2026bty

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Information

Transient

Name: AT2026bty
Right ascension: 11h20m01.02s
Declination: 2d38m11.80s
Discovery Date: Jan. 23, 2026, 8:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name:
Right ascension: 11h20m00.99s
Declination: 2d38m10.47s
Redshift: None
Photometric Redshift: 0.157

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.54
Transient MWEBV	processed	0.05
Host match	processed	6.94
Host information	processed	0.17
Host MWEBV	processed	0.06
Global aperture construction	processed	0.63
Global aperture photometry	processed	5.07
Validate global photometry	processed	16.97
Global host SED inference	processed	384.06
Local aperture photometry	processed	4.91
Validate local photometry	no valid phot	0.03
Local host SED inference	not processed	None

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) = 11h20m01.02s, 2d38m11.80s
semi major axis, semi minor axis (arcsec) = 0.74, 0.74
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 11h20m00.97s, 2d38m10.85s
semi major axis, semi minor axis (arcsec) = 6.43, 3.69
angle (degrees, anti-clockwise from east) = -49.22

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.24	1.04	22.331	0.266	AB
GALEX_NUV	6.78	0.51	21.822	0.082	AB
SDSS_u	18.26	3.75	20.746	0.223	AB
SDSS_g	59.7	2.52	19.460	0.046	AB
DES_g	54.41	0.46	19.561	0.009	AB
PanSTARRS_g	56.88	1.1	19.513	0.021	AB
SDSS_r	101.33	3.57	18.886	0.038	AB
PanSTARRS_r	104.1	1.53	18.856	0.016	AB
DES_r	102.2	1.17	18.876	0.012	AB
SDSS_i	147.24	5.36	18.480	0.040	AB
PanSTARRS_i	136.13	1.18	18.565	0.009	AB
PanSTARRS_z	170.43	3.33	18.321	0.021	AB
SDSS_z	109.77	18.72	18.799	0.185	AB
DES_z	171.12	2.95	18.317	0.019	AB
PanSTARRS_y	230.79	9.11	17.992	0.043	AB
2MASS_J	448.12	141.42	16.377	0.343	Vega
2MASS_H	374.93	193.36	16.098	0.560	Vega
2MASS_K	-114.44	264.43			Vega
WISE_W1	128.59	12.54	15.928	0.106	Vega
WISE_W2	80.94	13.91	15.791	0.187	Vega
WISE_W3	70.13	80.33	14.111	1.244	Vega
WISE_W4	401.42	396.28	10.771	1.072	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.117	10.179	10.238
{\rm log}_{10}({\rm SFR})	0.137	0.378	0.642
{\rm log}_{10}({\rm sSFR})	-10.059	-9.804	-9.528
{\rm stellar\ age}	5.094	5.968	6.815

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.711	-0.348	-0.143
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.232	0.116	0.287

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.218	0.346	0.545
\delta	-0.722	-0.421	-0.158
\tau_1/\tau_2	0.641	0.983	1.315
Q_{PAH}	0.876	2.308	4.250
U_{min}	2.640	7.640	14.593
{\rm log}_{10}(\gamma_e)\,	-2.769	-1.788	-0.710

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.357	-3.179	-1.949
{\rm log}_{10}(\tau_{AGN})\,	1.007	1.498	1.915

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.003	0.210	0.396
0.03-0.10 Gyr	0.131	0.437	0.742
0.10-0.32 Gyr	0.162	0.400	0.635
0.32-1.03 Gyr	0.021	0.281	0.499
1.03-3.30 Gyr	0.043	0.267	0.453
3.30-10.60 Gyr	0.120	0.307	0.417
10.60-11.78 Gyr	-0.129	0.319	0.725