2026aig

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Information

Transient

Name: AT2026aig
Right ascension: 8h20m33.99s
Declination: 58d46m16.94s
Discovery Date: Jan. 15, 2026, 8:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.063

Host

Name:
Right ascension: 8h20m33.68s
Declination: 58d46m22.35s
Redshift: 0.092114
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.7
Transient MWEBV	processed	0.04
Host match	processed	5.97
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.61
Global aperture photometry	processed	4.99
Validate global photometry	processed	15.5
Global host SED inference	processed	1172.58
Local aperture photometry	processed	4.74
Validate local photometry	processed	0.02
Local host SED inference	processed	488.64

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) = 8h20m33.99s, 58d46m16.94s
semi major axis, semi minor axis (arcsec) = 1.17, 1.17
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	12.18	0.32	21.186	0.029	AB
PanSTARRS_z	15.38	0.92	20.932	0.065	AB
PanSTARRS_y	21.46	2.2	20.571	0.111	AB

Aperture details

RA, DEC (J2000) = 8h20m33.66s, 58d46m22.56s
semi major axis, semi minor axis (arcsec) = 8.09, 7.45
angle (degrees, anti-clockwise from east) = -164.14

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.42	1.75	22.066	0.351	AB
GALEX_NUV	3.45	0.56	22.557	0.177	AB
SDSS_u	57.46	6.37	19.502	0.120	AB
SDSS_g	400.63	5.61	17.393	0.015	AB
PanSTARRS_g	471.06	1.72	17.217	0.004	AB
SDSS_r	1054.81	9.13	16.342	0.009	AB
PanSTARRS_r	1070.92	2.8	16.326	0.003	AB
SDSS_i	1571.6	12.06	15.909	0.008	AB
PanSTARRS_i	1552.76	2.18	15.922	0.002	AB
PanSTARRS_z	2073.62	6.06	15.608	0.003	AB
SDSS_z	2211.97	26.2	15.538	0.013	AB
PanSTARRS_y	2534.32	14.52	15.390	0.006	AB
2MASS_J	3444.47	165.23	14.162	0.052	Vega
2MASS_H	4385.19	244.32	13.427	0.060	Vega
2MASS_K	3442.69	313.43	13.220	0.099	Vega
WISE_W1	1583.27	23.15	13.202	0.016	Vega
WISE_W2	977.52	24.95	13.086	0.028	Vega
WISE_W3	298.5	70.82	12.539	0.258	Vega
WISE_W4	560.77	428.51	10.408	0.830	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})\,	8.568	8.896	9.089
{\rm log}_{10}({\rm SFR})	-1.356	-0.719	-0.001
{\rm log}_{10}({\rm sSFR})	-10.322	-9.697	-8.624
{\rm stellar\ age}	1.432	6.249	8.025

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.290	-0.444	0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.266	-0.535	0.150

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.737	1.348	1.925
\delta	-0.151	0.100	0.287
\tau_1/\tau_2	0.631	1.034	1.436
Q_{PAH}	1.092	3.104	5.290
U_{min}	3.027	8.096	15.279
{\rm log}_{10}(\gamma_e)\,	-3.075	-1.889	-0.728

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.317	-0.858	0.038
{\rm log}_{10}(\tau_{AGN})\,	1.069	1.442	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.591	-0.765	-0.159
0.03-0.10 Gyr	-1.734	-0.836	0.021
0.10-0.33 Gyr	-2.426	-1.207	-0.458
0.33-1.06 Gyr	-3.254	-1.416	-0.766
1.06-3.46 Gyr	-3.360	-1.307	-0.855
3.46-11.30 Gyr	-3.259	-1.134	-0.770
11.30-12.55 Gyr	-3.064	-1.113	-0.357

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.041	11.132	11.161
{\rm log}_{10}({\rm SFR})	-1.861	-1.236	-0.698
{\rm log}_{10}({\rm sSFR})	-12.999	-12.383	-11.771
{\rm stellar\ age}	9.360	11.894	11.921

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.575	-0.460	-0.362
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.378	-0.674	-0.048

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.061	0.127	0.220
\delta	-0.943	-0.806	-0.562
\tau_1/\tau_2	0.524	0.979	1.472
Q_{PAH}	0.493	1.856	4.179
U_{min}	2.924	8.832	16.527
{\rm log}_{10}(\gamma_e)\,	-2.334	-0.962	-0.323

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.453	-3.413	-2.463
{\rm log}_{10}(\tau_{AGN})\,	1.035	1.533	1.931

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.924	-1.147	-0.611
0.03-0.10 Gyr	-3.804	-1.572	-0.685
0.10-0.33 Gyr	-5.665	-2.649	-1.075
0.33-1.06 Gyr	-6.531	-2.719	-1.116
1.06-3.46 Gyr	-4.500	-2.220	-0.742
3.46-11.30 Gyr	-2.170	-0.833	1.129
11.30-12.55 Gyr	1.829	2.283	2.313