascension: 14h34m27.30s
Declination: 21d56m58.85s
Discovery Date: Jan. 19, 2026, 11:49 a.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name:
Right ascension: 14h34m28.51s
Declination: 21d56m56.52s
Redshift: 0.017941
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	14.12
Transient MWEBV	processed	0.03
Host match	processed	5.52
Host information	processed	0.08
Host MWEBV	processed	0.03
Global aperture construction	processed	0.61
Global aperture photometry	processed	5.1
Validate global photometry	processed	16.33
Global host SED inference	processed	408.44
Local aperture photometry	processed	4.8
Validate local photometry	processed	0.03
Local host SED inference	processed	446.9

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) = 14h34m27.30s, 21d56m58.85s
semi major axis, semi minor axis (arcsec) = 5.49, 5.49
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.66	1.77	22.839	0.725	AB
GALEX_NUV	4.86	2.03	22.183	0.453	AB
SDSS_u	-7.9	3.69			AB
SDSS_g	9.75	1.74	21.427	0.193	AB
PanSTARRS_g	12.8	1.25	21.132	0.106	AB
SDSS_r	16.88	2.5	20.832	0.161	AB
PanSTARRS_r	18.42	1.39	20.737	0.082	AB
SDSS_i	15.51	4.18	20.924	0.293	AB
PanSTARRS_i	27.1	2.0	20.317	0.080	AB
PanSTARRS_z	10.12	4.41	21.387	0.473	AB
SDSS_z	41.69	12.01	19.850	0.313	AB
PanSTARRS_y	54.47	11.97	19.560	0.239	AB
2MASS_J	-42.42	113.62			Vega
2MASS_H	-64.28	205.02			Vega
2MASS_K	95.2	198.04	17.116	2.258	Vega

Aperture details

RA, DEC (J2000) = 14h34m28.48s, 21d56m56.63s
semi major axis, semi minor axis (arcsec) = 11.06, 9.01
angle (degrees, anti-clockwise from east) = -100.51

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	31.97	6.15	20.138	0.209	AB
GALEX_NUV	54.31	5.38	19.563	0.108	AB
SDSS_u	67.13	7.01	19.333	0.113	AB
SDSS_g	280.19	4.98	17.781	0.019	AB
PanSTARRS_g	291.95	2.2	17.737	0.008	AB
SDSS_r	416.82	6.48	17.350	0.017	AB
PanSTARRS_r	405.51	2.51	17.380	0.007	AB
SDSS_i	429.42	8.82	17.318	0.022	AB
PanSTARRS_i	480.51	3.58	17.196	0.008	AB
PanSTARRS_z	472.42	7.97	17.214	0.018	AB
SDSS_z	641.65	22.39	16.882	0.038	AB
PanSTARRS_y	499.82	21.06	17.153	0.046	AB
2MASS_J	280.83	213.73	16.884	0.826	Vega
2MASS_H	473.36	384.56	15.844	0.882	Vega
2MASS_K	471.56	372.4	15.378	0.857	Vega
WISE_W1	198.76	15.52	15.455	0.085	Vega
WISE_W2	99.77	17.93	15.564	0.195	Vega
WISE_W3	0.5	60.1	19.484	131.196	Vega
WISE_W4	528.67	327.63	10.472	0.673	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})\,	7.293	7.668	7.849
{\rm log}_{10}({\rm SFR})	-2.244	-1.681	-1.218
{\rm log}_{10}({\rm sSFR})	-10.074	-9.382	-8.516
{\rm stellar\ age}	2.081	6.315	8.031

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.165	-0.533	-0.101
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.615	-0.264	-0.016

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.942	1.355	1.759
\delta	-0.213	0.068	0.232
\tau_1/\tau_2	0.611	1.007	1.417
Q_{PAH}	0.428	1.610	4.323
U_{min}	2.918	8.089	15.094
{\rm log}_{10}(\gamma_e)\,	-3.305	-2.412	-1.268

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.099	-2.270	-0.810
{\rm log}_{10}(\tau_{AGN})\,	0.927	1.362	1.898

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.130	-1.556	-1.209
0.03-0.10 Gyr	-2.735	-1.883	-1.197
0.10-0.33 Gyr	-3.384	-2.431	-1.834
0.33-1.10 Gyr	-3.852	-2.502	-1.994
1.10-3.66 Gyr	-4.063	-2.431	-2.042
3.66-12.17 Gyr	-3.894	-2.384	-2.055
12.17-13.52 Gyr	-3.921	-2.419	-1.769

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.717	8.797	8.885
{\rm log}_{10}({\rm SFR})	-1.719	-1.505	-1.309
{\rm log}_{10}({\rm sSFR})	-10.545	-10.302	-10.092
{\rm stellar\ age}	7.521	8.479	11.119

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.694	-1.456	-1.226
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.739	-1.515	-1.003

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.035	0.079	0.151
\delta	-0.680	-0.272	0.107
\tau_1/\tau_2	0.701	1.120	1.514
Q_{PAH}	0.610	1.586	3.398
U_{min}	3.242	8.234	14.724
{\rm log}_{10}(\gamma_e)\,	-2.557	-1.602	-0.654

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.312	-3.314	-2.359
{\rm log}_{10}(\tau_{AGN})\,	0.994	1.509	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.808	-1.569	-1.433
0.03-0.10 Gyr	-1.788	-1.473	-1.222
0.10-0.33 Gyr	-1.992	-1.547	-1.225
0.33-1.10 Gyr	-2.331	-1.762	-1.388
1.10-3.66 Gyr	-2.377	-1.677	-1.340
3.66-12.17 Gyr	-1.492	-1.116	-0.982
12.17-13.52 Gyr	-1.225	-0.762	-0.136