2026zhu results

2026zhu results

Information

Transient

Name:	`AT2026zhu`
Right ascension:	`1h10m41.77s`
Declination:	`-15d30m59.41s`
Discovery Date:	`Aug. 20, 2026, 3:39 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.022`

Host

Name:	`4200`
Object ID:	`1173422.0`
Catalog Name:	`glade`
Catalog Release:	`latest`
Right ascension:	`1h10m41.36s`
Declination:	`-15d31m12.04s`
Redshift:	`0.029951`
Photometric Redshift:	`None`

Cutout Download Report

Downloadable	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 DES_g DES_r DES_i DES_z	SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	8.74
Transient MWEBV	processed	0.23
Host match	processed	4.24
Host information	processed	0.13
Host MWEBV	processed	0.1
Host spectrum download	processed	0.11
Global aperture construction	processed	0.73
Global aperture photometry	processed	6.89
Validate global photometry	processed	17.06
Global host SED inference	processed	349.62
Local aperture photometry	processed	6.56
Validate local photometry	processed	0.02
Local host SED inference	processed	351.42

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})\,	8.335	8.588	8.735
{\rm log}_{10}({\rm SFR})	-1.987	-1.300	-0.596
{\rm log}_{10}({\rm sSFR})	-10.628	-9.896	-8.956
{\rm stellar\ age}	3.024	6.793	8.185

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.427	-0.794	-0.295
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.439	-0.557	0.096

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.601	1.148	1.722
\delta	-0.507	-0.128	0.207
\tau_1/\tau_2	0.697	1.003	1.308
Q_{PAH}	0.595	1.798	3.747
U_{min}	3.085	8.340	16.047
{\rm log}_{10}(\gamma_e)\,	-2.772	-1.445	-0.586

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.270	-2.601	-0.543
{\rm log}_{10}(\tau_{AGN})\,	1.034	1.460	1.904

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.087	-1.281	-0.580
0.03-0.10 Gyr	-2.201	-1.424	-0.675
0.10-0.33 Gyr	-2.362	-1.557	-0.914
0.33-1.10 Gyr	-2.527	-1.633	-1.123
1.10-3.63 Gyr	-2.413	-1.513	-1.170
3.63-12.02 Gyr	-2.380	-1.379	-1.112
12.02-13.36 Gyr	-2.641	-1.417	-0.866

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.627	10.688	10.744
{\rm log}_{10}({\rm SFR})	-1.709	-1.078	-0.606
{\rm log}_{10}({\rm sSFR})	-12.399	-11.752	-11.221
{\rm stellar\ age}	7.356	8.035	9.349

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.500	-0.350	-0.213
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.450	-0.780	-0.022

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.143	0.262	0.408
\delta	-0.775	-0.504	-0.174
\tau_1/\tau_2	0.648	0.976	1.305
Q_{PAH}	0.204	0.641	1.630
U_{min}	2.631	7.216	14.916
{\rm log}_{10}(\gamma_e)\,	-3.190	-2.344	-1.360

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.605	-3.909	-2.902
{\rm log}_{10}(\tau_{AGN})\,	1.005	1.449	1.898

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.169	-1.342	-0.747
0.03-0.10 Gyr	-1.722	-1.044	-0.553
0.10-0.33 Gyr	-1.231	-0.600	-0.104
0.33-1.10 Gyr	-0.961	-0.239	0.176
1.10-3.63 Gyr	-0.530	0.203	0.594
3.63-12.02 Gyr	0.689	0.876	0.969
12.02-13.36 Gyr	0.295	0.852	1.419

Aperture Photometry

Aperture details

RA, DEC (J2000):	1h10m41.77s, -15d30m59.41s
semi major axis, semi minor axis (arcsec):	3.34, 3.34
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	27.11	0.2	20.317	0.008	AB
PanSTARRS_g	27.37	0.7	20.307	0.028	AB
PanSTARRS_r	47.09	0.85	19.718	0.020	AB
DES_r	58.12	0.32	19.489	0.006	AB
PanSTARRS_i	72.49	1.32	19.249	0.020	AB
DES_i	81.02	0.6	19.129	0.008	AB
PanSTARRS_z	86.72	2.17	19.055	0.027	AB
DES_z	104.83	1.23	18.849	0.013	AB
PanSTARRS_y	126.03	5.08	18.649	0.044	AB
2MASS_J	187.51	92.85	17.323	0.538	Vega
2MASS_H	151.65	141.11	17.080	1.010	Vega
2MASS_K	49.72	165.76	17.821	3.619	Vega

Aperture details

RA, DEC (J2000):	1h10m41.45s, -15d31m11.44s
semi major axis, semi minor axis (arcsec):	25.78, 10.49
angle (degrees, anti-clockwise from east):	250.01

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	26.17	3.02	20.355	0.125	AB
GALEX_NUV	40.37	3.11	19.885	0.084	AB
DES_g	2938.89	1.56	15.230	0.001	AB
PanSTARRS_g	2941.11	3.65	15.229	0.001	AB
PanSTARRS_r	5765.8	4.39	14.498	0.001	AB
DES_r	6334.94	2.79	14.396	0.000	AB
PanSTARRS_i	8334.89	6.57	14.098	0.001	AB
DES_i	8992.82	5.5	14.015	0.001	AB
PanSTARRS_z	10571.34	10.99	13.840	0.001	AB
DES_z	11482.02	11.6	13.750	0.001	AB
PanSTARRS_y	13148.11	25.17	13.603	0.002	AB
2MASS_H	18545.53	707.78	11.862	0.041	Vega
2MASS_K	16808.0	832.34	11.498	0.054	Vega
WISE_W1	7865.53	58.95	11.462	0.008	Vega
WISE_W2	4319.17	62.73	11.472	0.016	Vega
WISE_W3	2557.78	202.43	10.206	0.086	Vega
WISE_W4	2219.32	903.62	8.914	0.442	Vega