2025sem

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Information

Transient

Name: SN2025sem
Right ascension: 18h45m56.03s
Declination: 15d49m14.08s
Discovery Date: July 24, 2025, 7:08 a.m.
Classification: SN II
Redshift: 0.024200
MW E(B-V): 0.330

Host

Name:
Right ascension: 18h45m56.14s
Declination: 15d49m18.64s
Redshift: 0.087936
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
time limit exceeded
 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 11.15
Cutout download processed 20.86
Global aperture construction processed 0.77
Local aperture photometry processed 4.26
Global aperture photometry processed 3.85
Validate local photometry processed 0.02
Validate global photometry processed 12.42
Host information processed 0.15
Global host SED inference time limit exceeded 7189.19
Local host SED inference processed 544.45
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.1
Processing status blocked 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) = 18h45m56.03s, 15d49m14.08s
semi major axis, semi minor axis (arcsec) = 4.1, 4.1
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 148.16 1.07 18.473 0.008 AB
PanSTARRS_r 307.71 1.57 17.680 0.006 AB
PanSTARRS_i 464.56 1.7 17.232 0.004 AB
PanSTARRS_z 625.33 3.56 16.910 0.006 AB
PanSTARRS_y 765.0 12.28 16.691 0.017 AB
2MASS_J 891.92 101.23 15.629 0.123 Vega
2MASS_H 1381.29 170.36 14.682 0.134 Vega
2MASS_K 1189.45 162.78 14.374 0.149 Vega

Aperture details

RA, DEC (J2000) = 18h45m56.07s, 15d49m19.41s
semi major axis, semi minor axis (arcsec) = 19.36, 12.42
angle (degrees, anti-clockwise from east) = -87.07

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.18 7.48 21.278 0.726 AB
GALEX_NUV 91.75 6.15 18.993 0.073 AB
PanSTARRS_g 6220.72 4.22 14.415 0.001 AB
PanSTARRS_r 10001.29 6.06 13.900 0.001 AB
PanSTARRS_i 12212.54 6.55 13.683 0.001 AB
PanSTARRS_z 14275.48 13.53 13.514 0.001 AB
PanSTARRS_y 15434.35 47.07 13.429 0.003 AB
2MASS_J 15246.02 389.05 12.547 0.028 Vega
2MASS_H 13174.68 652.91 12.233 0.054 Vega
2MASS_K 10453.34 624.51 12.014 0.065 Vega
WISE_W1 4202.81 342.11 12.142 0.088 Vega
WISE_W2 1992.15 447.31 12.313 0.244 Vega
WISE_W3 6781.35 705.57 9.148 0.113 Vega
WISE_W4 6151.5 1195.53 7.808 0.211 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
Warning: possible contaminating objects in the global aperture
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.061 9.250 9.391
{\rm log}_{10}({\rm SFR}) -1.533 -0.674 -0.141
{\rm log}_{10}({\rm sSFR}) -10.784 -9.975 -9.347
{\rm stellar\ age} 3.497 6.283 8.108

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.297 -0.663 -0.373
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.718 -1.011 -0.161

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.267 0.617 0.966
\delta -0.547 -0.171 0.190
\tau_1/\tau_2 0.664 1.044 1.413
Q_{PAH} 0.659 2.075 4.532
U_{min} 2.864 8.414 15.835
{\rm log}_{10}(\gamma_e)\, -3.382 -1.867 -0.871

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.177 -2.333 -0.933
{\rm log}_{10}(\tau_{AGN})\, 0.929 1.384 1.844

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.767 -1.035 -0.690
0.03-0.10 Gyr -1.700 -0.619 -0.004
0.10-0.33 Gyr -1.468 -0.528 0.010
0.33-1.10 Gyr -1.615 -0.712 -0.305
1.10-3.65 Gyr -1.649 -0.712 -0.412
3.65-12.09 Gyr -1.655 -0.782 -0.500
12.09-13.43 Gyr -1.815 -0.760 -0.151

Global parameter details

Documentation

Data not available