2025yiu

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Information

Transient

Name: SN2025yiu
Right ascension: 10h04m06.11s
Declination: 45d02m09.28s
Discovery Date: Sept. 23, 2025, 2:53 p.m.
Classification: SN Ia
Redshift: 0.023453
MW E(B-V): 0.010

Host

Name: PGC029195
Right ascension: 10h04m04.80s
Declination: 45d02m06.00s
Redshift: None
Photometric Redshift: 0.022

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.72
Transient MWEBV	processed	0.04
Host match	processed	5.11
Host information	processed	0.04
Host MWEBV	processed	0.1
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.24
Validate global photometry	processed	14.47
Global host SED inference	processed	454.64
Local aperture photometry	processed	5.07
Validate local photometry	processed	0.02
Local host SED inference	processed	450.16

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) = 10h04m06.11s, 45d02m09.28s
semi major axis, semi minor axis (arcsec) = 4.23, 4.23
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	16.3	3.96	20.870	0.264	AB
SDSS_u	55.68	3.45	19.536	0.067	AB
SDSS_g	105.06	2.86	18.846	0.030	AB
PanSTARRS_g	94.08	1.13	18.966	0.013	AB
SDSS_r	138.93	3.47	18.543	0.027	AB
PanSTARRS_r	137.6	1.04	18.553	0.008	AB
SDSS_i	168.27	4.27	18.335	0.028	AB
PanSTARRS_i	153.3	0.99	18.436	0.007	AB
PanSTARRS_z	179.4	2.29	18.265	0.014	AB
SDSS_z	180.07	14.79	18.261	0.089	AB
PanSTARRS_y	248.07	8.66	17.914	0.038	AB
2MASS_J	90.07	80.15	18.119	0.966	Vega
2MASS_H	346.16	106.91	16.184	0.335	Vega
2MASS_K	202.19	140.71	16.298	0.756	Vega

Aperture details

RA, DEC (J2000) = 10h04m04.79s, 45d02m06.35s
semi major axis, semi minor axis (arcsec) = 24.26, 21.2
angle (degrees, anti-clockwise from east) = -15.93

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	698.52	8.81	16.790	0.014	AB
SDSS_u	1860.21	19.02	15.726	0.011	AB
PanSTARRS_r	7305.94	5.72	14.241	0.001	AB
SDSS_i	9097.86	28.56	14.003	0.003	AB
PanSTARRS_z	10648.95	12.45	13.832	0.001	AB
2MASS_H	15796.73	577.47	12.036	0.040	Vega
WISE_W1	7365.68	56.67	11.533	0.008	Vega
WISE_W2	4472.96	63.47	11.435	0.015	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.738	8.194	8.465
{\rm log}_{10}({\rm SFR})	-0.896	-0.439	-0.162
{\rm log}_{10}({\rm sSFR})	-9.223	-8.533	-7.935
{\rm stellar\ age}	0.116	4.446	7.503

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.229	-0.338	-0.063
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.016	0.174	0.339

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.304	0.680	1.194
\delta	-0.321	-0.035	0.098
\tau_1/\tau_2	0.780	1.217	1.638
Q_{PAH}	0.388	1.189	2.577
U_{min}	3.078	9.056	16.686
{\rm log}_{10}(\gamma_e)\,	-3.417	-2.221	-1.113

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.825	-1.773	-0.331
{\rm log}_{10}(\tau_{AGN})\,	0.940	1.336	1.796

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.486	-1.115	-0.779
0.03-0.10 Gyr	-0.782	-0.309	-0.022
0.10-0.33 Gyr	-3.574	-1.773	-1.029
0.33-1.10 Gyr	-5.303	-2.197	-1.519
1.10-3.65 Gyr	-5.581	-2.159	-1.523
3.65-12.10 Gyr	-5.838	-2.227	-1.514
12.10-13.44 Gyr	-5.920	-2.160	-1.177

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.913	10.101	10.219
{\rm log}_{10}({\rm SFR})	-0.588	0.393	0.924
{\rm log}_{10}({\rm sSFR})	-10.499	-9.697	-9.119
{\rm stellar\ age}	2.340	5.534	7.425

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.755	-0.376	-0.172
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.779	-1.103	-0.032

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.245	0.386	0.584
\delta	-0.596	-0.280	0.055
\tau_1/\tau_2	0.622	0.993	1.364
Q_{PAH}	0.380	1.843	3.921
U_{min}	2.804	7.501	14.233
{\rm log}_{10}(\gamma_e)\,	-3.303	-1.980	-1.370

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.888	-2.593	-2.012
{\rm log}_{10}(\tau_{AGN})\,	0.899	1.287	1.841

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.670	-0.278	0.151
0.03-0.10 Gyr	-0.599	0.508	1.073
0.10-0.33 Gyr	0.090	0.664	1.136
0.33-1.10 Gyr	-0.495	0.291	0.647
1.10-3.65 Gyr	-0.854	0.122	0.423
3.65-12.10 Gyr	-1.137	0.017	0.315
12.10-13.44 Gyr	-1.257	-0.037	0.549