2025onh

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Information

Transient

Name: AT2025onh
Right ascension: 15h16m36.25s
Declination: 51d17m22.19s
Discovery Date: June 21, 2025, 6:34 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name:
Right ascension: 15h16m36.24s
Declination: 51d17m22.24s
Redshift: None
Photometric Redshift: 0.195

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	5.82
Cutout download	processed	41.01
Global aperture construction	processed	2.73
Local aperture photometry	processed	6.56
Global aperture photometry	processed	5.88
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	15.67
Host information	processed	0.15
Global host SED inference	processed	438.82
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.12
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) = 15h16m36.25s, 51d17m22.19s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Aperture details

RA, DEC (J2000) = 15h16m36.21s, 51d17m22.47s
semi major axis, semi minor axis (arcsec) = 4.25, 3.28
angle (degrees, anti-clockwise from east) = -97.56

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	-7.42	2.94			AB
SDSS_g	10.04	1.33	21.395	0.144	AB
DES_g	9.65	0.28	21.439	0.031	AB
PanSTARRS_g	12.41	0.81	21.166	0.071	AB
SDSS_r	11.1	1.97	21.287	0.193	AB
PanSTARRS_r	17.79	1.05	20.775	0.064	AB
SDSS_i	25.91	3.43	20.366	0.144	AB
PanSTARRS_i	19.73	1.3	20.662	0.072	AB
PanSTARRS_z	24.31	2.17	20.436	0.097	AB
SDSS_z	27.8	14.17	20.290	0.553	AB
DES_z	19.76	1.53	20.660	0.084	AB
PanSTARRS_y	32.99	6.66	20.104	0.219	AB
2MASS_J	-15.65	97.42			Vega
2MASS_H	-184.64	156.14			Vega
2MASS_K	-103.11	155.08			Vega
WISE_W1	5.68	5.82	19.315	1.112	Vega
WISE_W2	11.87	7.26	17.875	0.664	Vega
WISE_W3	5.02	34.65	16.974	7.494	Vega
WISE_W4	129.76	253.11	11.997	2.118	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.953	9.207	9.401
{\rm log}_{10}({\rm SFR})	-0.964	-0.079	0.539
{\rm log}_{10}({\rm sSFR})	-10.237	-9.326	-8.459
{\rm stellar\ age}	0.219	1.483	4.547

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.608	-0.924	-0.153
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.466	-0.372	0.150

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.347	0.713	1.209
\delta	-0.535	-0.170	0.131
\tau_1/\tau_2	0.619	1.027	1.440
Q_{PAH}	1.515	3.504	5.584
U_{min}	3.464	9.233	17.276
{\rm log}_{10}(\gamma_e)\,	-3.024	-1.829	-0.800

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.217	-1.035	-0.093
{\rm log}_{10}(\tau_{AGN})\,	0.990	1.378	1.834

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.501	-0.343	0.134
0.03-0.10 Gyr	-1.451	-0.067	0.653
0.10-0.32 Gyr	-0.619	0.210	0.739
0.32-1.01 Gyr	-2.161	-0.305	0.254
1.01-3.22 Gyr	-4.148	-1.240	-0.377
3.22-10.23 Gyr	-5.047	-1.789	-0.696
10.23-11.36 Gyr	-5.300	-1.752	-0.577