2025nkf

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Information

Transient

Name: SN2025nkf
Right ascension: 9h53m03.80s
Declination: 19d26m26.71s
Discovery Date: June 13, 2025, 5:57 a.m.
Classification: SN IIb
Redshift: 0.025400
MW E(B-V): 0.029

Host

Name: NGC3040
Right ascension: 9h53m05.10s
Declination: 19d25m56.12s
Redshift: 0.025401
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	32.19
Transient MWEBV	processed	0.04
Host match	processed	4.58
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	1.01
Global aperture photometry	processed	4.94
Validate global photometry	processed	17.14
Global host SED inference	processed	617.09
Local aperture photometry	processed	5.86
Validate local photometry	processed	0.02
Local host SED inference	processed	449.63

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) = 9h53m03.80s, 19d26m26.71s
semi major axis, semi minor axis (arcsec) = 3.91, 3.91
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	69.07	3.11	19.302	0.049	AB
SDSS_g	301.81	4.75	17.701	0.017	AB
PanSTARRS_g	328.27	0.81	17.609	0.003	AB
SDSS_r	615.21	6.72	16.927	0.012	AB
PanSTARRS_r	614.99	1.03	16.928	0.002	AB
DES_r	689.48	1.81	16.804	0.003	AB
SDSS_i	862.51	8.24	16.561	0.010	AB
PanSTARRS_i	840.92	1.54	16.588	0.002	AB
PanSTARRS_z	1059.28	2.71	16.337	0.003	AB
SDSS_z	1137.93	14.41	16.260	0.014	AB
DES_z	1179.59	5.46	16.221	0.005	AB
PanSTARRS_y	1310.84	6.06	16.106	0.005	AB
2MASS_J	1604.49	67.01	14.992	0.045	Vega
2MASS_H	2109.21	110.17	14.222	0.057	Vega
2MASS_K	1784.11	120.3	13.934	0.073	Vega

Aperture details

RA, DEC (J2000) = 9h53m05.09s, 19d25m56.14s
semi major axis, semi minor axis (arcsec) = 31.06, 18.13
angle (degrees, anti-clockwise from east) = -13.24

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	48.33	4.82	19.689	0.108	AB
GALEX_NUV	64.71	5.63	19.373	0.094	AB
PanSTARRS_g	9219.06	4.7	13.988	0.001	AB
PanSTARRS_r	18821.65	6.26	13.213	0.000	AB
DES_r	20433.1	10.16	13.124	0.001	AB
PanSTARRS_i	26617.54	9.25	12.837	0.000	AB
PanSTARRS_z	34378.12	16.96	12.559	0.001	AB
DES_z	37422.4	31.07	12.467	0.001	AB
PanSTARRS_y	43870.71	38.08	12.295	0.001	AB
2MASS_J	54128.13	408.57	11.172	0.008	Vega
2MASS_H	69184.31	671.85	10.432	0.011	Vega
2MASS_K	56277.33	734.03	10.186	0.014	Vega
WISE_W1	26943.96	115.29	10.125	0.005	Vega
WISE_W2	14435.74	114.16	10.162	0.009	Vega
WISE_W3	4756.19	339.38	9.533	0.077	Vega
WISE_W4	2565.72	1341.37	8.757	0.568	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})\,	9.300	9.461	9.632
{\rm log}_{10}({\rm SFR})	-1.021	-0.575	-0.124
{\rm log}_{10}({\rm sSFR})	-10.573	-10.042	-9.542
{\rm stellar\ age}	4.914	7.101	9.000

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.409	-0.682	-0.332
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.726	-0.604	0.123

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.543	0.896	1.198
\delta	-0.723	-0.472	-0.095
\tau_1/\tau_2	0.556	0.936	1.291
Q_{PAH}	0.425	1.840	3.288
U_{min}	2.553	7.716	14.768
{\rm log}_{10}(\gamma_e)\,	-3.565	-2.185	-1.299

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.295	-2.778	-0.847
{\rm log}_{10}(\tau_{AGN})\,	0.832	1.266	1.903

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.832	-0.517	-0.264
0.03-0.10 Gyr	-1.420	-0.626	-0.072
0.10-0.33 Gyr	-1.580	-0.716	-0.159
0.33-1.10 Gyr	-1.417	-0.699	-0.272
1.10-3.64 Gyr	-1.224	-0.581	-0.288
3.64-12.08 Gyr	-1.000	-0.510	-0.259
12.08-13.42 Gyr	-1.054	-0.403	0.252

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.135	11.221	11.252
{\rm log}_{10}({\rm SFR})	-2.239	-1.707	-1.304
{\rm log}_{10}({\rm sSFR})	-13.466	-12.941	-12.522
{\rm stellar\ age}	9.475	12.581	12.741

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.298	-0.182	-0.082
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.450	-0.558	0.189

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.042	0.099	0.174
\delta	-0.592	-0.147	0.186
\tau_1/\tau_2	0.459	0.874	1.321
Q_{PAH}	0.199	0.692	2.027
U_{min}	3.599	9.178	16.680
{\rm log}_{10}(\gamma_e)\,	-2.481	-1.532	-0.973

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.786	-4.279	-3.441
{\rm log}_{10}(\tau_{AGN})\,	1.096	1.650	1.996

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.133	-1.522	-1.142
0.03-0.10 Gyr	-3.961	-2.010	-1.351
0.10-0.33 Gyr	-4.480	-2.077	-1.278
0.33-1.10 Gyr	-4.446	-2.046	-1.031
1.10-3.64 Gyr	-3.348	-1.509	-0.245
3.64-12.08 Gyr	-1.727	-0.115	1.268
12.08-13.42 Gyr	1.771	2.333	2.370