2025zgu

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Information

Transient

Name: SN2025zgu
Right ascension: 3h46m34.77s
Declination: -4d27m47.36s
Discovery Date: Sept. 30, 2025, 3:09 a.m.
Classification: SN Ia
Redshift: 0.012669
MW E(B-V): 0.059

Host

Name:
Right ascension: 3h46m35.96s
Declination: -4d27m11.64s
Redshift: None
Photometric Redshift: 0.013
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.59
Transient MWEBV processed 0.09
Host match processed 7.01
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 1.41
Global aperture photometry processed 6.26
Validate global photometry processed 42.82
Global host SED inference processed 569.35
Local aperture photometry processed 5.18
Validate local photometry processed 0.02
Local host SED inference processed 385.14
 

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) = 3h46m34.77s, -4d27m47.36s
semi major axis, semi minor axis (arcsec) = 7.72, 7.72
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 14.42 0.9 21.003 0.068 AB
GALEX_NUV 25.08 0.57 20.402 0.024 AB
DES_g 575.07 1.61 17.001 0.003 AB
PanSTARRS_g 595.7 2.32 16.962 0.004 AB
PanSTARRS_r 1100.57 2.24 16.296 0.002 AB
DES_r 1231.64 2.59 16.174 0.002 AB
PanSTARRS_i 1577.73 3.03 15.905 0.002 AB
PanSTARRS_z 2082.31 5.51 15.604 0.003 AB
DES_z 2356.67 6.79 15.469 0.003 AB
PanSTARRS_y 2622.97 13.93 15.353 0.006 AB
2MASS_J 3411.7 160.46 14.173 0.051 Vega
2MASS_H 4574.82 254.74 13.381 0.060 Vega
2MASS_K 3749.31 317.55 13.127 0.092 Vega
WISE_W1 1586.4 24.64 13.200 0.017 Vega
WISE_W2 964.63 26.1 13.100 0.029 Vega
WISE_W3 2830.92 463.23 10.096 0.178 Vega

Aperture details

RA, DEC (J2000) = 3h46m35.96s, -4d27m10.80s
semi major axis, semi minor axis (arcsec) = 103.71, 14.18
angle (degrees, anti-clockwise from east) = -153.66

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 264.28 4.23 17.845 0.017 AB
GALEX_NUV 436.33 2.63 17.300 0.007 AB
DES_g 6554.9 6.95 14.359 0.001 AB
PanSTARRS_g 10592.13 11.23 13.838 0.001 AB
PanSTARRS_r 20734.35 11.42 13.108 0.001 AB
DES_r 15356.25 9.79 13.434 0.001 AB
PanSTARRS_i 30912.15 14.46 12.675 0.001 AB
PanSTARRS_z 41548.34 26.72 12.354 0.001 AB
DES_z 29842.7 25.48 12.713 0.001 AB
PanSTARRS_y 54367.39 68.19 12.062 0.001 AB
2MASS_J 74641.21 802.61 10.823 0.012 Vega
2MASS_H 108706.16 1274.3 9.942 0.013 Vega
2MASS_K 95046.3 1589.96 9.617 0.018 Vega
WISE_W1 54881.7 173.15 9.352 0.003 Vega
WISE_W3 99356.04 3827.79 6.233 0.042 Vega
WISE_W4 107653.34 6888.84 4.700 0.069 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})\, 9.184 9.238 9.320
{\rm log}_{10}({\rm SFR}) -1.457 -1.182 -0.894
{\rm log}_{10}({\rm sSFR}) -10.741 -10.440 -10.137
{\rm stellar\ age} 7.394 8.245 10.723

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.430 -0.234 -0.095
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.237 0.021 0.251

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.381 0.564
\delta -0.754 -0.502 -0.275
\tau_1/\tau_2 0.706 1.008 1.321
Q_{PAH} 0.372 1.399 3.604
U_{min} 2.589 7.925 14.647
{\rm log}_{10}(\gamma_e)\, -2.980 -2.175 -1.351

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.091 -2.992 -1.973
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.516 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.471 -1.279 -1.073
0.03-0.10 Gyr -1.530 -1.154 -0.813
0.10-0.33 Gyr -1.857 -1.415 -1.065
0.33-1.10 Gyr -2.023 -1.487 -1.162
1.10-3.64 Gyr -1.920 -1.206 -0.821
3.64-12.05 Gyr -0.967 -0.635 -0.520
12.05-13.39 Gyr -0.957 -0.398 0.243

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.734 10.802 10.899
{\rm log}_{10}({\rm SFR}) -0.178 0.172 0.423
{\rm log}_{10}({\rm sSFR}) -11.001 -10.647 -10.380
{\rm stellar\ age} 8.022 9.827 12.549

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.821 -0.558 -0.341
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.193 -0.720 -0.240

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.995 1.205 1.432
\delta 0.189 0.279 0.350
\tau_1/\tau_2 0.120 0.343 0.628
Q_{PAH} 0.228 0.609 1.153
U_{min} 1.925 4.808 10.519
{\rm log}_{10}(\gamma_e)\, -3.835 -3.453 -2.510

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.582 -1.759 -1.395
{\rm log}_{10}(\tau_{AGN})\, 1.050 1.289 1.679

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.036 0.312 0.574
0.03-0.10 Gyr -1.243 0.007 0.408
0.10-0.33 Gyr -3.114 -0.561 0.110
0.33-1.10 Gyr -4.423 -1.046 -0.227
1.10-3.64 Gyr -2.799 -0.703 0.140
3.64-12.05 Gyr -0.524 0.823 1.024
12.05-13.39 Gyr 0.761 1.553 1.992