2025ymh

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Information

Transient

Name: SN2025ymh
Right ascension: 2h46m27.87s
Declination: 3d36m34.51s
Discovery Date: Sept. 24, 2025, 10:26 p.m.
Classification: SN II
Redshift: 0.023000
MW E(B-V): 0.032

Host

Name: NGC1085
Right ascension: 2h46m25.31s
Declination: 3d36m25.82s
Redshift: 0.021706
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	17.5
Transient MWEBV	processed	0.04
Host match	processed	4.84
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.68
Validate global photometry	processed	13.6
Global host SED inference	processed	385.2
Local aperture photometry	processed	5.78
Validate local photometry	processed	0.03
Local host SED inference	processed	1134.3

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) = 2h46m27.87s, 3d36m34.51s
semi major axis, semi minor axis (arcsec) = 4.56, 4.56
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	18.76	4.3	20.717	0.249	AB
SDSS_u	14.86	4.24	20.970	0.310	AB
SDSS_g	31.73	2.22	20.146	0.076	AB
DES_g	33.24	0.58	20.096	0.019	AB
PanSTARRS_g	41.29	2.34	19.860	0.062	AB
SDSS_r	30.03	3.23	20.206	0.117	AB
PanSTARRS_r	44.35	1.45	19.783	0.036	AB
DES_r	42.8	0.9	19.821	0.023	AB
SDSS_i	30.62	4.75	20.185	0.168	AB
PanSTARRS_i	55.42	1.25	19.541	0.024	AB
PanSTARRS_z	47.88	2.99	19.700	0.068	AB
SDSS_z	-2.24	15.6			AB
DES_z	51.29	1.98	19.625	0.042	AB
PanSTARRS_y	62.59	7.72	19.409	0.134	AB
2MASS_J	12.63	105.13	20.252	9.037	Vega
2MASS_H	88.65	172.8	17.663	2.116	Vega
2MASS_K	204.38	173.75	16.286	0.923	Vega

Aperture details

RA, DEC (J2000) = 2h46m25.28s, 3d36m26.30s
semi major axis, semi minor axis (arcsec) = 34.99, 23.23
angle (degrees, anti-clockwise from east) = -174.81

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	689.45	26.71	16.804	0.042	AB
GALEX_NUV	1060.77	20.33	16.336	0.021	AB
PanSTARRS_r	23999.08	10.14	12.950	0.000	AB
DES_z	42907.62	28.18	12.319	0.001	AB
2MASS_J	61013.31	665.76	11.042	0.012	Vega
2MASS_K	63190.12	1094.79	10.061	0.019	Vega
WISE_W1	33892.51	144.33	9.876	0.005	Vega
WISE_W2	20507.78	139.0	9.781	0.007	Vega
WISE_W3	68612.88	492.64	6.635	0.008	Vega
WISE_W4	72523.91	5063.01	5.129	0.076	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})\,	7.685	7.865	8.003
{\rm log}_{10}({\rm SFR})	-1.730	-1.082	-0.562
{\rm log}_{10}({\rm sSFR})	-9.628	-8.986	-8.334
{\rm stellar\ age}	0.700	5.465	8.060

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.787	-1.510	-1.156
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.852	-0.539	-0.273

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.287	0.916	1.361
\delta	0.240	0.332	0.383
\tau_1/\tau_2	0.567	1.015	1.430
Q_{PAH}	1.268	3.028	5.285
U_{min}	3.134	9.140	16.968
{\rm log}_{10}(\gamma_e)\,	-3.220	-2.160	-0.855

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.804	-1.840	-0.288
{\rm log}_{10}(\tau_{AGN})\,	0.990	1.603	2.011

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.229	-1.756	-1.367
0.03-0.10 Gyr	-1.651	-0.958	-0.414
0.10-0.33 Gyr	-2.974	-1.822	-1.141
0.33-1.10 Gyr	-3.792	-2.309	-1.741
1.10-3.65 Gyr	-4.325	-2.310	-1.852
3.65-12.12 Gyr	-5.017	-2.317	-1.920
12.12-13.47 Gyr	-5.068	-2.328	-1.504

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.825	10.905	11.000
{\rm log}_{10}({\rm SFR})	0.292	0.548	0.759
{\rm log}_{10}({\rm sSFR})	-10.598	-10.366	-10.138
{\rm stellar\ age}	6.103	7.316	8.490

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.696	-0.381	-0.086
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.434	-0.836	-0.096

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.330	0.527	0.737
\delta	-0.266	-0.024	0.152
\tau_1/\tau_2	0.351	0.712	1.092
Q_{PAH}	0.908	1.647	3.055
U_{min}	1.734	5.263	11.822
{\rm log}_{10}(\gamma_e)\,	-3.601	-3.029	-2.122

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.080	-3.048	-2.207
{\rm log}_{10}(\tau_{AGN})\,	1.055	1.503	1.905

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.270	0.683	0.916
0.03-0.10 Gyr	-0.109	0.445	0.792
0.10-0.33 Gyr	-0.277	0.416	0.861
0.33-1.10 Gyr	0.053	0.625	0.932
1.10-3.65 Gyr	0.509	0.931	1.155
3.65-12.12 Gyr	0.787	1.001	1.167
12.12-13.47 Gyr	0.496	1.037	1.494