2026aqj

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Information

Transient

Name: AT2026aqj
Right ascension: 2h44m34.65s
Declination: 20d05m14.77s
Discovery Date: Jan. 17, 2026, 4:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.082

Host

Name:
Right ascension: 2h44m34.65s
Declination: 20d05m12.78s
Redshift: None
Photometric Redshift: 0.018

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.81
Transient MWEBV	processed	0.04
Host match	processed	5.39
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.59
Global aperture photometry	processed	5.19
Validate global photometry	processed	14.65
Global host SED inference	processed	506.39
Local aperture photometry	processed	5.26
Validate local photometry	processed	0.02
Local host SED inference	processed	655.51

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) = 2h44m34.65s, 20d05m14.77s
semi major axis, semi minor axis (arcsec) = 5.49, 5.49
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	165.26	6.01	18.355	0.040	AB
SDSS_g	343.57	5.16	17.560	0.016	AB
DES_g	351.07	1.06	17.537	0.003	AB
PanSTARRS_g	340.99	1.61	17.568	0.005	AB
PanSTARRS_r	423.16	1.91	17.334	0.005	AB
DES_r	430.28	1.86	17.316	0.005	AB
PanSTARRS_i	473.51	2.09	17.212	0.005	AB
PanSTARRS_z	519.12	4.19	17.112	0.009	AB
SDSS_z	514.35	15.38	17.122	0.032	AB
DES_z	515.46	4.05	17.120	0.009	AB
PanSTARRS_y	537.67	10.33	17.074	0.021	AB
2MASS_J	386.67	111.72	16.537	0.314	Vega
2MASS_H	790.13	192.92	15.288	0.265	Vega
2MASS_K	265.98	227.64	16.000	0.929	Vega

Aperture details

RA, DEC (J2000) = 2h44m34.63s, 20d05m13.02s
semi major axis, semi minor axis (arcsec) = 8.13, 5.48
angle (degrees, anti-clockwise from east) = -176.58

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	180.61	7.12	18.258	0.043	AB
SDSS_g	366.35	5.48	17.490	0.016	AB
DES_g	380.98	1.13	17.448	0.003	AB
PanSTARRS_g	375.95	1.94	17.462	0.006	AB
PanSTARRS_r	458.44	2.28	17.247	0.005	AB
DES_r	466.65	1.99	17.228	0.005	AB
PanSTARRS_i	515.18	2.51	17.120	0.005	AB
PanSTARRS_z	561.65	5.03	17.026	0.010	AB
SDSS_z	577.5	18.36	16.996	0.035	AB
DES_z	560.84	4.32	17.028	0.008	AB
PanSTARRS_y	596.62	12.45	16.961	0.023	AB
2MASS_J	393.81	146.09	16.517	0.403	Vega
2MASS_H	796.76	250.86	15.279	0.342	Vega
2MASS_K	183.89	297.82	16.401	1.758	Vega
WISE_W1	209.16	11.54	15.400	0.060	Vega
WISE_W2	111.21	14.17	15.446	0.138	Vega
WISE_W3	45.51	93.0	14.581	2.219	Vega
WISE_W4	-303.6	456.33			Vega

Imaging data

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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})\,	8.086	8.384	8.600
{\rm log}_{10}({\rm SFR})	-1.497	-0.147	0.275
{\rm log}_{10}({\rm sSFR})	-9.780	-8.515	-7.928
{\rm stellar\ age}	0.101	1.019	5.812

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.776	-1.420	-0.897
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.603	-0.825	-0.005

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.206	0.550	0.896
\delta	-0.612	-0.227	0.110
\tau_1/\tau_2	0.499	1.037	1.548
Q_{PAH}	0.847	2.438	4.904
U_{min}	3.730	11.041	19.372
{\rm log}_{10}(\gamma_e)\,	-3.517	-1.918	-0.883

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.223	-2.833	-1.374
{\rm log}_{10}(\tau_{AGN})\,	0.959	1.483	1.997

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.830	-2.459	-1.666
0.03-0.10 Gyr	-1.368	0.016	0.439
0.10-0.33 Gyr	-3.050	-0.850	-0.028
0.33-1.10 Gyr	-4.879	-2.942	-1.160
1.10-3.66 Gyr	-6.465	-3.314	-1.400
3.66-12.17 Gyr	-7.388	-3.922	-1.702
12.17-13.52 Gyr	-7.783	-3.759	-1.392

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.409	8.607	8.748
{\rm log}_{10}({\rm SFR})	-1.488	-0.662	-0.297
{\rm log}_{10}({\rm sSFR})	-10.160	-9.297	-8.829
{\rm stellar\ age}	2.849	6.089	7.940

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.751	-1.436	-1.084
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.250	-0.376	0.166

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.065	0.132	0.246
\delta	-0.780	-0.388	0.111
\tau_1/\tau_2	0.533	0.975	1.393
Q_{PAH}	0.529	1.594	4.007
U_{min}	2.704	8.181	15.924
{\rm log}_{10}(\gamma_e)\,	-3.297	-2.300	-0.966

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.331	-3.383	-2.384
{\rm log}_{10}(\tau_{AGN})\,	1.066	1.556	1.940

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.452	-2.316	-1.832
0.03-0.10 Gyr	-1.355	-0.505	-0.135
0.10-0.33 Gyr	-2.012	-0.879	-0.475
0.33-1.10 Gyr	-2.634	-1.310	-0.915
1.10-3.66 Gyr	-2.949	-1.457	-1.096
3.66-12.17 Gyr	-2.676	-1.482	-1.196
12.17-13.52 Gyr	-2.707	-1.414	-0.764