2025zsz

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Information

Transient

Name: SN2025zsz
Right ascension: 21h51m06.44s
Declination: 3d35m08.49s
Discovery Date: Oct. 10, 2025, 10:44 a.m.
Classification: SLSN-I
Redshift: 0.174500
MW E(B-V): 0.070

Host

Name:
Right ascension: 21h51m06.49s
Declination: 3d35m07.98s
Redshift: None
Photometric Redshift: 0.172
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.23
Transient MWEBV processed 0.09
Host match processed 5.92
Host information processed 0.12
Host MWEBV processed 0.11
Global aperture construction failed 7.62
Global aperture photometry not processed 5.31
Validate global photometry not processed 14.29
Global host SED inference not processed 499.8
Local aperture photometry processed 5.0
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 21h51m06.44s, 3d35m08.49s
semi major axis, semi minor axis (arcsec) = 0.68, 0.68
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 21h51m06.48s, 3d35m08.13s
semi major axis, semi minor axis (arcsec) = 7.68, 3.25
angle (degrees, anti-clockwise from east) = -47.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.41 0.29 23.523 0.226 AB
GALEX_NUV 1.66 0.25 23.349 0.162 AB
SDSS_u -19.53 4.61 AB
SDSS_g 13.77 1.79 21.053 0.141 AB
PanSTARRS_g 9.0 0.92 21.514 0.110 AB
SDSS_r 24.38 3.03 20.432 0.135 AB
PanSTARRS_r 13.74 1.27 21.055 0.100 AB
SDSS_i 13.09 4.59 21.108 0.381 AB
PanSTARRS_i 20.15 1.18 20.639 0.063 AB
PanSTARRS_z 12.44 3.45 21.163 0.301 AB
SDSS_z 73.9 16.42 19.228 0.241 AB
PanSTARRS_y 6.09 10.1 21.939 1.801 AB
2MASS_J 79.26 138.93 18.257 1.903 Vega
2MASS_H -131.75 235.13 Vega
2MASS_K -415.44 231.94 Vega
WISE_W1 7.23 9.7 19.054 1.457 Vega
WISE_W2 -11.47 14.99 Vega
WISE_W3 -150.46 81.42 Vega
WISE_W4 -601.88 485.88 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.528 8.948 9.297
{\rm log}_{10}({\rm SFR}) -0.248 0.181 0.513
{\rm log}_{10}({\rm sSFR}) -9.471 -8.714 -8.104
{\rm stellar\ age} 0.169 1.411 4.887

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.365 -0.418 0.099
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.198 -0.438 -0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.367 0.674 1.117
\delta -0.314 -0.005 0.212
\tau_1/\tau_2 0.847 1.238 1.650
Q_{PAH} 1.263 3.253 5.373
U_{min} 3.168 8.819 16.242
{\rm log}_{10}(\gamma_e)\, -3.117 -2.000 -0.705

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.538 -1.278 -0.269
{\rm log}_{10}(\tau_{AGN})\, 0.971 1.375 1.792

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.319 0.179 0.552
0.03-0.10 Gyr -0.600 0.085 0.551
0.10-0.32 Gyr -0.836 -0.056 0.420
0.32-1.02 Gyr -3.051 -1.088 -0.215
1.02-3.27 Gyr -4.888 -1.728 -0.622
3.27-10.45 Gyr -5.466 -2.007 -0.805
10.45-11.61 Gyr -5.637 -2.006 -0.713