2026alx

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Information

Transient

Name: AT2026alx
Right ascension: 11h44m00.98s
Declination: 19d17m10.44s
Discovery Date: Jan. 16, 2026, 10:13 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.018

Host

Name:
Right ascension: 11h44m00.83s
Declination: 19d17m08.89s
Redshift: None
Photometric Redshift: 0.047

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	13.75
Transient MWEBV	processed	0.04
Host match	processed	5.12
Host information	processed	0.21
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.23
Validate global photometry	processed	16.87
Global host SED inference	processed	833.25
Local aperture photometry	processed	5.0
Validate local photometry	processed	0.03
Local host SED inference	processed	440.71

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) = 11h44m00.98s, 19d17m10.44s
semi major axis, semi minor axis (arcsec) = 2.15, 2.15
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	17.4	1.82	20.799	0.114	AB
SDSS_g	45.88	1.84	19.746	0.044	AB
PanSTARRS_g	52.92	0.5	19.591	0.010	AB
SDSS_r	72.95	2.38	19.242	0.035	AB
PanSTARRS_r	82.04	0.65	19.115	0.009	AB
DES_r	77.48	0.89	19.177	0.012	AB
SDSS_i	98.4	2.87	18.918	0.032	AB
PanSTARRS_i	108.71	0.8	18.809	0.008	AB
PanSTARRS_z	118.34	1.14	18.717	0.010	AB
SDSS_z	102.05	5.51	18.878	0.059	AB
PanSTARRS_y	133.13	2.97	18.589	0.024	AB

Aperture details

RA, DEC (J2000) = 11h44m01.11s, 19d17m08.84s
semi major axis, semi minor axis (arcsec) = 9.63, 5.39
angle (degrees, anti-clockwise from east) = -86.84

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	35.03	2.01	20.039	0.062	AB
GALEX_NUV	46.47	1.22	19.732	0.029	AB
SDSS_u	142.64	5.9	18.514	0.045	AB
SDSS_g	357.26	5.25	17.518	0.016	AB
PanSTARRS_g	357.61	1.65	17.516	0.005	AB
SDSS_r	577.55	6.88	16.996	0.013	AB
PanSTARRS_r	581.27	2.14	16.989	0.004	AB
DES_r	634.15	2.6	16.895	0.004	AB
SDSS_i	747.33	8.26	16.716	0.012	AB
PanSTARRS_i	732.72	2.62	16.738	0.004	AB
PanSTARRS_z	842.08	3.76	16.587	0.005	AB
SDSS_z	779.93	17.9	16.670	0.025	AB
PanSTARRS_y	889.8	9.81	16.527	0.012	AB
2MASS_J	931.25	196.97	15.582	0.230	Vega
2MASS_H	809.94	248.3	15.261	0.333	Vega
2MASS_K	713.97	296.8	14.928	0.451	Vega
WISE_W1	323.61	16.45	14.926	0.055	Vega
WISE_W2	179.55	19.91	14.926	0.120	Vega
WISE_W3	36.55	98.29	14.819	2.920	Vega
WISE_W4	290.3	433.65	11.123	1.622	Vega

Imaging data

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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})\,	8.866	9.029	9.153
{\rm log}_{10}({\rm SFR})	-1.689	-0.969	-0.453
{\rm log}_{10}({\rm sSFR})	-10.743	-10.028	-9.427
{\rm stellar\ age}	4.555	6.795	8.318

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.706	-1.205	-0.631
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.521	-0.786	-0.047

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.265	0.750	1.028
\delta	-0.410	-0.007	0.271
\tau_1/\tau_2	0.712	1.078	1.422
Q_{PAH}	0.614	2.124	4.620
U_{min}	2.895	8.180	15.188
{\rm log}_{10}(\gamma_e)\,	-3.177	-2.023	-0.544

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.175	-1.223	-0.301
{\rm log}_{10}(\tau_{AGN})\,	1.086	1.480	1.966

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.051	-1.405	-0.923
0.03-0.10 Gyr	-1.707	-0.899	-0.323
0.10-0.33 Gyr	-1.590	-0.875	-0.388
0.33-1.09 Gyr	-1.815	-1.052	-0.648
1.09-3.58 Gyr	-1.666	-0.993	-0.700
3.58-11.81 Gyr	-1.491	-0.905	-0.709
11.81-13.12 Gyr	-1.705	-0.893	-0.302

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.829	9.922	10.034
{\rm log}_{10}({\rm SFR})	-0.758	-0.347	0.064
{\rm log}_{10}({\rm sSFR})	-10.693	-10.271	-9.889
{\rm stellar\ age}	7.743	9.890	12.278

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.833	-1.550	-1.185
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.645	0.338	0.458

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.087	0.158	0.235
\delta	-0.886	-0.649	-0.291
\tau_1/\tau_2	0.584	1.004	1.460
Q_{PAH}	0.692	1.698	3.338
U_{min}	3.424	9.026	16.284
{\rm log}_{10}(\gamma_e)\,	-3.007	-2.140	-1.146

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.120	-3.016	-2.224
{\rm log}_{10}(\tau_{AGN})\,	1.091	1.544	1.918

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.725	-0.938	-0.662
0.03-0.10 Gyr	-0.699	-0.227	0.210
0.10-0.33 Gyr	-3.352	-1.103	-0.445
0.33-1.09 Gyr	-4.881	-1.365	-0.735
1.09-3.58 Gyr	-3.851	-1.366	-0.585
3.58-11.81 Gyr	-1.813	-0.173	0.112
11.81-13.12 Gyr	-0.119	0.772	1.160