2025siu

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Information

Transient

Name: SN2025siu
Right ascension: 0h45m21.74s
Declination: 29d49m40.78s
Discovery Date: July 26, 2025, 9:18 a.m.
Classification: SN Ia
Redshift: 0.030000
MW E(B-V): 0.047

Host

Name: 1879657
Right ascension: 0h45m21.87s
Declination: 29d49m40.57s
Redshift: 0.034571
Photometric Redshift: 0.035
 

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 5.01
Cutout download processed 40.31
Global aperture construction processed 0.68
Local aperture photometry processed 6.78
Global aperture photometry processed 6.17
Validate local photometry processed 0.02
Validate global photometry processed 17.03
Host information processed 0.15
Global host SED inference processed 559.18
Local host SED inference processed 489.35
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.04
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) = 0h45m21.74s, 29d49m40.78s
semi major axis, semi minor axis (arcsec) = 2.91, 2.91
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 90.28 3.29 19.011 0.040 AB
SDSS_g 525.81 6.0 17.098 0.012 AB
DES_g 642.27 1.75 16.881 0.003 AB
PanSTARRS_g 735.7 1.03 16.733 0.002 AB
SDSS_r 1358.58 9.68 16.067 0.008 AB
PanSTARRS_r 1613.15 1.17 15.881 0.001 AB
DES_r 1660.12 4.35 15.850 0.003 AB
SDSS_i 2092.44 12.12 15.598 0.006 AB
PanSTARRS_i 2416.75 1.57 15.442 0.001 AB
PanSTARRS_z 3183.48 3.08 15.143 0.001 AB
SDSS_z 2678.65 16.47 15.330 0.007 AB
DES_z 2990.16 14.37 15.211 0.005 AB
PanSTARRS_y 3710.31 5.7 14.976 0.002 AB
2MASS_J 3345.25 60.56 14.194 0.020 Vega
2MASS_H 4406.82 98.78 13.422 0.024 Vega
2MASS_K 3836.82 108.65 13.102 0.031 Vega

Aperture details

RA, DEC (J2000) = 0h45m21.89s, 29d49m40.27s
semi major axis, semi minor axis (arcsec) = 14.23, 8.19
angle (degrees, anti-clockwise from east) = -96.83

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 247.01 9.42 17.918 0.041 AB
SDSS_g 1662.41 10.95 15.848 0.007 AB
DES_g 1808.22 3.01 15.757 0.002 AB
PanSTARRS_g 1857.16 3.14 15.728 0.002 AB
SDSS_r 3788.06 16.92 14.954 0.005 AB
PanSTARRS_r 3945.69 3.51 14.910 0.001 AB
DES_r 4221.88 7.09 14.836 0.002 AB
SDSS_i 5667.94 21.48 14.516 0.004 AB
PanSTARRS_i 5790.65 4.65 14.493 0.001 AB
PanSTARRS_z 7498.2 10.45 14.213 0.002 AB
SDSS_z 7636.48 42.0 14.193 0.006 AB
DES_z 7783.32 23.34 14.172 0.003 AB
PanSTARRS_y 9329.86 20.68 13.975 0.002 AB
2MASS_J 11167.22 223.83 12.885 0.022 Vega
2MASS_H 13939.59 371.62 12.172 0.029 Vega
2MASS_K 11827.59 410.93 11.880 0.038 Vega
WISE_W1 5357.87 44.25 11.879 0.009 Vega
WISE_W2 2805.39 150.95 11.941 0.058 Vega
WISE_W3 1074.37 108.97 11.148 0.110 Vega
WISE_W4 1011.58 515.84 9.767 0.554 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})\, 10.170 10.285 10.408
{\rm log}_{10}({\rm SFR}) -1.969 -0.389 0.170
{\rm log}_{10}({\rm sSFR}) -12.353 -10.699 -10.062
{\rm stellar\ age} 6.298 7.797 10.946

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.780 -1.284 -0.845
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.857 -1.363 0.085

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.681 0.929 1.174
\delta -0.884 -0.774 -0.575
\tau_1/\tau_2 0.674 1.058 1.394
Q_{PAH} 1.467 2.788 4.328
U_{min} 3.204 8.676 15.993
{\rm log}_{10}(\gamma_e)\, -2.872 -1.686 -0.983

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.405 -3.158 -1.035
{\rm log}_{10}(\tau_{AGN})\, 0.966 1.410 1.964

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.920 -0.435 0.043
0.03-0.10 Gyr -2.587 -0.426 0.233
0.10-0.33 Gyr -2.623 -0.312 0.352
0.33-1.09 Gyr -2.559 -0.278 0.261
1.09-3.62 Gyr -1.861 0.046 0.430
3.62-11.96 Gyr -0.289 0.334 0.547
11.96-13.29 Gyr -0.136 0.537 1.380

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.591 10.656 10.783
{\rm log}_{10}({\rm SFR}) -1.798 -1.026 -0.511
{\rm log}_{10}({\rm sSFR}) -12.484 -11.646 -11.130
{\rm stellar\ age} 7.224 8.138 12.090

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.613 -0.520 -0.439
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.472 -0.761 -0.073

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.279 0.409 0.499
\delta -0.971 -0.891 -0.743
\tau_1/\tau_2 0.434 0.790 1.153
Q_{PAH} 0.258 0.721 1.382
U_{min} 2.219 6.686 13.449
{\rm log}_{10}(\gamma_e)\, -3.618 -3.098 -2.217

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.613 -4.054 -3.269
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.541 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.902 -1.038 -0.492
0.03-0.10 Gyr -2.133 -1.104 -0.494
0.10-0.33 Gyr -2.170 -0.916 -0.229
0.33-1.09 Gyr -1.922 -0.559 0.086
1.09-3.62 Gyr -1.487 0.208 0.660
3.62-11.96 Gyr -0.164 0.788 0.907
11.96-13.29 Gyr 0.372 0.967 1.863