2026big

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Information

Transient

Name: AT2026big
Right ascension: 9h39m05.11s
Declination: 29d27m19.71s
Discovery Date: Jan. 15, 2026, 9:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name:
Right ascension: 9h39m05.09s
Declination: 29d27m20.08s
Redshift: None
Photometric Redshift: 0.123

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	13.03
Transient MWEBV	processed	0.04
Host match	processed	5.94
Host information	processed	0.23
Host MWEBV	processed	0.05
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.09
Validate global photometry	processed	14.98
Global host SED inference	processed	386.36
Local aperture photometry	processed	5.09
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) = 9h39m05.11s, 29d27m19.71s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
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) = 9h39m05.10s, 29d27m20.21s
semi major axis, semi minor axis (arcsec) = 5.26, 2.74
angle (degrees, anti-clockwise from east) = -70.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.82	1.55	22.191	0.348	AB
GALEX_NUV	10.8	1.56	21.316	0.156	AB
SDSS_u	19.4	3.77	20.681	0.211	AB
SDSS_g	72.18	2.49	19.254	0.037	AB
PanSTARRS_g	69.1	0.91	19.301	0.014	AB
SDSS_r	116.41	3.29	18.735	0.031	AB
PanSTARRS_r	117.05	1.26	18.729	0.012	AB
DES_r	129.1	2.55	18.623	0.021	AB
SDSS_i	170.83	4.34	18.319	0.028	AB
PanSTARRS_i	164.59	1.36	18.359	0.009	AB
PanSTARRS_z	179.8	3.24	18.263	0.020	AB
SDSS_z	190.88	9.28	18.198	0.053	AB
PanSTARRS_y	204.08	6.02	18.126	0.032	AB
WISE_W1	144.07	11.02	15.805	0.083	Vega
WISE_W2	99.62	14.84	15.565	0.162	Vega
WISE_W3	361.82	71.2	12.330	0.214	Vega
WISE_W4	288.32	371.77	11.130	1.400	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})\,	9.914	9.989	10.064
{\rm log}_{10}({\rm SFR})	-0.280	-0.042	0.217
{\rm log}_{10}({\rm sSFR})	-10.296	-10.015	-9.759
{\rm stellar\ age}	5.010	6.110	7.079

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.092	-0.603	-0.267
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.511	0.051	0.329

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.232	0.375	0.571
\delta	-0.541	-0.188	0.071
\tau_1/\tau_2	0.776	1.088	1.402
Q_{PAH}	0.654	1.714	3.322
U_{min}	2.329	7.084	13.637
{\rm log}_{10}(\gamma_e)\,	-2.849	-1.886	-0.803

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.003	-2.592	-1.701
{\rm log}_{10}(\tau_{AGN})\,	0.951	1.371	1.843

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.238	-0.050	0.094
0.03-0.10 Gyr	-0.374	-0.036	0.294
0.10-0.32 Gyr	-0.168	0.139	0.398
0.32-1.05 Gyr	-0.173	0.124	0.365
1.05-3.39 Gyr	-0.155	0.102	0.291
3.39-10.95 Gyr	-0.110	0.117	0.252
10.95-12.17 Gyr	-0.434	0.094	0.515