2025ziy

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Information

Transient

Name: SN2025ziy
Right ascension: 2h59m52.66s
Declination: 23d24m32.72s
Discovery Date: Oct. 1, 2025, 11:39 a.m.
Classification: SN Ia-91bg-like
Redshift: 0.041000
MW E(B-V): 0.236

Host

Name:
Right ascension: 2h59m52.61s
Declination: 23d24m31.01s
Redshift: None
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.95
Cutout download processed 4.28
Global aperture construction processed 0.66
Local aperture photometry processed 4.0
Global aperture photometry processed 4.16
Validate local photometry processed 0.02
Validate global photometry processed 11.37
Host information processed 0.11
Global host SED inference processed 446.92
Local host SED inference processed 483.43
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
Processing status completed N/A N/A
 

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) = 2h59m52.66s, 23d24m32.72s
semi major axis, semi minor axis (arcsec) = 2.47, 2.47
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 166.02 0.79 18.350 0.005 AB
PanSTARRS_r 428.87 0.94 17.319 0.002 AB
PanSTARRS_i 710.22 1.19 16.772 0.002 AB
PanSTARRS_z 928.17 2.18 16.481 0.003 AB
PanSTARRS_y 1240.2 4.67 16.166 0.004 AB

Aperture details

RA, DEC (J2000) = 2h59m52.60s, 23d24m31.37s
semi major axis, semi minor axis (arcsec) = 10.08, 4.88
angle (degrees, anti-clockwise from east) = -161.21

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.14 3.0 21.497 0.357 AB
GALEX_NUV 10.08 3.16 21.391 0.340 AB
PanSTARRS_g 381.79 2.07 17.445 0.006 AB
PanSTARRS_r 913.37 2.36 16.498 0.003 AB
PanSTARRS_i 1481.0 3.04 15.974 0.002 AB
PanSTARRS_z 1935.57 5.75 15.683 0.003 AB
PanSTARRS_y 2569.1 12.95 15.376 0.005 AB
2MASS_J 3450.19 163.05 14.160 0.051 Vega
2MASS_H 4582.63 277.14 13.380 0.066 Vega
2MASS_K 4658.4 229.03 12.892 0.053 Vega
WISE_W1 1930.25 28.21 12.987 0.016 Vega
WISE_W2 1206.69 34.3 12.857 0.031 Vega
WISE_W3 2308.11 112.43 10.318 0.053 Vega
WISE_W4 5177.58 855.19 7.995 0.179 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.794 9.953 10.094
{\rm log}_{10}({\rm SFR}) -1.057 -0.323 0.269
{\rm log}_{10}({\rm sSFR}) -11.084 -10.262 -9.604
{\rm stellar\ age} 4.290 6.776 8.539

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.310 -0.758 -0.419
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.732 0.020 0.305

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.641 0.953 1.212
\delta -0.798 -0.554 -0.309
\tau_1/\tau_2 0.665 1.001 1.358
Q_{PAH} 0.858 2.072 4.043
U_{min} 2.789 7.677 14.560
{\rm log}_{10}(\gamma_e)\, -3.339 -1.743 -1.015

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.273 -2.887 -0.742
{\rm log}_{10}(\tau_{AGN})\, 0.875 1.427 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.872 -0.301 0.083
0.03-0.10 Gyr -1.553 -0.378 0.345
0.10-0.33 Gyr -1.532 -0.272 0.310
0.33-1.09 Gyr -1.195 -0.122 0.329
1.09-3.60 Gyr -0.766 -0.018 0.270
3.60-11.89 Gyr -0.645 -0.024 0.222
11.89-13.21 Gyr -0.685 0.051 0.665

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.385 10.466 10.522
{\rm log}_{10}({\rm SFR}) -0.761 -0.298 0.084
{\rm log}_{10}({\rm sSFR}) -11.233 -10.753 -10.399
{\rm stellar\ age} 8.468 11.627 12.483

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.639 -0.423 -0.252
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.298 0.158 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.304 0.477
\delta -0.504 -0.157 0.072
\tau_1/\tau_2 0.617 1.052 1.513
Q_{PAH} 0.259 0.818 2.007
U_{min} 2.714 7.644 14.694
{\rm log}_{10}(\gamma_e)\, -3.278 -2.325 -1.412

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.451 -3.607 -2.666
{\rm log}_{10}(\tau_{AGN})\, 1.010 1.512 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.513 -0.201 0.064
0.03-0.10 Gyr -1.686 -0.416 0.118
0.10-0.33 Gyr -3.075 -1.037 -0.399
0.33-1.09 Gyr -4.258 -1.436 -0.671
1.09-3.60 Gyr -3.517 -1.355 -0.533
3.60-11.89 Gyr -1.538 0.016 0.604
11.89-13.21 Gyr 0.749 1.521 1.647