2025twu

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Information

Transient

Name: SN2025twu
Right ascension: 17h16m50.98s
Declination: 31d09m35.54s
Discovery Date: Aug. 11, 2025, 5:27 a.m.
Classification: SN Ia
Redshift: 0.080000
MW E(B-V): 0.028

Host

Name: SDSSJ171650.87+31093
Right ascension: 17h16m50.88s
Declination: 31d09m35.14s
Redshift: 0.078331
Photometric Redshift: 0.078
 

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 4.39
Cutout download processed 23.88
Global aperture construction processed 0.68
Local aperture photometry processed 5.74
Global aperture photometry processed 5.01
Validate local photometry processed 0.02
Validate global photometry processed 14.39
Host information processed 0.14
Global host SED inference processed 613.04
Local host SED inference processed 405.49
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 17h16m50.98s, 31d09m35.54s
semi major axis, semi minor axis (arcsec) = 1.35, 1.35
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 22.07 0.29 20.541 0.014 AB
SDSS_r 38.26 1.7 19.943 0.048 AB
PanSTARRS_r 38.62 0.43 19.933 0.012 AB
SDSS_i 54.43 2.14 19.560 0.043 AB
PanSTARRS_i 55.18 0.48 19.546 0.009 AB
PanSTARRS_z 54.44 0.93 19.560 0.019 AB
SDSS_z 68.11 3.97 19.317 0.063 AB
DES_z 69.06 2.38 19.302 0.037 AB
PanSTARRS_y 75.32 2.07 19.208 0.030 AB

Aperture details

RA, DEC (J2000) = 17h16m50.85s, 31d09m35.41s
semi major axis, semi minor axis (arcsec) = 9.79, 4.59
angle (degrees, anti-clockwise from east) = -34.93

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 80.31 4.87 19.138 0.066 AB
SDSS_g 177.43 3.93 18.277 0.024 AB
PanSTARRS_g 185.92 1.41 18.227 0.008 AB
SDSS_r 306.71 5.38 17.683 0.019 AB
PanSTARRS_r 305.54 2.07 17.687 0.007 AB
SDSS_i 413.17 7.18 17.360 0.019 AB
PanSTARRS_i 430.5 2.32 17.315 0.006 AB
PanSTARRS_z 473.68 4.55 17.211 0.010 AB
SDSS_z 518.65 17.76 17.113 0.037 AB
DES_z 544.75 7.1 17.060 0.014 AB
PanSTARRS_y 644.17 10.12 16.877 0.017 AB
2MASS_J 816.85 151.52 15.725 0.201 Vega
2MASS_H 764.98 261.74 15.323 0.371 Vega
2MASS_K 527.17 269.58 15.257 0.555 Vega
WISE_W1 304.81 14.38 14.991 0.051 Vega
WISE_W2 189.31 18.43 14.868 0.106 Vega
WISE_W3 384.68 65.74 12.263 0.186 Vega
WISE_W4 1170.1 439.98 9.609 0.408 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})\, 9.045 9.190 9.333
{\rm log}_{10}({\rm SFR}) -1.281 -0.830 -0.324
{\rm log}_{10}({\rm sSFR}) -10.520 -10.034 -9.431
{\rm stellar\ age} 4.352 6.481 8.153

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.468 -0.806 -0.296
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.803 -0.056 0.253

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.338 0.721 1.121
\delta -0.504 -0.164 0.183
\tau_1/\tau_2 0.721 1.049 1.386
Q_{PAH} 0.670 2.441 4.998
U_{min} 2.887 7.735 14.116
{\rm log}_{10}(\gamma_e)\, -3.127 -2.034 -0.982

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.904 -0.882 -0.238
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.491 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.170 -0.838 -0.413
0.03-0.10 Gyr -1.535 -0.847 -0.268
0.10-0.33 Gyr -1.687 -0.940 -0.409
0.33-1.07 Gyr -1.711 -0.913 -0.449
1.07-3.50 Gyr -1.419 -0.788 -0.523
3.50-11.45 Gyr -1.252 -0.755 -0.526
11.45-12.72 Gyr -1.437 -0.717 -0.119

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.994 10.073 10.135
{\rm log}_{10}({\rm SFR}) -0.438 0.093 0.537
{\rm log}_{10}({\rm sSFR}) -10.537 -10.000 -9.480
{\rm stellar\ age} 6.555 7.391 8.883

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.577 -0.426 -0.305
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.001 0.203 0.377

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.093 0.186 0.335
\delta -0.944 -0.797 -0.482
\tau_1/\tau_2 0.649 1.010 1.396
Q_{PAH} 0.282 1.050 2.475
U_{min} 2.238 6.881 14.119
{\rm log}_{10}(\gamma_e)\, -2.984 -1.999 -0.882

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.358 -3.366 -2.364
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.544 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.725 -0.493 -0.287
0.03-0.10 Gyr -0.394 0.216 0.684
0.10-0.33 Gyr -0.741 -0.226 0.100
0.33-1.07 Gyr -0.891 -0.378 -0.092
1.07-3.50 Gyr -0.662 -0.164 0.147
3.50-11.45 Gyr -0.040 0.214 0.331
11.45-12.72 Gyr -0.169 0.326 0.891