2025yxd

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Information

Transient

Name: SN2025yxd
Right ascension: 17h35m53.96s
Declination: 55d40m25.11s
Discovery Date: Sept. 30, 2025, 3:47 a.m.
Classification: SN Ia
Redshift: 0.050830
MW E(B-V): 0.038

Host

Name: 3135107
Right ascension: 17h35m54.00s
Declination: 55d40m24.67s
Redshift: None
Photometric Redshift: 0.051

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	16.09
Transient MWEBV	processed	0.15
Host match	processed	5.15
Host information	processed	0.05
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.16
Validate global photometry	processed	14.38
Global host SED inference	processed	1119.36
Local aperture photometry	processed	4.93
Validate local photometry	processed	0.03
Local host SED inference	processed	706.95

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) = 17h35m53.96s, 55d40m25.11s
semi major axis, semi minor axis (arcsec) = 2.02, 2.02
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	23.02	2.08	20.495	0.098	AB
SDSS_g	63.39	2.15	19.395	0.037	AB
PanSTARRS_g	60.65	0.58	19.443	0.010	AB
SDSS_r	87.9	2.64	19.040	0.033	AB
PanSTARRS_r	95.02	0.59	18.955	0.007	AB
SDSS_i	115.77	3.26	18.741	0.031	AB
PanSTARRS_i	117.39	0.8	18.726	0.007	AB
PanSTARRS_z	121.42	1.6	18.689	0.014	AB
SDSS_z	137.7	8.53	18.553	0.067	AB
PanSTARRS_y	106.89	3.11	18.828	0.032	AB

Aperture details

RA, DEC (J2000) = 17h35m54.05s, 55d40m24.23s
semi major axis, semi minor axis (arcsec) = 10.3, 7.69
angle (degrees, anti-clockwise from east) = -78.64

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	44.41	1.45	19.781	0.036	AB
GALEX_NUV	56.31	0.8	19.523	0.015	AB
SDSS_u	86.04	8.09	19.063	0.102	AB
SDSS_g	264.01	5.1	17.846	0.021	AB
PanSTARRS_g	275.32	2.49	17.800	0.010	AB
SDSS_r	340.46	6.75	17.570	0.022	AB
PanSTARRS_r	370.01	2.49	17.479	0.007	AB
SDSS_i	444.0	9.38	17.282	0.023	AB
PanSTARRS_i	476.77	3.44	17.204	0.008	AB
PanSTARRS_z	465.26	6.96	17.231	0.016	AB
SDSS_z	556.49	35.93	17.036	0.070	AB
PanSTARRS_y	329.12	13.33	17.607	0.044	AB
2MASS_J	548.45	208.04	16.157	0.412	Vega
2MASS_H	257.65	301.17	16.505	1.269	Vega
2MASS_K	550.6	314.91	15.210	0.621	Vega
WISE_W2	220.24	22.81	14.704	0.112	Vega
WISE_W3	359.4	53.19	12.337	0.161	Vega
WISE_W4	940.17	263.83	9.847	0.305	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})\,	9.002	9.115	9.229
{\rm log}_{10}({\rm SFR})	-1.808	-1.172	-0.580
{\rm log}_{10}({\rm sSFR})	-10.932	-10.309	-9.665
{\rm stellar\ age}	6.155	7.835	10.852

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.855	-1.623	-1.294
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.912	-1.671	-0.732

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.058	0.226	0.614
\delta	-0.523	-0.030	0.286
\tau_1/\tau_2	0.738	1.114	1.459
Q_{PAH}	0.722	2.289	4.695
U_{min}	2.876	8.195	15.531
{\rm log}_{10}(\gamma_e)\,	-3.143	-2.056	-0.788

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.212	-0.609	-0.100
{\rm log}_{10}(\tau_{AGN})\,	1.162	1.503	1.978

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.975	-1.459	-1.036
0.03-0.10 Gyr	-1.949	-1.130	-0.470
0.10-0.33 Gyr	-2.110	-1.266	-0.701
0.33-1.08 Gyr	-2.441	-1.451	-0.888
1.08-3.57 Gyr	-2.484	-1.272	-0.792
3.57-11.77 Gyr	-1.603	-0.833	-0.644
11.77-13.08 Gyr	-1.270	-0.535	0.219

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.455	9.558	9.674
{\rm log}_{10}({\rm SFR})	-0.965	-0.476	-0.120
{\rm log}_{10}({\rm sSFR})	-10.513	-10.034	-9.666
{\rm stellar\ age}	5.045	6.654	8.428

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.717	-1.429	-1.139
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.949	-1.821	-1.555

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.040	0.149	0.291
\delta	-0.090	0.228	0.361
\tau_1/\tau_2	0.289	0.602	0.963
Q_{PAH}	1.409	3.375	5.449
U_{min}	3.381	8.584	15.908
{\rm log}_{10}(\gamma_e)\,	-3.165	-2.108	-0.851

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.598	-1.560	-1.244
{\rm log}_{10}(\tau_{AGN})\,	0.856	1.200	1.632

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.192	-1.336	-0.854
0.03-0.10 Gyr	-0.945	-0.349	0.036
0.10-0.33 Gyr	-0.590	-0.192	0.137
0.33-1.08 Gyr	-1.260	-0.390	-0.104
1.08-3.57 Gyr	-0.887	-0.386	-0.130
3.57-11.77 Gyr	-0.996	-0.419	-0.213
11.77-13.08 Gyr	-1.044	-0.312	0.348