2026avi

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Information

Transient

Name: AT2026avi
Right ascension: 9h54m57.87s
Declination: 5d33m20.43s
Discovery Date: Jan. 17, 2026, 11:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.045

Host

Name: 1285292
Right ascension: 9h54m57.02s
Declination: 5d33m14.28s
Redshift: 0.090715
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.56
Transient MWEBV	processed	0.04
Host match	processed	4.35
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.61
Global aperture photometry	processed	5.04
Validate global photometry	processed	16.06
Global host SED inference	processed	433.33
Local aperture photometry	processed	4.99
Validate local photometry	processed	0.02
Local host SED inference	processed	522.93

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) = 9h54m57.87s, 5d33m20.43s
semi major axis, semi minor axis (arcsec) = 1.18, 1.18
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	1.41	0.52	23.527	0.399	AB
PanSTARRS_z	3.47	0.78	22.549	0.243	AB
PanSTARRS_y	7.91	1.8	21.655	0.248	AB

Aperture details

RA, DEC (J2000) = 9h54m57.01s, 5d33m14.54s
semi major axis, semi minor axis (arcsec) = 9.03, 8.48
angle (degrees, anti-clockwise from east) = -71.09

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.02	1.37	22.389	0.370	AB
GALEX_NUV	3.82	0.72	22.446	0.205	AB
SDSS_u	65.24	6.6	19.364	0.110	AB
SDSS_g	557.29	6.61	17.035	0.013	AB
PanSTARRS_g	624.42	2.09	16.911	0.004	AB
SDSS_r	1404.53	10.49	16.031	0.008	AB
PanSTARRS_r	1380.24	3.14	16.050	0.002	AB
SDSS_i	2103.32	13.2	15.593	0.007	AB
PanSTARRS_i	2153.45	3.9	15.567	0.002	AB
PanSTARRS_z	2754.3	5.75	15.300	0.002	AB
SDSS_z	3007.24	26.95	15.205	0.010	AB
PanSTARRS_y	3156.42	13.08	15.152	0.004	AB
2MASS_J	4730.22	276.34	13.818	0.063	Vega
2MASS_H	5389.49	326.85	13.204	0.066	Vega
2MASS_K	5764.0	418.29	12.660	0.079	Vega
WISE_W1	2027.8	30.69	12.933	0.016	Vega
WISE_W2	1213.62	34.16	12.851	0.031	Vega
WISE_W3	204.1	94.03	12.951	0.500	Vega
WISE_W4	398.23	584.05	10.780	1.592	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.341	7.865	8.315
{\rm log}_{10}({\rm SFR})	-1.102	-0.684	-0.260
{\rm log}_{10}({\rm sSFR})	-9.175	-8.398	-7.963
{\rm stellar\ age}	0.037	2.057	6.546

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.654	-1.042	-0.277
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.931	-0.239	0.204

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.015	1.595	2.273
\delta	-0.159	0.114	0.311
\tau_1/\tau_2	0.512	0.906	1.347
Q_{PAH}	0.872	2.556	5.348
U_{min}	3.107	9.458	17.106
{\rm log}_{10}(\gamma_e)\,	-3.326	-2.347	-1.210

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.462	-1.000	-0.140
{\rm log}_{10}(\tau_{AGN})\,	0.914	1.370	1.830

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.765	-0.291	0.114
0.03-0.10 Gyr	-3.508	-1.663	-0.673
0.10-0.33 Gyr	-5.180	-2.301	-1.171
0.33-1.06 Gyr	-6.309	-2.843	-1.513
1.06-3.47 Gyr	-6.978	-3.132	-1.674
3.47-11.31 Gyr	-7.505	-3.261	-1.730
11.31-12.57 Gyr	-7.894	-3.158	-1.546

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.868	11.033	11.132
{\rm log}_{10}({\rm SFR})	-3.932	-0.937	0.106
{\rm log}_{10}({\rm sSFR})	-15.020	-11.979	-10.868
{\rm stellar\ age}	2.609	6.755	8.894

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.715	-1.320	-0.999
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.559	-0.793	0.013

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.600	0.769	0.935
\delta	-0.864	-0.734	-0.619
\tau_1/\tau_2	0.500	0.983	1.447
Q_{PAH}	0.588	1.620	2.998
U_{min}	2.770	8.535	16.904
{\rm log}_{10}(\gamma_e)\,	-3.261	-2.363	-1.227

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.481	-3.624	-2.633
{\rm log}_{10}(\tau_{AGN})\,	1.091	1.569	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.998	-1.435	0.013
0.03-0.10 Gyr	-4.770	-1.400	0.130
0.10-0.33 Gyr	-3.335	-0.675	0.606
0.33-1.06 Gyr	-1.986	0.230	1.056
1.06-3.47 Gyr	-0.172	1.166	1.638
3.47-11.31 Gyr	-1.090	1.013	1.347
11.31-12.57 Gyr	-1.944	0.928	1.953