2025snb

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Information

Transient

Name: SN2025snb
Right ascension: 22h31m55.56s
Declination: 32d40m43.25s
Discovery Date: July 28, 2025, 7:56 a.m.
Classification: SN Ia
Redshift: 0.011000
MW E(B-V): 0.073

Host

Name:
Right ascension: 22h31m55.48s
Declination: 32d40m43.90s
Redshift: None
Photometric Redshift: 0.116
 

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 8.42
Cutout download processed 40.22
Global aperture construction processed 2.68
Local aperture photometry processed 7.49
Global aperture photometry processed 6.59
Validate local photometry processed 0.02
Validate global photometry processed 17.09
Host information processed 0.15
Global host SED inference processed 764.15
Local host SED inference processed 3496.94
Transient information processed 0.0
Transient MWEBV processed 0.09
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) = 22h31m55.56s, 32d40m43.25s
semi major axis, semi minor axis (arcsec) = 8.88, 8.88
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 55.53 6.26 19.539 0.122 AB
SDSS_g 31.17 2.74 20.166 0.096 AB
DES_g 9.09 0.77 21.504 0.092 AB
PanSTARRS_g 5.5 1.74 22.049 0.343 AB
SDSS_r 15.6 4.19 20.917 0.292 AB
PanSTARRS_r 11.66 1.95 21.234 0.181 AB
DES_r 18.56 1.63 20.728 0.095 AB
SDSS_i 12.98 7.11 21.117 0.595 AB
PanSTARRS_i 1.64 2.69 23.365 1.784 AB
PanSTARRS_z 59.63 5.72 19.461 0.104 AB
SDSS_z 178.77 21.93 18.269 0.133 AB
DES_z 25.97 3.33 20.364 0.139 AB
PanSTARRS_y -41.78 15.45 AB
2MASS_J 425.19 230.7 16.434 0.589 Vega
2MASS_H -174.56 377.31 Vega
2MASS_K 303.2 402.31 15.858 1.441 Vega
WISE_W1 33.84 11.31 17.378 0.363 Vega
WISE_W2 15.26 12.21 17.602 0.869 Vega
WISE_W3 60.58 61.08 14.270 1.095 Vega

Aperture details

RA, DEC (J2000) = 22h31m55.47s, 32d40m44.37s
semi major axis, semi minor axis (arcsec) = 3.45, 3.25
angle (degrees, anti-clockwise from east) = -153.29

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 10.2 2.43 21.378 0.259 AB
SDSS_g 11.8 1.24 21.220 0.114 AB
DES_g 9.54 0.32 21.452 0.037 AB
PanSTARRS_g 10.19 0.66 21.379 0.070 AB
SDSS_r 13.07 1.77 21.109 0.147 AB
PanSTARRS_r 13.65 0.73 21.062 0.058 AB
DES_r 15.45 0.72 20.928 0.051 AB
SDSS_i 12.01 2.77 21.201 0.250 AB
PanSTARRS_i 16.27 0.99 20.872 0.066 AB
PanSTARRS_z 24.33 2.1 20.435 0.094 AB
SDSS_z 36.96 8.28 19.981 0.243 AB
DES_z 19.19 1.45 20.692 0.082 AB
PanSTARRS_y 20.02 5.65 20.646 0.306 AB
2MASS_J 115.17 110.05 17.852 1.037 Vega
2MASS_H -233.08 177.01 Vega
2MASS_K 94.22 191.9 17.127 2.211 Vega
WISE_W1 23.26 7.79 17.784 0.364 Vega
WISE_W2 16.67 9.32 17.506 0.607 Vega
WISE_W3 42.27 47.24 14.661 1.213 Vega
WISE_W4 605.55 372.84 10.325 0.668 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})\, 7.474 7.819 8.037
{\rm log}_{10}({\rm SFR}) -1.488 -0.958 -0.465
{\rm log}_{10}({\rm sSFR}) -9.225 -8.704 -8.071
{\rm stellar\ age} 1.763 6.895 10.257

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.838 -1.502 -0.937
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.823 -0.271 0.387

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.923 2.613 3.221
\delta 0.285 0.349 0.386
\tau_1/\tau_2 0.977 1.299 1.651
Q_{PAH} 0.280 1.155 2.922
U_{min} 2.936 8.967 17.560
{\rm log}_{10}(\gamma_e)\, -3.372 -2.172 -1.012

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.379 -2.891 -0.544
{\rm log}_{10}(\tau_{AGN})\, 1.144 1.476 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.291 -0.761 -0.249
0.03-0.10 Gyr -2.861 -1.436 -0.620
0.10-0.33 Gyr -5.534 -3.553 -2.261
0.33-1.10 Gyr -6.806 -4.131 -2.661
1.10-3.64 Gyr -5.921 -3.115 -2.214
3.64-12.07 Gyr -4.925 -2.537 -1.945
12.07-13.41 Gyr -4.706 -2.240 -1.128

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 6.897 7.017 7.185
{\rm log}_{10}({\rm SFR}) -2.512 -1.869 -0.927
{\rm log}_{10}({\rm sSFR}) -9.544 -8.868 -7.949
{\rm stellar\ age} 0.106 3.563 7.031

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.769 -1.430 -0.873
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.585 -1.045 -0.259

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.932 1.724 2.525
\delta 0.077 0.235 0.338
\tau_1/\tau_2 0.712 1.170 1.615
Q_{PAH} 0.899 2.973 5.369
U_{min} 3.921 10.364 18.349
{\rm log}_{10}(\gamma_e)\, -2.973 -1.732 -0.607

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.259 -0.233 0.365
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.462 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.350 -2.400 -1.702
0.03-0.10 Gyr -2.606 -1.829 -0.782
0.10-0.33 Gyr -4.014 -2.609 -1.694
0.33-1.10 Gyr -5.760 -3.298 -2.565
1.10-3.64 Gyr -7.241 -3.465 -2.837
3.64-12.07 Gyr -8.111 -3.542 -2.868
12.07-13.41 Gyr -8.339 -3.587 -2.658