2026jj

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Information

Transient

Name: AT2026jj
Right ascension: 16h05m44.99s
Declination: 3d03m13.51s
Discovery Date: Jan. 9, 2026, 12:38 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.081

Host

Name:
Right ascension: 16h05m45.00s
Declination: 3d03m13.70s
Redshift: None
Photometric Redshift: 0.099

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	32.75
Transient MWEBV	processed	0.12
Host match	processed	11.7
Host information	processed	0.23
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	6.88
Validate global photometry	processed	20.23
Global host SED inference	processed	484.22
Local aperture photometry	processed	6.76
Validate local photometry	processed	0.03
Local host SED inference	processed	450.87

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) = 16h05m44.99s, 3d03m13.51s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_r	21.98	0.33	20.545	0.016	AB
PanSTARRS_z	33.14	0.72	20.099	0.024	AB
DES_z	33.22	0.98	20.096	0.032	AB
PanSTARRS_y	34.02	1.7	20.071	0.054	AB

Aperture details

RA, DEC (J2000) = 16h05m44.99s, 3d03m13.79s
semi major axis, semi minor axis (arcsec) = 3.84, 3.27
angle (degrees, anti-clockwise from east) = -16.49

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.08	2.49	21.940	0.444	AB
GALEX_NUV	1.29	1.18	23.627	0.995	AB
SDSS_u	7.0	2.82	21.787	0.438	AB
SDSS_g	28.94	1.95	20.246	0.073	AB
DES_g	33.37	0.33	20.092	0.011	AB
PanSTARRS_g	29.38	0.65	20.230	0.024	AB
SDSS_r	52.95	2.47	19.590	0.051	AB
PanSTARRS_r	52.55	0.77	19.599	0.016	AB
DES_r	59.28	0.61	19.468	0.011	AB
SDSS_i	79.32	3.88	19.151	0.053	AB
PanSTARRS_i	72.18	0.85	19.254	0.013	AB
PanSTARRS_z	87.23	2.24	19.048	0.028	AB
SDSS_z	88.08	10.85	19.038	0.134	AB
DES_z	88.97	1.8	19.027	0.022	AB
PanSTARRS_y	87.27	5.33	19.048	0.066	AB
2MASS_J	32.07	107.2	19.240	3.630	Vega
2MASS_H	142.21	156.81	17.150	1.197	Vega
2MASS_K	-15.99	174.95			Vega
WISE_W1	22.0	12.52	17.845	0.618	Vega
WISE_W2	8.01	14.65	18.302	1.987	Vega
WISE_W3	-6.17	60.97			Vega
WISE_W4	-56.92	371.28			Vega

Imaging data

Click the image to load the interactive plot.

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})\,	8.803	9.044	9.195
{\rm log}_{10}({\rm SFR})	-1.212	-0.575	0.065
{\rm log}_{10}({\rm sSFR})	-10.304	-9.672	-8.851
{\rm stellar\ age}	2.211	5.896	7.463

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.640	-0.971	-0.218
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.411	-0.609	0.124

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.267	0.600	1.010
\delta	-0.556	-0.202	0.094
\tau_1/\tau_2	0.631	1.016	1.423
Q_{PAH}	0.826	2.553	4.979
U_{min}	2.921	8.144	15.238
{\rm log}_{10}(\gamma_e)\,	-3.115	-1.995	-0.723

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.971	-0.704	0.051
{\rm log}_{10}(\tau_{AGN})\,	1.172	1.576	2.002

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.369	-0.706	-0.169
0.03-0.10 Gyr	-1.454	-0.664	0.146
0.10-0.33 Gyr	-1.944	-0.926	-0.347
0.33-1.06 Gyr	-2.409	-1.038	-0.527
1.06-3.45 Gyr	-2.486	-0.952	-0.632
3.45-11.22 Gyr	-2.311	-0.946	-0.662
11.22-12.47 Gyr	-2.495	-0.992	-0.383

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.366	9.513	9.643
{\rm log}_{10}({\rm SFR})	-1.114	-0.545	-0.032
{\rm log}_{10}({\rm sSFR})	-10.624	-10.096	-9.496
{\rm stellar\ age}	3.506	6.084	7.597

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.748	-1.220	-0.531
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.696	-0.620	0.284

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.185	0.518	0.902
\delta	-0.569	-0.086	0.214
\tau_1/\tau_2	0.721	1.082	1.447
Q_{PAH}	1.339	3.612	5.555
U_{min}	2.930	8.221	15.487
{\rm log}_{10}(\gamma_e)\,	-2.935	-1.786	-0.528

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.975	-1.162	-0.357
{\rm log}_{10}(\tau_{AGN})\,	0.993	1.397	1.799

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.228	-0.696	-0.330
0.03-0.10 Gyr	-1.280	-0.531	0.079
0.10-0.33 Gyr	-1.179	-0.438	0.047
0.33-1.06 Gyr	-1.089	-0.400	0.031
1.06-3.45 Gyr	-0.974	-0.408	-0.139
3.45-11.22 Gyr	-1.077	-0.443	-0.206
11.22-12.47 Gyr	-1.327	-0.436	0.150