2025zwn

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Information

Transient

Name: SN2025zwn
Right ascension: 4h21m01.66s
Declination: -9d17m22.36s
Discovery Date: Oct. 11, 2025, 8:32 a.m.
Classification: SN II
Redshift: 0.040000
MW E(B-V): 0.069

Host

Name:
Right ascension: 4h21m01.00s
Declination: -9d17m21.29s
Redshift: None
Photometric Redshift: 0.036
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.25
Transient MWEBV processed 0.14
Host match processed 6.35
Host information processed 0.13
Host MWEBV processed 0.06
Global aperture construction processed 2.73
Global aperture photometry processed 5.87
Validate global photometry processed 14.31
Global host SED inference processed 877.21
Local aperture photometry processed 5.7
Validate local photometry processed 0.02
Local host SED inference processed 509.59
 

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) = 4h21m01.66s, -9d17m22.36s
semi major axis, semi minor axis (arcsec) = 2.53, 2.53
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 2.37 0.17 22.962 0.077 AB
PanSTARRS_g 3.21 0.52 22.632 0.175 AB
PanSTARRS_r 1.75 0.76 23.293 0.472 AB
DES_r 3.72 0.35 22.474 0.101 AB
PanSTARRS_i 2.91 0.73 22.740 0.274 AB
PanSTARRS_z -0.05 1.81 AB
DES_z 4.59 1.08 22.245 0.254 AB
PanSTARRS_y -0.97 4.42 AB

Aperture details

RA, DEC (J2000) = 4h21m01.00s, -9d17m21.29s
semi major axis, semi minor axis (arcsec) = 15.63, 9.26
angle (degrees, anti-clockwise from east) = -90.02

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 38.34 5.14 19.941 0.146 AB
GALEX_NUV 33.24 3.7 20.096 0.121 AB
PanSTARRS_g 111.58 2.45 18.781 0.024 AB
PanSTARRS_r 135.6 3.63 18.569 0.029 AB
DES_r 170.03 1.83 18.324 0.012 AB
PanSTARRS_i 171.57 3.49 18.314 0.022 AB
PanSTARRS_z 188.33 8.62 18.213 0.050 AB
DES_z 211.56 5.53 18.086 0.028 AB
PanSTARRS_y 155.04 21.11 18.424 0.148 AB
2MASS_J 686.37 258.6 15.914 0.409 Vega
2MASS_H 50.48 408.54 18.275 8.787 Vega
2MASS_K -282.39 516.42 Vega
WISE_W1 180.02 18.94 15.563 0.114 Vega
WISE_W2 69.79 24.2 15.951 0.376 Vega
WISE_W3 -142.86 125.91 Vega
WISE_W4 1028.33 684.79 9.750 0.723 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})\, 6.480 7.164 7.509
{\rm log}_{10}({\rm SFR}) -2.177 -1.815 -1.487
{\rm log}_{10}({\rm sSFR}) -9.620 -8.959 -7.982
{\rm stellar\ age} 0.215 4.961 7.441

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.945 -0.200 0.090
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.352 -1.019 -0.463

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.607 0.986 1.439
\delta -0.204 0.109 0.310
\tau_1/\tau_2 0.589 0.988 1.456
Q_{PAH} 0.728 2.379 5.258
U_{min} 3.049 8.396 15.989
{\rm log}_{10}(\gamma_e)\, -2.990 -1.985 -0.732

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.232 -0.280 0.173
{\rm log}_{10}(\tau_{AGN})\, 1.131 1.490 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.966 -1.518 -1.116
0.03-0.10 Gyr -4.039 -2.409 -1.739
0.10-0.33 Gyr -5.253 -2.841 -2.109
0.33-1.09 Gyr -6.008 -2.970 -2.321
1.09-3.60 Gyr -6.288 -3.077 -2.456
3.60-11.90 Gyr -6.383 -3.101 -2.434
11.90-13.22 Gyr -6.304 -3.117 -2.247

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.720 9.003 9.167
{\rm log}_{10}({\rm SFR}) -0.322 -0.043 0.221
{\rm log}_{10}({\rm sSFR}) -9.352 -9.035 -8.629
{\rm stellar\ age} 4.484 7.170 10.811

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.543 -1.134 -0.633
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.908 -1.682 -0.832

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.128 0.399 0.623
\delta 0.091 0.274 0.366
\tau_1/\tau_2 0.425 0.896 1.364
Q_{PAH} 2.168 3.868 5.613
U_{min} 2.880 8.991 16.714
{\rm log}_{10}(\gamma_e)\, -3.286 -2.251 -1.034

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.533 -1.871 -0.938
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.412 1.881

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.763 -1.433 -0.852
0.03-0.10 Gyr -0.176 0.109 0.378
0.10-0.33 Gyr -3.088 -1.422 -0.635
0.33-1.09 Gyr -3.542 -1.596 -0.985
1.09-3.60 Gyr -3.472 -1.489 -0.937
3.60-11.90 Gyr -2.550 -1.147 -0.782
11.90-13.22 Gyr -2.286 -0.845 0.132