2025spw

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Information

Transient

Name: SN2025spw
Right ascension: 21h32m12.67s
Declination: 21d30m49.02s
Discovery Date: July 30, 2025, 12:29 a.m.
Classification: SN II
Redshift: 0.021000
MW E(B-V): 0.057

Host

Name:
Right ascension: 21h32m12.66s
Declination: 21d30m48.84s
Redshift: None
Photometric Redshift: 0.129

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	10.64
Transient MWEBV	processed	0.11
Host match	processed	7.49
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.72
Global aperture photometry	processed	5.61
Validate global photometry	processed	14.69
Global host SED inference	processed	412.96
Local aperture photometry	processed	6.6
Validate local photometry	processed	0.02
Local host SED inference	processed	439.72

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) = 21h32m12.67s, 21d30m49.02s
semi major axis, semi minor axis (arcsec) = 4.71, 4.71
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	4.52	1.88	22.262	0.452	AB
DES_g	30.8	0.47	20.178	0.017	AB
PanSTARRS_g	26.75	0.95	20.332	0.039	AB
PanSTARRS_r	36.94	1.14	19.981	0.034	AB
DES_r	45.53	1.3	19.754	0.031	AB
PanSTARRS_i	46.86	1.49	19.723	0.034	AB
PanSTARRS_z	51.77	2.9	19.615	0.061	AB
DES_z	59.67	3.14	19.461	0.057	AB
PanSTARRS_y	61.52	6.59	19.427	0.116	AB
2MASS_J	86.53	117.33	18.162	1.472	Vega
2MASS_H	-63.58	186.59			Vega
2MASS_K	-10.53	200.73			Vega

Aperture details

RA, DEC (J2000) = 21h32m12.63s, 21d30m49.07s
semi major axis, semi minor axis (arcsec) = 4.16, 2.77
angle (degrees, anti-clockwise from east) = -102.22

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.2	2.06	22.110	0.429	AB
GALEX_NUV	5.32	0.58	22.085	0.119	AB
DES_g	26.75	0.39	20.332	0.016	AB
PanSTARRS_g	25.0	0.69	20.405	0.030	AB
PanSTARRS_r	36.96	0.82	19.981	0.024	AB
DES_r	37.94	1.08	19.952	0.031	AB
PanSTARRS_i	40.09	1.05	19.893	0.028	AB
PanSTARRS_z	42.01	2.04	19.842	0.053	AB
DES_z	45.97	2.46	19.744	0.058	AB
PanSTARRS_y	53.5	4.61	19.579	0.093	AB
2MASS_J	114.61	107.51	17.857	1.018	Vega
2MASS_H	-72.76	168.19			Vega
2MASS_K	-51.28	183.88			Vega
WISE_W1	38.0	11.07	17.252	0.316	Vega
WISE_W2	16.3	16.11	17.530	1.073	Vega
WISE_W3	18.21	52.05	15.575	3.104	Vega
WISE_W4	-231.15	328.67			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})\,	7.487	7.777	7.967
{\rm log}_{10}({\rm SFR})	-2.172	-1.559	-1.022
{\rm log}_{10}({\rm sSFR})	-9.983	-9.350	-8.572
{\rm stellar\ age}	1.330	5.164	7.243

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.553	-1.007	-0.427
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.309	-0.843	-0.236

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.274	0.680	1.098
\delta	-0.532	-0.091	0.208
\tau_1/\tau_2	0.611	0.956	1.285
Q_{PAH}	0.748	2.366	5.168
U_{min}	3.227	8.241	15.289
{\rm log}_{10}(\gamma_e)\,	-3.148	-2.176	-1.082

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.274	-1.170	-0.189
{\rm log}_{10}(\tau_{AGN})\,	0.997	1.435	1.872

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.258	-1.809	-1.506
0.03-0.10 Gyr	-2.301	-1.505	-0.885
0.10-0.33 Gyr	-2.753	-1.781	-1.294
0.33-1.10 Gyr	-3.210	-2.087	-1.647
1.10-3.65 Gyr	-3.474	-2.256	-1.883
3.65-12.13 Gyr	-3.911	-2.370	-1.974
12.13-13.48 Gyr	-3.965	-2.416	-1.800

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.542	7.737	7.886
{\rm log}_{10}({\rm SFR})	-2.162	-1.793	-1.442
{\rm log}_{10}({\rm sSFR})	-9.924	-9.523	-9.079
{\rm stellar\ age}	3.535	5.954	7.482

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.718	-1.253	-0.643
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.464	-0.019	0.313

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.243	0.544	0.826
\delta	-0.178	0.122	0.301
\tau_1/\tau_2	0.696	1.046	1.389
Q_{PAH}	1.165	2.645	4.643
U_{min}	2.977	8.111	15.261
{\rm log}_{10}(\gamma_e)\,	-2.767	-1.769	-0.795

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.773	-1.492	-0.625
{\rm log}_{10}(\tau_{AGN})\,	1.116	1.505	1.881

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.239	-1.920	-1.662
0.03-0.10 Gyr	-2.200	-1.755	-1.357
0.10-0.33 Gyr	-2.106	-1.720	-1.351
0.33-1.10 Gyr	-2.491	-2.063	-1.728
1.10-3.65 Gyr	-2.672	-2.247	-1.976
3.65-12.13 Gyr	-2.861	-2.302	-2.037
12.13-13.48 Gyr	-3.052	-2.265	-1.785