2025iyg results

2025iyg results

Information

Transient

Name:	`AT2025iyg`
Right ascension:	`16h04m02.43s`
Declination:	`-14d43m00.73s`
Discovery Date:	`April 25, 2025, 9:04 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.175`

Host

Name:	`2025iyg`
Right ascension:	`16h04m02.19s`
Declination:	`-14d43m00.77s`
Redshift:	`0.095585`
Photometric Redshift:	`0.064`

Cutout Download Report

Downloaded	Unavailable
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

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	4.4
Transient MWEBV	processed	0.08
Host match	processed	2.42
Host information	processed	0.08
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	4.34
Validate global photometry	processed	12.15
Global host SED inference	processed	470.1
Local aperture photometry	processed	4.28
Validate local photometry	processed	0.02
Local host SED inference	processed	456.7

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	16h04m02.43s, -14d43m00.73s
semi major axis, semi minor axis (arcsec):	1.13, 1.13
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	36.61	0.25	19.991	0.008	AB
PanSTARRS_z	46.92	0.79	19.722	0.018	AB
PanSTARRS_y	60.03	1.69	19.454	0.031	AB

Aperture details

RA, DEC (J2000):	16h04m02.20s, -14d43m00.54s
semi major axis, semi minor axis (arcsec):	10.85, 10.57
angle (degrees, anti-clockwise from east):	-114.52

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	32.53	10.52	20.119	0.351	AB
PanSTARRS_r	952.14	3.31	16.453	0.004	AB
PanSTARRS_i	1600.45	2.34	15.889	0.002	AB
PanSTARRS_z	2141.18	7.43	15.573	0.004	AB
PanSTARRS_y	2622.72	15.91	15.353	0.007	AB
2MASS_H	4573.58	326.94	13.382	0.078	Vega
WISE_W2	1428.04	40.73	12.674	0.031	Vega
WISE_W3	2485.65	151.72	10.237	0.066	Vega
WISE_W4	1596.35	712.45	9.272	0.485	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.178	9.404	9.560
{\rm log}_{10}({\rm SFR})	-1.171	-0.536	-0.002
{\rm log}_{10}({\rm sSFR})	-10.602	-9.955	-9.329
{\rm stellar\ age}	4.674	6.616	8.976

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.904	-0.376	-0.041
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.155	-0.541	0.141

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.406	0.742	1.165
\delta	-0.592	-0.223	0.075
\tau_1/\tau_2	0.568	0.950	1.337
Q_{PAH}	0.985	2.973	5.229
U_{min}	3.076	7.912	14.799
{\rm log}_{10}(\gamma_e)\,	-3.058	-1.968	-0.648

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.862	-0.885	-0.151
{\rm log}_{10}(\tau_{AGN})\,	1.067	1.477	1.972

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.034	-0.459	-0.099
0.03-0.10 Gyr	-1.622	-0.692	0.064
0.10-0.33 Gyr	-1.914	-0.906	-0.284
0.33-1.06 Gyr	-1.958	-0.854	-0.341
1.06-3.46 Gyr	-1.981	-0.727	-0.380
3.46-11.26 Gyr	-1.329	-0.575	-0.314
11.26-12.51 Gyr	-1.286	-0.476	0.297

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.064	11.123	11.218
{\rm log}_{10}({\rm SFR})	-0.280	0.035	0.537
{\rm log}_{10}({\rm sSFR})	-11.401	-11.077	-10.652
{\rm stellar\ age}	6.830	7.699	10.168

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.288	-0.138	-0.045
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.426	-0.436	0.197

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.074	0.148	0.266
\delta	-0.406	0.021	0.288
\tau_1/\tau_2	0.328	0.702	1.113
Q_{PAH}	1.211	3.164	5.026
U_{min}	2.359	7.410	14.488
{\rm log}_{10}(\gamma_e)\,	-2.116	-1.093	-0.437

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.443	-3.351	-2.137
{\rm log}_{10}(\tau_{AGN})\,	1.104	1.647	1.971

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.000	0.232	0.508
0.03-0.10 Gyr	-0.956	-0.118	0.551
0.10-0.33 Gyr	-1.045	-0.207	0.309
0.33-1.06 Gyr	-0.730	0.038	0.496
1.06-3.46 Gyr	-0.218	0.740	1.178
3.46-11.26 Gyr	0.886	1.280	1.398
11.26-12.51 Gyr	0.883	1.468	2.169