2026bbw results

2026bbw results

Information

Transient

Name:	`AT2026bbw`
Right ascension:	`13h22m20.99s`
Declination:	`21d47m23.63s`
Discovery Date:	`Jan. 15, 2026, 4:48 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.020`

Host

Name:	`J132220.92+214722.26`
Right ascension:	`13h22m20.92s`
Declination:	`21d47m22.26s`
Redshift:	`None`
Photometric Redshift:	`0.031`

Cutout Download Report

Downloaded	Unavailable
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_z	DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	17.82
Transient MWEBV	processed	0.04
Host match	processed	4.97
Host information	processed	0.16
Host MWEBV	processed	0.06
Global aperture construction	processed	0.6
Global aperture photometry	processed	6.68
Validate global photometry	processed	19.29
Global host SED inference	processed	512.19
Local aperture photometry	processed	6.35
Validate local photometry	processed	0.02
Local host SED inference	processed	518.03

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	13h22m20.99s, 21d47m23.63s
semi major axis, semi minor axis (arcsec):	3.26, 3.26
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	201.59	4.5	18.139	0.024	AB
SDSS_g	1102.83	8.66	16.294	0.009	AB
DES_g	1145.64	1.53	16.252	0.001	AB
PanSTARRS_g	1164.2	1.07	16.235	0.001	AB
SDSS_r	2412.06	12.82	15.444	0.006	AB
PanSTARRS_r	2427.02	1.4	15.437	0.001	AB
DES_r	2654.18	4.04	15.340	0.002	AB
SDSS_i	3512.25	15.54	15.036	0.005	AB
PanSTARRS_i	3624.23	1.82	15.002	0.001	AB
PanSTARRS_z	4561.21	2.43	14.752	0.001	AB
SDSS_z	4676.72	20.23	14.725	0.005	AB
DES_z	4792.99	11.71	14.698	0.003	AB
PanSTARRS_y	5058.83	4.45	14.640	0.001	AB
2MASS_J	5667.94	82.59	13.622	0.016	Vega
2MASS_H	6930.88	111.71	12.930	0.017	Vega
2MASS_K	5794.85	145.8	12.655	0.027	Vega

Aperture details

RA, DEC (J2000):	13h22m20.91s, 21d47m22.56s
semi major axis, semi minor axis (arcsec):	12.97, 9.32
angle (degrees, anti-clockwise from east):	-136.13

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.38	2.32	22.072	0.467	AB
SDSS_u	429.0	10.49	17.319	0.027	AB
DES_g	2216.94	2.26	15.536	0.001	AB
PanSTARRS_g	2241.82	2.53	15.523	0.001	AB
PanSTARRS_r	4618.32	3.29	14.739	0.001	AB
DES_r	4906.76	5.68	14.673	0.001	AB
SDSS_i	6533.14	22.3	14.362	0.004	AB
PanSTARRS_z	8402.72	6.55	14.089	0.001	AB
SDSS_z	8411.07	40.53	14.088	0.005	AB
DES_z	8752.19	16.14	14.045	0.002	AB
2MASS_J	12302.09	275.33	12.780	0.024	Vega
2MASS_H	14693.77	378.7	12.115	0.028	Vega
2MASS_K	12491.32	500.05	11.821	0.043	Vega
WISE_W1	5565.39	44.48	11.837	0.009	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.309	10.405	10.518
{\rm log}_{10}({\rm SFR})	-4.613	-1.622	-0.491
{\rm log}_{10}({\rm sSFR})	-15.092	-11.966	-10.838
{\rm stellar\ age}	7.753	9.017	12.597

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.540	-1.164	-0.842
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.652	-0.782	0.150

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.487	0.672	0.863
\delta	-0.818	-0.603	-0.255
\tau_1/\tau_2	0.547	0.976	1.401
Q_{PAH}	0.745	2.464	5.009
U_{min}	3.008	9.066	17.431
{\rm log}_{10}(\gamma_e)\,	-3.171	-1.744	-0.813

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.939	-1.897	-0.780
{\rm log}_{10}(\tau_{AGN})\,	0.934	1.397	1.959

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.203	-1.870	-0.727
0.03-0.10 Gyr	-5.721	-1.842	-0.438
0.10-0.33 Gyr	-5.527	-1.861	-0.308
0.33-1.10 Gyr	-5.197	-1.987	-0.460
1.10-3.63 Gyr	-3.727	-1.384	0.058
3.63-12.01 Gyr	-1.309	0.412	0.653
12.01-13.35 Gyr	-0.204	0.966	1.633

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.600	10.698	10.769
{\rm log}_{10}({\rm SFR})	-3.857	-1.530	-0.280
{\rm log}_{10}({\rm sSFR})	-14.650	-12.221	-11.008
{\rm stellar\ age}	7.891	10.841	12.655

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.185	-0.805	-0.596
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.531	-0.542	0.258

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.292	0.431	0.655
\delta	-0.806	-0.536	-0.270
\tau_1/\tau_2	0.546	0.962	1.372
Q_{PAH}	0.353	1.823	4.349
U_{min}	2.968	8.808	16.959
{\rm log}_{10}(\gamma_e)\,	-3.265	-2.037	-1.152

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.302	-3.085	-1.630
{\rm log}_{10}(\tau_{AGN})\,	1.137	1.613	1.948

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-5.436	-2.014	-0.726
0.03-0.10 Gyr	-4.796	-1.624	-0.181
0.10-0.33 Gyr	-5.455	-2.046	-0.464
0.33-1.10 Gyr	-5.622	-2.149	-0.623
1.10-3.63 Gyr	-3.883	-1.597	-0.114
3.63-12.01 Gyr	-1.709	0.518	0.895
12.01-13.35 Gyr	0.446	1.613	1.892