2025khn

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Information

Transient

Name: SN2025khn
Right ascension: 13h07m40.31s
Declination: 9d39m31.80s
Discovery Date: May 10, 2025, 6:33 a.m.
Classification: SN Ia
Redshift: 0.056000
MW E(B-V): 0.020

Host

Name: 2025khn
Right ascension: 13h07m40.43s
Declination: 9d39m32.05s
Redshift: 0.055974
Photometric Redshift: 0.074

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	11.68
Transient MWEBV	processed	0.1
Host match	processed	2.43
Host information	processed	0.09
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	5.15
Validate global photometry	processed	15.94
Global host SED inference	processed	456.71
Local aperture photometry	processed	5.33
Validate local photometry	processed	0.03
Local host SED inference	processed	578.42

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) = 13h07m40.31s, 9d39m31.80s
semi major axis, semi minor axis (arcsec) = 1.84, 1.84
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	18.79	1.8	20.715	0.104	AB
SDSS_g	126.64	2.97	18.644	0.025	AB
PanSTARRS_g	140.87	0.53	18.528	0.004	AB
SDSS_r	283.86	4.46	17.767	0.017	AB
PanSTARRS_r	305.66	0.95	17.687	0.003	AB
SDSS_i	421.09	5.5	17.339	0.014	AB
PanSTARRS_i	455.73	1.06	17.253	0.003	AB
PanSTARRS_z	524.03	1.4	17.102	0.003	AB
SDSS_z	572.81	8.01	17.005	0.015	AB
PanSTARRS_y	585.63	3.3	16.981	0.006	AB

Aperture details

RA, DEC (J2000) = 13h07m40.42s, 9d39m32.21s
semi major axis, semi minor axis (arcsec) = 7.47, 4.84
angle (degrees, anti-clockwise from east) = -92.45

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.66	0.93	23.350	0.609	AB
GALEX_NUV	4.42	1.22	22.286	0.300	AB
SDSS_u	51.85	5.19	19.613	0.109	AB
SDSS_g	386.58	5.41	17.432	0.015	AB
PanSTARRS_g	411.68	1.57	17.364	0.004	AB
SDSS_r	845.21	8.08	16.583	0.010	AB
PanSTARRS_r	858.56	2.86	16.566	0.004	AB
SDSS_i	1211.1	10.09	16.192	0.009	AB
PanSTARRS_i	1294.17	3.23	16.120	0.003	AB
PanSTARRS_z	1523.35	4.34	15.943	0.003	AB
SDSS_z	1635.8	19.63	15.866	0.013	AB
PanSTARRS_y	1741.88	10.58	15.797	0.007	AB
2MASS_J	2575.81	190.38	14.478	0.080	Vega
2MASS_H	2572.06	276.47	14.007	0.117	Vega
2MASS_K	2193.03	359.46	13.710	0.178	Vega
WISE_W1	896.68	17.81	13.819	0.022	Vega
WISE_W2	514.14	21.32	13.783	0.045	Vega
WISE_W3	114.44	71.28	13.580	0.676	Vega
WISE_W4	-132.27	413.2			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})\,	9.916	10.008	10.142
{\rm log}_{10}({\rm SFR})	-1.814	-0.965	-0.445
{\rm log}_{10}({\rm sSFR})	-11.914	-10.963	-10.412
{\rm stellar\ age}	7.380	8.500	12.142

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.809	-1.482	-1.104
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.830	-1.099	0.185

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.604	0.801	1.030
\delta	-0.749	-0.497	-0.180
\tau_1/\tau_2	0.574	0.930	1.312
Q_{PAH}	0.761	2.480	4.608
U_{min}	2.687	7.825	15.102
{\rm log}_{10}(\gamma_e)\,	-3.434	-2.300	-1.064

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.842	-2.029	-0.725
{\rm log}_{10}(\tau_{AGN})\,	0.929	1.334	1.861

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.898	-0.861	-0.390
0.03-0.10 Gyr	-2.816	-1.167	-0.469
0.10-0.33 Gyr	-3.467	-1.315	-0.548
0.33-1.08 Gyr	-3.799	-1.319	-0.536
1.08-3.56 Gyr	-3.165	-0.952	-0.132
3.56-11.71 Gyr	-1.237	0.076	0.262
11.71-13.01 Gyr	-0.198	0.514	1.246

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.353	10.417	10.524
{\rm log}_{10}({\rm SFR})	-2.650	-1.024	-0.365
{\rm log}_{10}({\rm sSFR})	-13.103	-11.483	-10.742
{\rm stellar\ age}	7.348	8.324	11.970

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.729	-1.427	-1.152
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.597	-0.711	0.130

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.491	0.605	0.736
\delta	-0.874	-0.731	-0.569
\tau_1/\tau_2	0.453	0.885	1.317
Q_{PAH}	0.549	1.716	3.105
U_{min}	2.524	8.023	16.019
{\rm log}_{10}(\gamma_e)\,	-3.426	-2.698	-1.485

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.559	-3.709	-2.736
{\rm log}_{10}(\tau_{AGN})\,	1.038	1.501	1.904

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.297	-1.553	-0.669
0.03-0.10 Gyr	-3.332	-1.061	-0.259
0.10-0.33 Gyr	-3.205	-0.978	-0.175
0.33-1.08 Gyr	-3.224	-0.933	-0.151
1.08-3.56 Gyr	-2.671	-0.479	0.316
3.56-11.71 Gyr	-0.866	0.504	0.687
11.71-13.01 Gyr	-0.346	0.857	1.637