2025shh

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Information

Transient

Name: SN2025shh
Right ascension: 21h36m39.61s
Declination: 46d32m38.39s
Discovery Date: July 26, 2025, 8:45 a.m.
Classification: SN Ia
Redshift: 0.017000
MW E(B-V): 0.418

Host

Name:
Right ascension: 21h36m39.40s
Declination: 46d32m37.69s
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 9.41
Cutout download processed 36.81
Global aperture construction processed 0.8
Local aperture photometry processed 4.54
Global aperture photometry processed 4.11
Validate local photometry processed 0.02
Validate global photometry processed 11.95
Host information processed 0.15
Global host SED inference processed 538.7
Local host SED inference processed 649.68
Transient information processed 0.0
Transient MWEBV processed 0.13
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) = 21h36m39.61s, 46d32m38.39s
semi major axis, semi minor axis (arcsec) = 5.79, 5.79
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 1.39 2.17 23.539 1.689 AB
PanSTARRS_g 216.55 1.76 18.061 0.009 AB
PanSTARRS_r 475.67 2.54 17.207 0.006 AB
PanSTARRS_i 785.09 2.66 16.663 0.004 AB
PanSTARRS_z 964.71 5.59 16.439 0.006 AB
PanSTARRS_y 1116.94 14.48 16.280 0.014 AB
2MASS_J 1232.95 172.06 15.278 0.152 Vega
2MASS_H 1433.27 276.6 14.642 0.210 Vega
2MASS_K 1097.88 268.84 14.461 0.266 Vega

Aperture details

RA, DEC (J2000) = 21h36m39.40s, 46d32m37.98s
semi major axis, semi minor axis (arcsec) = 4.02, 3.61
angle (degrees, anti-clockwise from east) = -124.75

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 0.12 2.38 26.200 21.456 AB
PanSTARRS_g 82.42 1.15 19.110 0.015 AB
PanSTARRS_y 449.51 9.32 17.268 0.023 AB
2MASS_H 957.25 217.23 15.080 0.246 Vega
WISE_W2 513.56 68.21 13.785 0.144 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})\, 9.167 9.270 9.361
{\rm log}_{10}({\rm SFR}) -3.337 -2.054 -1.020
{\rm log}_{10}({\rm sSFR}) -12.699 -11.336 -10.291
{\rm stellar\ age} 5.824 7.781 9.649

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.876 -1.630 -1.263
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.710 -0.917 -0.016

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.098 0.257 0.487
\delta -0.739 -0.296 0.206
\tau_1/\tau_2 0.640 1.025 1.399
Q_{PAH} 1.049 2.937 5.235
U_{min} 2.770 8.365 15.747
{\rm log}_{10}(\gamma_e)\, -3.490 -2.359 -0.721

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.920 -1.653 -0.772
{\rm log}_{10}(\tau_{AGN})\, 0.882 1.356 1.800

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.204 -2.482 -1.788
0.03-0.10 Gyr -3.692 -2.030 -0.898
0.10-0.33 Gyr -3.118 -1.589 -0.729
0.33-1.10 Gyr -2.662 -1.315 -0.716
1.10-3.67 Gyr -2.127 -0.930 -0.478
3.67-12.18 Gyr -1.351 -0.655 -0.464
12.18-13.53 Gyr -1.478 -0.528 0.110

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.659 8.887 9.028
{\rm log}_{10}({\rm SFR}) -1.388 -0.772 -0.306
{\rm log}_{10}({\rm sSFR}) -10.332 -9.645 -9.093
{\rm stellar\ age} 4.628 7.495 9.612

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.818 -1.325 -0.550
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.809 -1.211 -0.028

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.523 0.799 1.072
\delta -0.352 0.043 0.277
\tau_1/\tau_2 0.414 0.854 1.294
Q_{PAH} 0.401 1.533 3.466
U_{min} 2.722 7.504 14.491
{\rm log}_{10}(\gamma_e)\, -3.529 -2.621 -1.319

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.222 -1.802 -1.182
{\rm log}_{10}(\tau_{AGN})\, 0.875 1.368 1.863

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.744 -0.940 -0.504
0.03-0.10 Gyr -1.994 -0.812 -0.204
0.10-0.33 Gyr -2.612 -1.297 -0.691
0.33-1.10 Gyr -3.055 -1.579 -0.988
1.10-3.67 Gyr -2.716 -1.444 -0.982
3.67-12.18 Gyr -2.028 -1.114 -0.837
12.18-13.53 Gyr -2.065 -0.990 -0.235