2025sim

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Information

Transient

Name: AT2025sim
Right ascension: 15h31m08.94s
Declination: 32d50m32.21s
Discovery Date: July 26, 2025, 9:08 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 15h31m08.98s
Declination: 32d50m31.46s
Redshift: None
Photometric Redshift: 0.114

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	5.43
Cutout download	processed	31.32
Global aperture construction	processed	0.65
Local aperture photometry	processed	5.33
Global aperture photometry	processed	4.7
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	14.39
Host information	processed	0.15
Global host SED inference	processed	445.46
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.11
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) = 15h31m08.94s, 32d50m32.21s
semi major axis, semi minor axis (arcsec) = 0.97, 0.97
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) = 15h31m08.97s, 32d50m31.58s
semi major axis, semi minor axis (arcsec) = 4.23, 2.29
angle (degrees, anti-clockwise from east) = -99.58

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	17.33	2.76	20.803	0.173	AB
SDSS_g	26.72	1.57	20.333	0.064	AB
DES_g	25.35	0.3	20.390	0.013	AB
PanSTARRS_g	26.7	0.62	20.334	0.025	AB
SDSS_r	29.79	1.88	20.215	0.069	AB
PanSTARRS_r	30.06	0.72	20.205	0.026	AB
DES_r	33.18	0.7	20.098	0.023	AB
SDSS_i	40.46	2.65	19.882	0.071	AB
PanSTARRS_i	41.02	0.81	19.867	0.021	AB
PanSTARRS_z	41.52	2.05	19.854	0.054	AB
SDSS_z	30.77	7.29	20.180	0.257	AB
PanSTARRS_y	47.07	4.71	19.718	0.109	AB
2MASS_J	99.84	76.94	18.007	0.837	Vega
2MASS_H	-5.91	128.03			Vega
2MASS_K	-108.61	129.29			Vega
WISE_W1	16.1	5.34	18.184	0.360	Vega
WISE_W2	-0.34	7.81			Vega
WISE_W3	30.09	26.16	15.030	0.944	Vega
WISE_W4	43.4	229.73	13.186	5.746	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})\,	8.655	8.920	9.141
{\rm log}_{10}({\rm SFR})	-0.799	-0.252	0.268
{\rm log}_{10}({\rm sSFR})	-9.797	-9.199	-8.521
{\rm stellar\ age}	0.613	3.250	5.657

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.517	-0.801	-0.114
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.060	0.118	0.361

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.150	0.325	0.592
\delta	-0.737	-0.299	0.110
\tau_1/\tau_2	0.609	1.071	1.518
Q_{PAH}	0.746	2.085	3.951
U_{min}	2.923	8.307	15.999
{\rm log}_{10}(\gamma_e)\,	-2.699	-1.515	-0.602

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.586	-1.232	-0.549
{\rm log}_{10}(\tau_{AGN})\,	1.193	1.547	1.836

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.172	-0.668	-0.395
0.03-0.10 Gyr	-0.833	-0.153	0.413
0.10-0.32 Gyr	-0.859	-0.145	0.265
0.32-1.05 Gyr	-2.466	-0.722	-0.240
1.05-3.41 Gyr	-3.086	-1.179	-0.666
3.41-11.06 Gyr	-3.456	-1.504	-0.873
11.06-12.28 Gyr	-3.678	-1.499	-0.697