2025yhj

Download data

Information

Transient

Name: SN2025yhj
Right ascension: 1h52m50.35s
Declination: 15d55m53.45s
Discovery Date: Sept. 22, 2025, 10:03 p.m.
Classification: SN II
Redshift: 0.025500
MW E(B-V): 0.039

Host

Name:
Right ascension: 1h52m50.59s
Declination: 15d55m52.63s
Redshift: None
Photometric Redshift: 0.026

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	14.86
Transient MWEBV	processed	0.06
Host match	processed	5.82
Host information	processed	0.12
Host MWEBV	processed	0.05
Global aperture construction	processed	0.61
Global aperture photometry	processed	7.16
Validate global photometry	processed	17.8
Global host SED inference	processed	604.05
Local aperture photometry	processed	6.66
Validate local photometry	processed	0.03
Local host SED inference	processed	467.85

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) = 1h52m50.35s, 15d55m53.45s
semi major axis, semi minor axis (arcsec) = 3.9, 3.9
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	27.94	4.21	20.284	0.164	AB
SDSS_g	58.55	2.3	19.481	0.043	AB
DES_g	67.79	0.46	19.322	0.007	AB
PanSTARRS_g	65.96	1.02	19.352	0.017	AB
SDSS_r	99.89	3.34	18.901	0.036	AB
PanSTARRS_r	91.64	1.48	18.995	0.018	AB
DES_r	105.19	0.9	18.845	0.009	AB
SDSS_i	123.65	4.53	18.669	0.040	AB
PanSTARRS_i	116.61	1.61	18.733	0.015	AB
PanSTARRS_z	129.39	2.99	18.620	0.025	AB
SDSS_z	174.77	15.69	18.294	0.097	AB
DES_z	136.91	1.98	18.559	0.016	AB
PanSTARRS_y	141.02	8.48	18.527	0.065	AB
2MASS_J	139.55	101.49	17.643	0.790	Vega
2MASS_H	252.79	134.12	16.525	0.576	Vega
2MASS_K	116.16	203.88	16.900	1.906	Vega

Aperture details

RA, DEC (J2000) = 1h52m50.65s, 15d55m50.98s
semi major axis, semi minor axis (arcsec) = 4.13, 1.84
angle (degrees, anti-clockwise from east) = -87.59

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	12.4	1.82	21.166	0.159	AB
GALEX_NUV	15.55	1.33	20.921	0.093	AB
SDSS_u	18.5	3.15	20.732	0.185	AB
SDSS_g	45.33	1.93	19.759	0.046	AB
DES_g	44.6	0.36	19.777	0.009	AB
PanSTARRS_g	45.55	0.73	19.754	0.017	AB
SDSS_r	72.13	2.65	19.255	0.040	AB
PanSTARRS_r	59.74	1.03	19.459	0.019	AB
DES_r	67.13	0.69	19.333	0.011	AB
SDSS_i	87.36	3.42	19.047	0.043	AB
PanSTARRS_i	72.99	1.09	19.242	0.016	AB
PanSTARRS_z	83.09	2.0	19.101	0.026	AB
SDSS_z	118.57	11.1	18.715	0.102	AB
DES_z	83.18	1.5	19.100	0.020	AB
PanSTARRS_y	77.19	5.61	19.181	0.079	AB
2MASS_J	284.63	102.5	16.869	0.391	Vega
2MASS_H	188.63	132.53	16.843	0.763	Vega
2MASS_K	-86.64	205.64			Vega
WISE_W1	72.18	7.1	16.555	0.107	Vega
WISE_W2	44.28	11.91	16.446	0.292	Vega
WISE_W3	-25.17	47.04			Vega
WISE_W4	-609.67	340.11			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.300	8.463	8.577
{\rm log}_{10}({\rm SFR})	-2.433	-1.637	-0.977
{\rm log}_{10}({\rm sSFR})	-10.932	-10.109	-9.403
{\rm stellar\ age}	4.350	6.785	8.442

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.682	-1.257	-0.817
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.780	-1.171	-0.119

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.147	0.473	0.773
\delta	-0.433	-0.077	0.289
\tau_1/\tau_2	0.682	1.059	1.422
Q_{PAH}	0.889	2.830	5.194
U_{min}	3.217	8.585	15.954
{\rm log}_{10}(\gamma_e)\,	-3.255	-2.305	-0.994

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.191	-1.095	-0.404
{\rm log}_{10}(\tau_{AGN})\,	1.062	1.478	1.902

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.959	-2.167	-1.688
0.03-0.10 Gyr	-2.512	-1.544	-0.827
0.10-0.33 Gyr	-2.185	-1.385	-0.828
0.33-1.10 Gyr	-2.760	-1.619	-1.214
1.10-3.64 Gyr	-2.621	-1.584	-1.296
3.64-12.07 Gyr	-2.321	-1.506	-1.293
12.07-13.42 Gyr	-2.346	-1.473	-0.883

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.207	8.353	8.471
{\rm log}_{10}({\rm SFR})	-1.038	-0.820	-0.530
{\rm log}_{10}({\rm sSFR})	-9.429	-9.161	-8.805
{\rm stellar\ age}	5.566	7.461	11.024

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.740	-1.434	-1.000
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.873	-1.375	0.070

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.412	0.650	0.884
\delta	0.159	0.293	0.369
\tau_1/\tau_2	0.562	1.049	1.521
Q_{PAH}	1.358	3.215	5.107
U_{min}	3.549	10.129	18.170
{\rm log}_{10}(\gamma_e)\,	-3.103	-2.072	-0.945

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.779	-2.040	-1.261
{\rm log}_{10}(\tau_{AGN})\,	1.022	1.458	1.889

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.572	-2.410	-1.805
0.03-0.10 Gyr	-0.883	-0.662	-0.370
0.10-0.33 Gyr	-3.867	-1.954	-1.207
0.33-1.10 Gyr	-4.045	-2.089	-1.579
1.10-3.64 Gyr	-4.344	-2.052	-1.575
3.64-12.07 Gyr	-2.955	-1.690	-1.443
12.07-13.42 Gyr	-2.368	-1.389	-0.523