2026add

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Information

Transient

Name: AT2026add
Right ascension: 8h29m43.45s
Declination: 19d15m02.44s
Discovery Date: Jan. 12, 2026, 8:11 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 8h29m43.43s
Declination: 19d15m02.44s
Redshift: None
Photometric Redshift: 0.146

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.8
Transient MWEBV	processed	0.04
Host match	processed	6.18
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	0.67
Global aperture photometry	processed	6.61
Validate global photometry	processed	19.17
Global host SED inference	processed	399.43
Local aperture photometry	processed	6.26
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) = 8h29m43.45s, 19d15m02.44s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
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) = 8h29m43.42s, 19d15m02.54s
semi major axis, semi minor axis (arcsec) = 5.06, 3.83
angle (degrees, anti-clockwise from east) = -91.38

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.66	2.34	22.017	0.449	AB
GALEX_NUV	9.89	0.53	21.412	0.058	AB
SDSS_u	11.69	3.64	21.231	0.338	AB
SDSS_g	71.77	2.48	19.260	0.038	AB
DES_g	79.65	0.48	19.147	0.007	AB
PanSTARRS_g	76.42	1.01	19.192	0.014	AB
SDSS_r	146.35	3.66	18.487	0.027	AB
PanSTARRS_r	151.88	1.16	18.446	0.008	AB
DES_r	161.51	1.19	18.380	0.008	AB
SDSS_i	208.58	4.84	18.102	0.025	AB
PanSTARRS_i	201.14	1.13	18.141	0.006	AB
PanSTARRS_z	230.08	2.74	17.995	0.013	AB
SDSS_z	270.63	16.6	17.819	0.067	AB
DES_z	265.51	2.72	17.840	0.011	AB
PanSTARRS_y	269.64	6.41	17.823	0.026	AB
2MASS_J	582.24	125.41	16.092	0.234	Vega
2MASS_H	510.07	184.37	15.763	0.392	Vega
2MASS_K	699.55	195.59	14.950	0.304	Vega
WISE_W1	176.1	10.03	15.587	0.062	Vega
WISE_W2	118.74	15.77	15.374	0.144	Vega
WISE_W3	336.06	80.31	12.410	0.259	Vega
WISE_W4	232.11	530.03	11.366	2.479	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})\,	10.313	10.352	10.388
{\rm log}_{10}({\rm SFR})	-0.273	-0.048	0.180
{\rm log}_{10}({\rm sSFR})	-10.622	-10.399	-10.163
{\rm stellar\ age}	6.121	6.788	7.757

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.635	-0.407	-0.195
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.202	-0.679	-0.206

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.110	0.186	0.298
\delta	-0.716	-0.379	-0.066
\tau_1/\tau_2	0.713	1.046	1.394
Q_{PAH}	0.809	1.976	3.805
U_{min}	2.665	7.365	13.730
{\rm log}_{10}(\gamma_e)\,	-2.382	-1.487	-0.617

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.004	-2.622	-1.553
{\rm log}_{10}(\tau_{AGN})\,	1.074	1.588	1.933

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.225	-0.039	0.122
0.03-0.10 Gyr	-0.380	-0.054	0.247
0.10-0.32 Gyr	-0.175	0.137	0.373
0.32-1.04 Gyr	-0.119	0.161	0.360
1.04-3.33 Gyr	-0.005	0.286	0.497
3.33-10.71 Gyr	0.387	0.530	0.620
10.71-11.90 Gyr	0.160	0.623	1.067