2026bnw

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Information

Transient

Name: AT2026bnw
Right ascension: 13h20m23.78s
Declination: -2d01m05.16s
Discovery Date: Jan. 20, 2026, 11 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name: 1103839
Right ascension: 13h20m23.84s
Declination: -2d01m03.73s
Redshift: 0.095970
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	17.25
Transient MWEBV	processed	0.06
Host match	processed	4.13
Host information	processed	0.06
Host MWEBV	processed	0.09
Global aperture construction	processed	0.65
Global aperture photometry	processed	4.97
Validate global photometry	processed	15.73
Global host SED inference	processed	516.28
Local aperture photometry	processed	4.81
Validate local photometry	processed	0.02
Local host SED inference	processed	473.42

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) = 13h20m23.78s, -2d01m05.16s
semi major axis, semi minor axis (arcsec) = 1.13, 1.13
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	87.6	0.54	19.044	0.007	AB
PanSTARRS_z	114.16	0.76	18.756	0.007	AB
PanSTARRS_y	131.51	1.51	18.603	0.012	AB

Aperture details

RA, DEC (J2000) = 13h20m23.86s, -2d01m03.75s
semi major axis, semi minor axis (arcsec) = 10.44, 6.27
angle (degrees, anti-clockwise from east) = -130.07

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	22.91	4.26	20.500	0.202	AB
GALEX_NUV	32.0	3.41	20.137	0.116	AB
SDSS_u	104.83	6.17	18.849	0.064	AB
SDSS_g	358.91	5.41	17.513	0.016	AB
PanSTARRS_g	382.78	1.85	17.443	0.005	AB
SDSS_r	747.9	8.12	16.715	0.012	AB
PanSTARRS_r	750.6	3.38	16.711	0.005	AB
SDSS_i	1102.32	10.84	16.294	0.011	AB
PanSTARRS_i	1048.14	3.64	16.349	0.004	AB
PanSTARRS_z	1334.79	5.08	16.086	0.004	AB
SDSS_z	1616.73	35.34	15.878	0.024	AB
PanSTARRS_y	1565.31	10.68	15.913	0.007	AB
2MASS_J	1919.47	194.48	14.797	0.110	Vega
2MASS_H	2554.78	267.32	14.014	0.114	Vega
2MASS_K	2807.37	388.99	13.441	0.150	Vega
WISE_W1	972.93	20.65	13.731	0.023	Vega
WISE_W2	567.97	25.6	13.675	0.049	Vega
WISE_W3	510.15	87.85	11.957	0.187	Vega
WISE_W4	232.34	520.31	11.365	2.431	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	9.538	9.739	9.902
{\rm log}_{10}({\rm SFR})	-1.382	-0.612	-0.021
{\rm log}_{10}({\rm sSFR})	-11.196	-10.367	-9.646
{\rm stellar\ age}	3.363	6.780	9.839

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.015	-0.408	0.000
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.339	-0.654	0.021

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.470	0.845	1.234
\delta	-0.558	-0.209	0.130
\tau_1/\tau_2	0.582	0.968	1.336
Q_{PAH}	0.944	2.728	5.240
U_{min}	2.961	8.044	14.962
{\rm log}_{10}(\gamma_e)\,	-3.183	-2.175	-0.789

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.033	-1.148	-0.364
{\rm log}_{10}(\tau_{AGN})\,	1.028	1.510	1.981

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.615	-0.689	-0.181
0.03-0.10 Gyr	-1.917	-0.687	0.060
0.10-0.33 Gyr	-2.104	-0.700	0.041
0.33-1.06 Gyr	-2.264	-0.537	0.186
1.06-3.45 Gyr	-2.670	-0.473	-0.025
3.45-11.25 Gyr	-1.606	-0.295	0.021
11.25-12.50 Gyr	-1.201	-0.095	0.817

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.802	10.877	10.931
{\rm log}_{10}({\rm SFR})	0.044	0.351	0.715
{\rm log}_{10}({\rm sSFR})	-10.858	-10.531	-10.161
{\rm stellar\ age}	7.850	10.649	11.767

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.612	-0.453	-0.351
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.407	0.037	0.386

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.095	0.158	0.261
\delta	-0.880	-0.607	-0.305
\tau_1/\tau_2	0.570	1.036	1.493
Q_{PAH}	0.372	1.259	2.817
U_{min}	2.654	7.746	15.243
{\rm log}_{10}(\gamma_e)\,	-3.078	-2.271	-1.291

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.569	-3.788	-2.821
{\rm log}_{10}(\tau_{AGN})\,	1.049	1.579	1.947

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.362	-0.294	0.001
0.03-0.10 Gyr	0.123	0.474	0.868
0.10-0.33 Gyr	-2.337	-0.315	0.260
0.33-1.06 Gyr	-3.912	-0.943	-0.221
1.06-3.45 Gyr	-3.147	-0.936	-0.137
3.45-11.25 Gyr	-0.921	0.597	1.073
11.25-12.50 Gyr	1.065	1.906	2.073