2025zyx

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Information

Transient

Name: AT2025zyx
Right ascension: 21h02m43.16s
Declination: -7d00m22.86s
Discovery Date: Sept. 18, 2025, 7:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.087

Host

Name: 1025667
Right ascension: 21h02m42.74s
Declination: -7d00m40.75s
Redshift: 0.131238
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.51
Transient MWEBV	processed	0.09
Host match	processed	3.89
Host information	processed	0.05
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.84
Validate global photometry	processed	18.45
Global host SED inference	processed	503.05
Local aperture photometry	processed	6.68
Validate local photometry	no valid phot	0.02
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) = 21h02m43.16s, -7d00m22.86s
semi major axis, semi minor axis (arcsec) = 0.86, 0.86
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) = 21h02m42.73s, -7d00m40.48s
semi major axis, semi minor axis (arcsec) = 11.95, 8.09
angle (degrees, anti-clockwise from east) = -70.01

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.13	0.8	23.767	0.773	AB
GALEX_NUV	2.84	0.73	22.766	0.280	AB
SDSS_u	85.36	9.27	19.072	0.118	AB
SDSS_g	468.45	6.64	17.223	0.015	AB
DES_g	540.28	1.34	17.068	0.003	AB
PanSTARRS_g	559.07	1.86	17.031	0.004	AB
SDSS_r	1454.86	11.11	15.993	0.008	AB
PanSTARRS_r	1513.57	2.44	15.950	0.002	AB
DES_r	1586.54	6.39	15.899	0.004	AB
SDSS_i	2322.68	14.52	15.485	0.007	AB
PanSTARRS_i	2290.48	2.44	15.500	0.001	AB
PanSTARRS_z	3237.39	6.49	15.125	0.002	AB
SDSS_z	3623.83	34.99	15.002	0.010	AB
DES_z	3400.71	10.7	15.071	0.003	AB
PanSTARRS_y	4024.55	15.05	14.888	0.004	AB
2MASS_J	5563.18	244.48	13.642	0.048	Vega
2MASS_H	6674.93	412.98	12.971	0.067	Vega
2MASS_K	7138.92	447.1	12.428	0.068	Vega
WISE_W1	3091.62	47.07	12.476	0.017	Vega
WISE_W2	1928.51	55.21	12.348	0.031	Vega
WISE_W3	758.19	134.95	11.527	0.193	Vega
WISE_W4	1450.15	673.88	9.376	0.505	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})\,	11.592	11.692	11.722
{\rm log}_{10}({\rm SFR})	-2.747	-1.070	-0.342
{\rm log}_{10}({\rm sSFR})	-14.570	-12.780	-11.995
{\rm stellar\ age}	7.814	11.327	11.471

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.643	-0.491	-0.379
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.483	-0.754	0.003

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.216	0.303	0.404
\delta	-0.802	-0.565	-0.337
\tau_1/\tau_2	0.435	0.863	1.333
Q_{PAH}	0.317	1.018	2.130
U_{min}	3.848	10.415	18.250
{\rm log}_{10}(\gamma_e)\,	-2.027	-1.189	-0.560

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.388	-3.452	-2.488
{\rm log}_{10}(\tau_{AGN})\,	1.060	1.587	1.960

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.618	-1.748	-0.637
0.03-0.10 Gyr	-3.338	-1.087	-0.245
0.10-0.32 Gyr	-4.879	-2.054	-0.611
0.32-1.04 Gyr	-5.490	-2.525	-0.804
1.04-3.37 Gyr	-3.530	-1.672	-0.233
3.37-10.87 Gyr	-1.203	0.520	1.877
10.87-12.08 Gyr	1.964	2.849	2.888