2025nnd

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Information

Transient

Name: SN2025nnd
Right ascension: 9h55m51.37s
Declination: 33d59m38.28s
Discovery Date: June 14, 2025, 6:42 a.m.
Classification: SLSN-II
Redshift: 0.097000
MW E(B-V): 0.011

Host

Name:
Right ascension: 9h55m51.33s
Declination: 33d59m40.07s
Redshift: 0.096710
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.06
Transient MWEBV	processed	0.09
Host match	processed	5.58
Host information	processed	0.05
Host MWEBV	processed	0.06
Global aperture construction	processed	0.63
Global aperture photometry	failed	0.05
Validate global photometry	not processed	15.89
Global host SED inference	not processed	445.34
Local aperture photometry	failed	0.01
Validate local photometry	not processed	0.03
Local host SED inference	not processed	505.41

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) = 9h55m51.33s, 33d59m38.20s
semi major axis, semi minor axis (arcsec) = 1.12, 1.12
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	38.58	0.3	19.934	0.008	AB
PanSTARRS_z	42.13	0.74	19.839	0.019	AB
DES_z	51.95	1.46	19.611	0.031	AB
PanSTARRS_y	42.85	1.66	19.820	0.042	AB

Aperture details

RA, DEC (J2000) = 9h55m51.33s, 33d59m40.11s
semi major axis, semi minor axis (arcsec) = 8.5, 7.25
angle (degrees, anti-clockwise from east) = -24.38

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	59.97	5.8	19.455	0.105	AB
SDSS_g	239.25	4.47	17.953	0.020	AB
DES_g	227.52	1.45	18.007	0.007	AB
SDSS_r	352.81	5.83	17.531	0.018	AB
PanSTARRS_r	369.62	2.71	17.481	0.008	AB
SDSS_i	466.52	8.06	17.228	0.019	AB
PanSTARRS_i	479.96	2.05	17.197	0.005	AB
PanSTARRS_z	533.71	5.13	17.082	0.010	AB
SDSS_z	667.64	22.12	16.839	0.036	AB
DES_z	556.18	5.12	17.037	0.010	AB
PanSTARRS_y	531.93	11.56	17.085	0.024	AB
2MASS_J	840.86	151.82	15.693	0.196	Vega
2MASS_H	639.19	260.73	15.518	0.443	Vega
2MASS_K	664.99	243.64	15.005	0.398	Vega
WISE_W1	395.86	15.72	14.707	0.043	Vega
WISE_W2	253.12	19.56	14.553	0.084	Vega
WISE_W3	737.82	91.25	11.556	0.134	Vega
WISE_W4	-123.21	444.65			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.884	9.177	9.333
{\rm log}_{10}({\rm SFR})	-1.396	-0.786	-0.029
{\rm log}_{10}({\rm sSFR})	-10.650	-9.978	-9.076
{\rm stellar\ age}	2.061	6.188	8.261

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.430	-0.605	0.009
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.390	-0.686	0.004

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.199	0.566	1.038
\delta	-0.657	-0.225	0.149
\tau_1/\tau_2	0.539	0.946	1.347
Q_{PAH}	0.812	2.785	5.527
U_{min}	3.088	8.452	15.712
{\rm log}_{10}(\gamma_e)\,	-2.913	-1.786	-0.734

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.955	-0.729	0.025
{\rm log}_{10}(\tau_{AGN})\,	1.075	1.454	1.938

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.341	-0.778	-0.320
0.03-0.10 Gyr	-1.836	-0.854	0.041
0.10-0.33 Gyr	-1.995	-0.969	-0.183
0.33-1.06 Gyr	-2.233	-1.049	-0.397
1.06-3.45 Gyr	-2.610	-0.979	-0.591
3.45-11.24 Gyr	-2.307	-0.830	-0.526
11.24-12.49 Gyr	-2.209	-0.801	-0.057

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.994	10.118	10.244
{\rm log}_{10}({\rm SFR})	-1.161	-0.437	0.003
{\rm log}_{10}({\rm sSFR})	-11.333	-10.569	-10.072
{\rm stellar\ age}	2.204	4.379	6.341

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.320	-0.890	-0.589
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.729	-1.086	-0.006

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.195	0.351	0.537
\delta	-0.495	-0.050	0.284
\tau_1/\tau_2	0.583	0.933	1.288
Q_{PAH}	1.117	2.798	4.822
U_{min}	2.595	7.651	15.185
{\rm log}_{10}(\gamma_e)\,	-2.935	-1.884	-1.118

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.780	-2.347	-1.578
{\rm log}_{10}(\tau_{AGN})\,	0.959	1.381	1.841

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.080	-0.411	-0.102
0.03-0.10 Gyr	-2.050	-0.527	0.072
0.10-0.33 Gyr	-1.464	-0.036	0.602
0.33-1.06 Gyr	0.076	0.546	0.854
1.06-3.45 Gyr	0.087	0.479	0.747
3.45-11.24 Gyr	-1.539	-0.079	0.343
11.24-12.49 Gyr	-2.057	-0.232	0.499