2026blj

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Information

Transient

Name: AT2026blj
Right ascension: 1h45m17.73s
Declination: 17d44m49.74s
Discovery Date: Jan. 19, 2026, 3:38 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name:
Right ascension: 1h45m17.55s
Declination: 17d44m50.58s
Redshift: None
Photometric Redshift: 0.119

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.75
Transient MWEBV	processed	0.13
Host match	processed	6.12
Host information	processed	0.05
Host MWEBV	processed	0.06
Global aperture construction	processed	0.67
Global aperture photometry	processed	6.49
Validate global photometry	processed	18.41
Global host SED inference	processed	404.22
Local aperture photometry	processed	6.45
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) = 1h45m17.73s, 17d44m49.74s
semi major axis, semi minor axis (arcsec) = 0.93, 0.93
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) = 1h45m17.54s, 17d44m50.84s
semi major axis, semi minor axis (arcsec) = 5.09, 3.88
angle (degrees, anti-clockwise from east) = -17.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	6.85	2.24	21.811	0.355	AB
SDSS_u	21.26	3.73	20.581	0.191	AB
SDSS_g	59.47	2.74	19.464	0.050	AB
DES_g	60.94	0.34	19.438	0.006	AB
PanSTARRS_g	59.89	1.2	19.457	0.022	AB
SDSS_r	109.19	3.5	18.805	0.035	AB
PanSTARRS_r	99.64	1.29	18.904	0.014	AB
DES_r	111.46	0.77	18.782	0.008	AB
SDSS_i	166.11	4.35	18.349	0.028	AB
PanSTARRS_i	140.95	1.56	18.527	0.012	AB
PanSTARRS_z	171.88	2.78	18.312	0.018	AB
SDSS_z	202.98	9.94	18.131	0.053	AB
DES_z	167.53	2.62	18.340	0.017	AB
PanSTARRS_y	206.83	7.23	18.111	0.038	AB
2MASS_J	198.01	92.66	17.263	0.508	Vega
2MASS_H	287.15	139.17	16.387	0.526	Vega
2MASS_K	235.01	195.61	16.134	0.904	Vega
WISE_W1	110.48	10.2	16.093	0.100	Vega
WISE_W2	62.67	15.25	16.068	0.264	Vega
WISE_W3	79.79	62.06	13.971	0.844	Vega
WISE_W4	-121.06	356.9			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})\,	9.869	9.944	10.045
{\rm log}_{10}({\rm SFR})	-0.245	0.071	0.365
{\rm log}_{10}({\rm sSFR})	-10.232	-9.878	-9.561
{\rm stellar\ age}	5.525	6.459	7.470

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.343	-0.834	-0.423
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.398	0.245	0.409

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.260	0.411	0.590
\delta	-0.669	-0.366	-0.123
\tau_1/\tau_2	0.770	1.108	1.462
Q_{PAH}	0.626	1.768	3.429
U_{min}	2.785	7.533	14.333
{\rm log}_{10}(\gamma_e)\,	-2.782	-1.794	-0.770

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.180	-3.041	-1.965
{\rm log}_{10}(\tau_{AGN})\,	1.002	1.484	1.897

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.523	-0.300	-0.102
0.03-0.10 Gyr	-0.218	0.161	0.497
0.10-0.32 Gyr	-0.179	0.147	0.409
0.32-1.05 Gyr	-0.427	-0.095	0.153
1.05-3.40 Gyr	-0.346	-0.036	0.163
3.40-11.00 Gyr	-0.135	0.080	0.220
11.00-12.22 Gyr	-0.369	0.113	0.562