2025tzu results

Information

Transient
Name:SN2025tzu
Right ascension: 20h47m42.01s
Declination:20d15m24.12s
Discovery Date:Aug. 14, 2025, 4:51 a.m.
Classification:SN Ia
Redshift:0.042000
MW E(B-V):0.108
Host
Name:
Right ascension: 20h47m41.94s
Declination:20d15m22.70s
Redshift:0.071448
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 13.76
Transient MWEBV processed 0.09
Host match processed 6.71
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 3.74
Validate global photometry processed 11.32
Global host SED inference processed 549.04
Local aperture photometry processed 4.2
Validate local photometry processed 0.02
Local host SED inference processed 472.27
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):20h47m42.01s, 20d15m24.12s
semi major axis, semi minor axis (arcsec):2.41, 2.41
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 156.73 0.7 18.412 0.005 AB
PanSTARRS_r 320.05 0.76 17.637 0.003 AB
PanSTARRS_i 431.67 1.37 17.312 0.003 AB
PanSTARRS_z 588.38 2.22 16.976 0.004 AB
PanSTARRS_y 696.03 4.79 16.793 0.007 AB

Aperture details

RA, DEC (J2000):20h47m41.93s, 20d15m22.82s
semi major axis, semi minor axis (arcsec):10.86, 6.61
angle (degrees, anti-clockwise from east):-139.91
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 485.17 2.32 17.185 0.005 AB
2MASS_J 2787.08 203.07 14.392 0.079 Vega
2MASS_H 3308.68 262.72 13.733 0.086 Vega
2MASS_K 2605.08 403.49 13.523 0.168 Vega
WISE_W2 911.63 54.56 13.161 0.065 Vega
WISE_W4 613.56 543.3 10.310 0.961 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.614 9.723 9.821
{\rm log}_{10}({\rm SFR}) -1.376 -0.723 -0.192
{\rm log}_{10}({\rm sSFR}) -11.163 -10.435 -9.842
{\rm stellar\ age} 5.616 7.210 8.822

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.787 -0.380 -0.153
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.906 -1.682 -0.365

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.289 0.614 0.982
\delta -0.627 -0.233 0.182
\tau_1/\tau_2 0.605 0.950 1.317
Q_{PAH} 0.704 2.520 5.099
U_{min} 2.437 7.503 14.365
{\rm log}_{10}(\gamma_e)\, -3.457 -2.170 -1.114

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.095 -2.223 -0.946
{\rm log}_{10}(\tau_{AGN})\, 0.912 1.420 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.226 -0.636 -0.240
0.03-0.10 Gyr -1.676 -0.783 -0.165
0.10-0.33 Gyr -1.531 -0.708 -0.196
0.33-1.09 Gyr -1.140 -0.484 -0.063
1.09-3.60 Gyr -0.920 -0.299 -0.037
3.60-11.87 Gyr -0.554 -0.207 -0.030
11.87-13.19 Gyr -0.713 -0.137 0.459

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.095 10.233 10.377
{\rm log}_{10}({\rm SFR}) -1.447 -0.420 0.325
{\rm log}_{10}({\rm sSFR}) -11.807 -10.650 -9.869
{\rm stellar\ age} 6.266 7.837 11.368

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.949 -0.468 -0.181
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.754 -0.690 0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.291 0.458 0.724
\delta -0.808 -0.429 0.095
\tau_1/\tau_2 0.411 0.839 1.281
Q_{PAH} 0.457 1.434 3.659
U_{min} 2.443 7.383 14.630
{\rm log}_{10}(\gamma_e)\, -3.406 -2.448 -1.175

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.409 -3.471 -2.169
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.486 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.033 -0.444 0.088
0.03-0.10 Gyr -2.272 -0.573 0.419
0.10-0.33 Gyr -2.643 -0.728 0.036
0.33-1.09 Gyr -2.713 -0.713 -0.032
1.09-3.60 Gyr -1.658 -0.138 0.402
3.60-11.87 Gyr -0.619 0.281 0.500
11.87-13.19 Gyr -0.412 0.475 1.371