2025znd

Download data

Information

Transient

Name: SN2025znd
Right ascension: 4h44m25.36s
Declination: 0d25m53.60s
Discovery Date: Sept. 30, 2025, 11:02 a.m.
Classification: SN Ia
Redshift: 0.071000
MW E(B-V): 0.059

Host

Name:
Right ascension: 4h44m25.58s
Declination: 0d25m51.23s
Redshift: None
Photometric Redshift: 0.059
 

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 8.5
Cutout download processed 15.82
Global aperture construction processed 0.66
Local aperture photometry processed 5.88
Global aperture photometry processed 6.11
Validate local photometry processed 0.03
Validate global photometry processed 17.09
Host information processed 0.12
Global host SED inference processed 464.22
Local host SED inference processed 521.72
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 4h44m25.36s, 0d25m53.60s
semi major axis, semi minor axis (arcsec) = 1.48, 1.48
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 9.57 0.9 21.447 0.102 AB
PanSTARRS_g 16.7 0.33 20.843 0.022 AB
SDSS_r 16.0 1.24 20.890 0.084 AB
PanSTARRS_r 24.15 0.36 20.443 0.016 AB
DES_r 18.91 0.3 20.709 0.017 AB
SDSS_i 20.58 1.62 20.616 0.086 AB
PanSTARRS_i 25.69 0.49 20.376 0.021 AB
PanSTARRS_z 31.79 1.03 20.144 0.035 AB
SDSS_z 19.49 5.86 20.675 0.327 AB
DES_z 25.79 0.75 20.371 0.031 AB
PanSTARRS_y 31.04 2.26 20.170 0.079 AB

Aperture details

RA, DEC (J2000) = 4h44m25.57s, 0d25m51.40s
semi major axis, semi minor axis (arcsec) = 6.99, 5.48
angle (degrees, anti-clockwise from east) = -89.41

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 148.66 5.41 18.470 0.040 AB
SDSS_g 350.38 5.16 17.539 0.016 AB
PanSTARRS_g 366.13 1.4 17.491 0.004 AB
SDSS_r 504.78 6.52 17.142 0.014 AB
PanSTARRS_r 515.64 1.52 17.119 0.003 AB
DES_r 551.5 1.54 17.046 0.003 AB
SDSS_i 651.49 8.13 16.865 0.014 AB
PanSTARRS_i 657.63 2.05 16.855 0.003 AB
PanSTARRS_z 707.93 4.27 16.775 0.007 AB
SDSS_z 727.59 25.06 16.745 0.037 AB
DES_z 732.58 3.8 16.738 0.006 AB
PanSTARRS_y 773.59 9.4 16.679 0.013 AB
2MASS_J 814.02 204.11 15.729 0.272 Vega
2MASS_H 572.51 286.76 15.638 0.544 Vega
2MASS_K 727.68 342.08 14.907 0.510 Vega
WISE_W1 422.16 14.11 14.637 0.036 Vega
WISE_W2 290.26 17.11 14.404 0.064 Vega
WISE_W3 1174.77 137.54 11.051 0.127 Vega
WISE_W4 1439.63 712.71 9.384 0.537 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})\, 8.289 8.511 8.625
{\rm log}_{10}({\rm SFR}) -1.580 -1.033 -0.403
{\rm log}_{10}({\rm sSFR}) -10.145 -9.588 -8.823
{\rm stellar\ age} 1.966 5.364 6.971

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.124 -0.500 -0.045
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.097 -0.761 -0.389

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.053 0.213 0.523
\delta -0.730 -0.303 0.150
\tau_1/\tau_2 0.729 1.097 1.472
Q_{PAH} 1.239 3.398 5.541
U_{min} 2.947 8.434 16.078
{\rm log}_{10}(\gamma_e)\, -2.803 -1.699 -0.632

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.007 -0.298 0.083
{\rm log}_{10}(\tau_{AGN})\, 1.217 1.551 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.887 -1.422 -1.024
0.03-0.10 Gyr -1.608 -0.946 -0.275
0.10-0.33 Gyr -1.734 -1.049 -0.628
0.33-1.07 Gyr -2.158 -1.262 -0.924
1.07-3.52 Gyr -2.628 -1.451 -1.156
3.52-11.53 Gyr -2.918 -1.568 -1.278
11.53-12.82 Gyr -2.998 -1.596 -1.002

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.895 10.006 10.118
{\rm log}_{10}({\rm SFR}) -0.287 0.265 0.714
{\rm log}_{10}({\rm sSFR}) -10.322 -9.739 -9.283
{\rm stellar\ age} 5.214 6.528 7.697

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.458 -1.069 -0.758
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.509 -0.024 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.074 0.153 0.276
\delta -0.846 -0.461 0.049
\tau_1/\tau_2 0.686 1.068 1.484
Q_{PAH} 0.927 2.273 4.566
U_{min} 2.354 6.959 14.134
{\rm log}_{10}(\gamma_e)\, -3.366 -2.166 -0.898

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.776 -1.852 -1.412
{\rm log}_{10}(\tau_{AGN})\, 0.998 1.406 1.836

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.743 -0.460 -0.239
0.03-0.10 Gyr -0.216 0.403 0.867
0.10-0.33 Gyr -0.213 0.274 0.579
0.33-1.07 Gyr -0.498 -0.006 0.253
1.07-3.52 Gyr -0.368 0.023 0.272
3.52-11.53 Gyr -0.250 0.073 0.255
11.53-12.82 Gyr -0.437 0.125 0.593