2025umy

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Information

Transient

Name: AT2025umy
Right ascension: 0h00m00.84s
Declination: -5d35m01.05s
Discovery Date: Aug. 16, 2025, 8:45 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 0h00m00.93s
Declination: -5d35m00.72s
Redshift: None
Photometric Redshift: 0.181

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.77
Cutout download	processed	20.06
Global aperture construction	processed	0.61
Local aperture photometry	processed	5.24
Global aperture photometry	processed	4.45
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	13.49
Host information	processed	0.14
Global host SED inference	processed	1132.83
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.05
Processing status	blocked	N/A	N/A

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) = 0h00m00.84s, -5d35m01.05s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
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) = 0h00m00.91s, -5d35m00.22s
semi major axis, semi minor axis (arcsec) = 3.95, 3.21
angle (degrees, anti-clockwise from east) = -49.43

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.66	2.12	22.230	0.493	AB
GALEX_NUV	3.43	1.81	22.561	0.573	AB
SDSS_u	2.91	2.82	22.741	1.052	AB
SDSS_g	-3.31	1.42			AB
PanSTARRS_g	28.64	0.91	20.258	0.035	AB
SDSS_r	4.68	1.82	22.225	0.423	AB
PanSTARRS_r	62.36	0.71	19.413	0.012	AB
SDSS_i	10.08	2.56	21.391	0.276	AB
PanSTARRS_i	97.05	0.97	18.933	0.011	AB
PanSTARRS_z	111.63	2.35	18.781	0.023	AB
SDSS_z	31.1	9.12	20.168	0.318	AB
PanSTARRS_y	119.4	6.3	18.707	0.057	AB
2MASS_J	-77.94	109.68			Vega
2MASS_H	378.62	173.53	16.087	0.498	Vega
2MASS_K	-226.49	211.12			Vega
WISE_W1	45.18	8.05	17.064	0.194	Vega
WISE_W2	27.73	13.38	16.953	0.524	Vega
WISE_W3	174.63	69.85	13.121	0.434	Vega
WISE_W4	-299.37	437.33			Vega

Imaging data

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})\,	9.915	10.052	10.163
{\rm log}_{10}({\rm SFR})	-0.834	0.113	0.748
{\rm log}_{10}({\rm sSFR})	-10.919	-9.955	-9.264
{\rm stellar\ age}	3.276	5.054	6.291

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.493	-0.242	0.024
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.828	-0.608	-0.412

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.222	0.440	0.623
\delta	-0.950	-0.832	-0.642
\tau_1/\tau_2	0.545	0.964	1.398
Q_{PAH}	1.198	3.380	5.394
U_{min}	2.634	8.047	15.510
{\rm log}_{10}(\gamma_e)\,	-2.129	-1.069	-0.373

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.545	-1.674	-0.739
{\rm log}_{10}(\tau_{AGN})\,	1.270	1.688	1.958

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.308	-0.323	0.091
0.03-0.10 Gyr	-0.888	0.213	0.891
0.10-0.32 Gyr	-0.148	0.549	0.922
0.32-1.02 Gyr	-0.199	0.397	0.712
1.02-3.25 Gyr	-0.274	0.168	0.434
3.25-10.37 Gyr	-0.453	0.057	0.292
10.37-11.52 Gyr	-0.595	0.092	0.616