2025yyo

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Information

Transient

Name: AT2025yyo
Right ascension: 4h52m50.43s
Declination: -5d56m42.70s
Discovery Date: Sept. 20, 2025, 10:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name:
Right ascension: 4h52m50.49s
Declination: -5d56m38.96s
Redshift: None
Photometric Redshift: 0.158

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	1.7
Transient MWEBV	processed	0.14
Host match	processed	7.1
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.61
Global aperture photometry	processed	6.74
Validate global photometry	processed	16.3
Global host SED inference	processed	512.91
Local aperture photometry	processed	6.61
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) = 4h52m50.43s, -5d56m42.70s
semi major axis, semi minor axis (arcsec) = 0.73, 0.73
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) = 4h52m50.48s, -5d56m38.94s
semi major axis, semi minor axis (arcsec) = 3.63, 3.35
angle (degrees, anti-clockwise from east) = -2.59

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	12.52	3.23	21.156	0.280	AB
SDSS_g	40.86	2.08	19.872	0.055	AB
DES_g	46.38	0.47	19.734	0.011	AB
PanSTARRS_g	47.06	0.89	19.718	0.021	AB
SDSS_r	109.87	3.08	18.798	0.030	AB
PanSTARRS_r	110.43	1.12	18.792	0.011	AB
DES_r	122.83	1.11	18.677	0.010	AB
SDSS_i	168.53	4.38	18.333	0.028	AB
PanSTARRS_i	159.4	1.27	18.394	0.009	AB
PanSTARRS_z	202.11	2.71	18.136	0.015	AB
SDSS_z	245.57	9.21	17.925	0.041	AB
DES_z	225.45	2.51	18.017	0.012	AB
PanSTARRS_y	229.18	5.25	18.000	0.025	AB
2MASS_J	332.44	89.43	16.701	0.292	Vega
2MASS_H	404.76	136.88	16.014	0.367	Vega
2MASS_K	600.97	180.95	15.115	0.327	Vega
WISE_W1	110.8	9.78	16.090	0.096	Vega
WISE_W2	77.32	13.86	15.840	0.195	Vega
WISE_W3	-59.69	58.99			Vega
WISE_W4	-132.7	396.85			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})\,	10.404	10.466	10.587
{\rm log}_{10}({\rm SFR})	-1.401	-0.336	0.310
{\rm log}_{10}({\rm sSFR})	-12.014	-10.824	-10.122
{\rm stellar\ age}	6.845	7.910	11.099

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.551	-1.185	-0.882
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.369	-0.649	-0.064

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.278	0.418	0.572
\delta	-0.922	-0.770	-0.560
\tau_1/\tau_2	0.550	1.013	1.448
Q_{PAH}	1.011	2.846	4.927
U_{min}	3.270	9.261	16.560
{\rm log}_{10}(\gamma_e)\,	-2.443	-1.391	-0.386

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.280	-2.998	-1.741
{\rm log}_{10}(\tau_{AGN})\,	1.021	1.520	1.895

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.693	-0.472	0.025
0.03-0.10 Gyr	-2.072	-0.329	0.415
0.10-0.32 Gyr	-3.279	-0.736	0.143
0.32-1.03 Gyr	-4.572	-1.148	-0.153
1.03-3.30 Gyr	-3.496	-0.761	0.188
3.30-10.60 Gyr	-1.344	0.588	0.762
10.60-11.77 Gyr	0.204	1.085	1.763