2025zyw

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Information

Transient

Name: AT2025zyw
Right ascension: 0h46m08.35s
Declination: 1d55m27.75s
Discovery Date: Sept. 30, 2025, 8:59 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name:
Right ascension: 0h46m08.48s
Declination: 1d55m29.21s
Redshift: None
Photometric Redshift: 0.128

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.73
Transient MWEBV	processed	0.05
Host match	processed	7.19
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	2.76
Global aperture photometry	processed	6.87
Validate global photometry	processed	17.58
Global host SED inference	processed	435.35
Local aperture photometry	processed	6.9
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) = 0h46m08.35s, 1d55m27.75s
semi major axis, semi minor axis (arcsec) = 0.87, 0.87
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) = 0h46m08.47s, 1d55m29.42s
semi major axis, semi minor axis (arcsec) = 4.45, 3.14
angle (degrees, anti-clockwise from east) = -113.03

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	-1.09	3.95			AB
SDSS_g	14.73	1.58	20.979	0.117	AB
DES_g	19.38	0.25	20.681	0.014	AB
PanSTARRS_g	19.01	1.08	20.702	0.062	AB
SDSS_r	36.15	2.39	20.005	0.072	AB
PanSTARRS_r	29.14	0.96	20.239	0.036	AB
DES_r	36.09	0.36	20.006	0.011	AB
SDSS_i	42.33	3.72	19.833	0.095	AB
PanSTARRS_i	39.45	1.2	19.910	0.033	AB
PanSTARRS_z	50.72	2.52	19.637	0.054	AB
SDSS_z	48.41	12.14	19.688	0.272	AB
DES_z	53.43	1.0	19.580	0.020	AB
PanSTARRS_y	51.69	5.27	19.616	0.111	AB
2MASS_J	43.04	114.19	18.921	2.881	Vega
2MASS_H	160.16	183.81	17.021	1.246	Vega
2MASS_K	395.13	200.72	15.570	0.552	Vega
WISE_W1	33.23	9.05	17.397	0.296	Vega
WISE_W2	10.06	15.29	18.055	1.651	Vega
WISE_W3	-97.18	84.59			Vega
WISE_W4	469.58	531.77	10.601	1.229	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})\,	9.242	9.404	9.538
{\rm log}_{10}({\rm SFR})	-3.016	-1.197	-0.142
{\rm log}_{10}({\rm sSFR})	-12.307	-10.574	-9.438
{\rm stellar\ age}	1.694	4.887	6.698

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.507	-0.919	-0.391
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.613	-0.853	0.079

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.240	0.537	0.838
\delta	-0.583	-0.205	0.166
\tau_1/\tau_2	0.569	0.960	1.362
Q_{PAH}	1.133	2.838	4.873
U_{min}	3.406	9.535	17.229
{\rm log}_{10}(\gamma_e)\,	-2.639	-1.558	-0.634

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.300	-1.057	-0.378
{\rm log}_{10}(\tau_{AGN})\,	1.185	1.595	1.908

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.377	-2.017	-1.095
0.03-0.10 Gyr	-3.243	-1.135	0.003
0.10-0.32 Gyr	-2.047	-0.514	0.164
0.32-1.04 Gyr	-1.153	-0.240	0.244
1.04-3.37 Gyr	-2.148	-0.464	-0.100
3.37-10.90 Gyr	-2.732	-0.707	-0.345
10.90-12.11 Gyr	-3.045	-0.769	-0.053