2026apx

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Information

Transient

Name: AT2026apx
Right ascension: 23h02m08.87s
Declination: 39d30m04.73s
Discovery Date: Jan. 15, 2026, 2:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.116

Host

Name: 2150864
Right ascension: 23h02m08.58s
Declination: 39d30m00.54s
Redshift: 0.045242
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	5.19
Transient MWEBV	processed	0.11
Host match	processed	4.68
Host information	processed	0.09
Host MWEBV	processed	0.2
Global aperture construction	processed	0.66
Global aperture photometry	processed	3.95
Validate global photometry	processed	11.65
Global host SED inference	processed	401.03
Local aperture photometry	processed	3.75
Validate local photometry	processed	0.02
Local host SED inference	processed	451.28

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) = 23h02m08.87s, 39d30m04.73s
semi major axis, semi minor axis (arcsec) = 2.25, 2.25
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	103.73	0.68	18.860	0.007	AB
PanSTARRS_r	206.76	0.95	18.111	0.005	AB
PanSTARRS_i	302.89	0.81	17.697	0.003	AB
PanSTARRS_z	380.08	1.69	17.450	0.005	AB
PanSTARRS_y	486.92	3.83	17.181	0.009	AB

Aperture details

RA, DEC (J2000) = 23h02m08.56s, 39d30m00.19s
semi major axis, semi minor axis (arcsec) = 16.42, 14.37
angle (degrees, anti-clockwise from east) = -131.9

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	53.68	8.4	19.575	0.170	AB
GALEX_NUV	116.87	6.08	18.731	0.056	AB
PanSTARRS_g	2482.37	4.58	15.413	0.002	AB
PanSTARRS_r	4838.84	6.35	14.688	0.001	AB
PanSTARRS_i	6974.31	5.33	14.291	0.001	AB
PanSTARRS_z	8606.97	11.46	14.063	0.001	AB
PanSTARRS_y	10820.61	26.33	13.814	0.003	AB
2MASS_J	14485.56	437.46	12.603	0.033	Vega
2MASS_H	17825.58	670.07	11.905	0.041	Vega
2MASS_K	16177.63	729.57	11.540	0.049	Vega
WISE_W1	7851.15	54.09	11.464	0.007	Vega
WISE_W2	5035.7	59.23	11.306	0.013	Vega
WISE_W3	21968.84	195.09	7.871	0.010	Vega
WISE_W4	21883.93	1299.75	6.430	0.064	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})\,	9.534	9.657	9.784
{\rm log}_{10}({\rm SFR})	-1.363	-0.677	-0.190
{\rm log}_{10}({\rm sSFR})	-11.040	-10.364	-9.791
{\rm stellar\ age}	5.701	7.551	9.924

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.217	-0.650	-0.255
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.250	0.068	0.351

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.226	0.770	1.194
\delta	-0.579	-0.115	0.191
\tau_1/\tau_2	0.636	0.962	1.308
Q_{PAH}	0.508	1.955	4.060
U_{min}	2.741	7.521	14.340
{\rm log}_{10}(\gamma_e)\,	-3.338	-2.341	-0.827

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.679	-1.246	-0.419
{\rm log}_{10}(\tau_{AGN})\,	0.913	1.270	1.833

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.347	-0.736	-0.292
0.03-0.10 Gyr	-1.695	-0.712	-0.125
0.10-0.33 Gyr	-1.732	-0.748	-0.147
0.33-1.09 Gyr	-1.751	-0.744	-0.194
1.09-3.59 Gyr	-1.509	-0.499	-0.140
3.59-11.84 Gyr	-0.808	-0.292	-0.092
11.84-13.15 Gyr	-0.752	-0.092	0.627

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.884	10.955	11.052
{\rm log}_{10}({\rm SFR})	0.614	0.873	1.173
{\rm log}_{10}({\rm sSFR})	-10.386	-10.086	-9.745
{\rm stellar\ age}	7.095	8.015	10.457

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.662	-0.401	-0.170
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.078	0.022	0.355

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.283	0.425	0.616
\delta	-0.798	-0.437	-0.202
\tau_1/\tau_2	0.672	1.068	1.459
Q_{PAH}	0.889	1.636	2.881
U_{min}	2.025	5.997	12.058
{\rm log}_{10}(\gamma_e)\,	-3.567	-2.531	-1.763

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.759	-2.490	-1.723
{\rm log}_{10}(\tau_{AGN})\,	1.164	1.644	1.959

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.259	0.704	0.951
0.03-0.10 Gyr	0.486	0.921	1.307
0.10-0.33 Gyr	-0.200	0.561	0.978
0.33-1.09 Gyr	-0.520	0.349	0.735
1.09-3.59 Gyr	-0.358	0.551	0.907
3.59-11.84 Gyr	0.738	1.068	1.194
11.84-13.15 Gyr	0.823	1.314	1.972