2026ahbh results

2026ahbh results

Information

Transient

Name:	`AT2026ahbh`
Right ascension:	`0h17m01.93s`
Declination:	`-46d55m51.97s`
Discovery Date:	`Oct. 10, 2026, 11:44 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.011`

Host

Name:	`J001702.29-465552.14`
Object ID:	`9906605587765838`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`0h17m02.29s`
Declination:	`-46d55m52.14s`
Redshift:	`None`
Photometric Redshift:	`0.080`

Dataset

Version: 0

Cutout Download Report

Downloadable	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV GALEX_FUV DES_g DES_r DES_i DES_z	PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	10.3
Transient MWEBV	processed	0.19
Host match	processed	6.5
Host information	processed	0.13
Host MWEBV	processed	0.18
Host spectrum download	processed	0.06
Global aperture construction	processed	0.7
Global aperture photometry	processed	3.61
Validate global photometry	processed	11.57
Global host SED inference	processed	336.85
Local aperture photometry	processed	3.49
Validate local photometry	processed	0.02
Local host SED inference	processed	374.94

Imaging data

Spectral Energy Distribution

Host Galaxy Spectrum

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.014	9.216	9.351
{\rm log}_{10}({\rm SFR})	-2.260	-1.116	-0.419
{\rm log}_{10}({\rm sSFR})	-11.463	-10.366	-9.583
{\rm stellar\ age}	2.917	6.517	7.917

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.705	-1.178	-0.514
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.567	-0.668	0.173

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.298	0.652	1.077
\delta	-0.691	-0.290	0.188
\tau_1/\tau_2	0.700	1.011	1.334
Q_{PAH}	1.048	2.614	4.835
U_{min}	2.920	8.138	16.101
{\rm log}_{10}(\gamma_e)\,	-2.905	-1.829	-0.724

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.918	-1.774	-0.295
{\rm log}_{10}(\tau_{AGN})\,	0.929	1.387	1.882

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.736	-1.304	-0.562
0.03-0.10 Gyr	-2.356	-1.151	-0.386
0.10-0.33 Gyr	-2.132	-1.093	-0.407
0.33-1.07 Gyr	-1.969	-1.009	-0.449
1.07-3.50 Gyr	-1.742	-0.819	-0.465
3.50-11.44 Gyr	-1.825	-0.717	-0.473
11.44-12.71 Gyr	-2.148	-0.748	-0.185

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.451	10.523	10.597
{\rm log}_{10}({\rm SFR})	-0.112	0.106	0.337
{\rm log}_{10}({\rm sSFR})	-10.638	-10.414	-10.164
{\rm stellar\ age}	6.247	7.161	8.015

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.843	-0.577	-0.367
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.464	-0.472	0.228

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.128	0.242	0.393
\delta	-0.386	0.002	0.247
\tau_1/\tau_2	0.657	0.956	1.257
Q_{PAH}	1.259	2.848	5.054
U_{min}	2.448	7.205	14.287
{\rm log}_{10}(\gamma_e)\,	-2.614	-1.465	-0.543

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.879	-2.546	-1.502
{\rm log}_{10}(\tau_{AGN})\,	1.071	1.544	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.224	0.092	0.323
0.03-0.10 Gyr	-0.230	0.102	0.393
0.10-0.33 Gyr	-0.287	0.088	0.410
0.33-1.07 Gyr	-0.235	0.143	0.402
1.07-3.50 Gyr	0.118	0.455	0.703
3.50-11.44 Gyr	0.512	0.685	0.809
11.44-12.71 Gyr	0.173	0.681	1.097

Aperture Photometry

Aperture details

RA, DEC (J2000):	0h17m01.93s, -46d55m51.97s
semi major axis, semi minor axis (arcsec):	1.33, 1.33
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	23.07	0.11	20.492	0.005	AB
DES_r	43.97	0.2	19.792	0.005	AB
DES_i	58.02	0.51	19.491	0.010	AB
DES_z	68.93	0.94	19.304	0.015	AB

Aperture details

RA, DEC (J2000):	0h17m02.23s, -46d55m52.05s
semi major axis, semi minor axis (arcsec):	21.65, 7.16
angle (degrees, anti-clockwise from east):	263.59

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	65.95	7.96	19.352	0.131	AB
GALEX_NUV	62.05	5.26	19.418	0.092	AB
DES_g	503.82	0.66	17.144	0.001	AB
DES_r	901.86	1.11	16.512	0.001	AB
DES_i	1167.98	2.64	16.231	0.002	AB
DES_z	1375.92	4.81	16.054	0.004	AB
2MASS_J	1785.53	326.48	14.876	0.199	Vega
2MASS_H	1381.27	428.11	14.682	0.337	Vega
2MASS_K	1878.46	521.59	13.878	0.301	Vega
WISE_W1	959.32	28.63	13.746	0.032	Vega
WISE_W2	637.8	33.52	13.549	0.057	Vega
WISE_W3	2269.66	133.6	10.336	0.064	Vega