2025ytg

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Information

Transient

Name: SN2025ytg
Right ascension: 22h13m47.03s
Declination: 13d47m20.05s
Discovery Date: Sept. 27, 2025, 10:13 p.m.
Classification: SN Ia
Redshift: 0.025244
MW E(B-V): 0.053

Host

Name: 68331
Right ascension: 22h13m46.57s
Declination: 13d47m26.39s
Redshift: 0.025808
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 4.0
Cutout download processed 19.35
Global aperture construction processed 0.65
Local aperture photometry processed 6.96
Global aperture photometry processed 7.08
Validate local photometry processed 0.03
Validate global photometry processed 19.5
Host information processed 0.05
Global host SED inference processed 373.81
Local host SED inference processed 436.13
Transient information processed 0.0
Transient MWEBV processed 0.03
Host MWEBV processed 0.03
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) = 22h13m47.03s, 13d47m20.05s
semi major axis, semi minor axis (arcsec) = 3.85, 3.85
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 15.34 3.43 20.935 0.243 AB
SDSS_g 68.58 2.37 19.310 0.038 AB
DES_g 76.49 0.42 19.191 0.006 AB
PanSTARRS_g 71.77 1.03 19.260 0.016 AB
SDSS_r 160.16 3.6 18.389 0.024 AB
PanSTARRS_r 146.3 1.21 18.487 0.009 AB
DES_r 179.25 1.05 18.266 0.006 AB
SDSS_i 256.63 4.94 17.877 0.021 AB
PanSTARRS_i 231.33 1.29 17.989 0.006 AB
PanSTARRS_z 301.81 3.23 17.701 0.012 AB
SDSS_z 385.58 10.86 17.435 0.031 AB
DES_z 378.48 3.11 17.455 0.009 AB
PanSTARRS_y 411.17 8.6 17.365 0.023 AB
2MASS_J 673.26 101.3 15.935 0.163 Vega
2MASS_H 769.6 130.61 15.317 0.184 Vega
2MASS_K 551.05 199.43 15.209 0.393 Vega

Aperture details

RA, DEC (J2000) = 22h13m46.49s, 13d47m26.97s
semi major axis, semi minor axis (arcsec) = 26.79, 8.62
angle (degrees, anti-clockwise from east) = -18.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.54 0.64 22.042 0.125 AB
GALEX_NUV 18.07 0.62 20.758 0.037 AB
SDSS_u 373.54 13.82 17.469 0.040 AB
SDSS_g 2170.98 12.72 15.558 0.006 AB
PanSTARRS_g 2381.16 4.2 15.458 0.002 AB
SDSS_r 5225.87 19.65 14.605 0.004 AB
PanSTARRS_r 5332.04 4.87 14.583 0.001 AB
DES_r 5043.86 5.38 14.643 0.001 AB
SDSS_i 8362.2 25.94 14.094 0.003 AB
PanSTARRS_i 8293.51 5.21 14.103 0.001 AB
PanSTARRS_z 11160.7 12.77 13.781 0.001 AB
SDSS_z 12073.69 47.34 13.695 0.004 AB
DES_z 10753.42 16.18 13.821 0.002 AB
PanSTARRS_y 14459.08 33.69 13.500 0.003 AB
2MASS_J 18757.5 410.63 12.322 0.024 Vega
2MASS_H 24564.43 527.76 11.557 0.023 Vega
2MASS_K 20418.41 806.46 11.287 0.043 Vega
WISE_W1 10080.45 66.16 11.192 0.007 Vega
WISE_W2 5584.49 69.57 11.194 0.014 Vega
WISE_W3 4847.61 190.31 9.512 0.043 Vega
WISE_W4 4266.24 1014.92 8.205 0.258 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})\, 8.947 9.125 9.266
{\rm log}_{10}({\rm SFR}) -1.283 -0.752 -0.299
{\rm log}_{10}({\rm sSFR}) -10.509 -9.887 -9.379
{\rm stellar\ age} 4.990 7.358 9.468

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.278 -0.613 -0.088
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.791 -0.139 0.149

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.714 1.414 1.813
\delta -0.422 -0.165 0.043
\tau_1/\tau_2 0.690 1.017 1.357
Q_{PAH} 0.382 1.418 2.761
U_{min} 2.471 7.381 14.833
{\rm log}_{10}(\gamma_e)\, -3.525 -2.522 -1.434

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.280 -2.363 -0.752
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.420 1.858

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.162 -0.692 -0.342
0.03-0.10 Gyr -1.622 -0.824 -0.262
0.10-0.33 Gyr -1.952 -1.096 -0.489
0.33-1.10 Gyr -2.139 -1.184 -0.670
1.10-3.64 Gyr -2.032 -1.058 -0.692
3.64-12.07 Gyr -1.539 -0.856 -0.623
12.07-13.41 Gyr -1.520 -0.752 -0.031

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.652 10.699 10.780
{\rm log}_{10}({\rm SFR}) -1.725 -1.276 -0.985
{\rm log}_{10}({\rm sSFR}) -12.451 -11.976 -11.662
{\rm stellar\ age} 7.903 8.766 11.623

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.374 -0.235 -0.128
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.503 -0.743 -0.006

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.398 0.494 0.601
\delta -0.358 -0.207 -0.071
\tau_1/\tau_2 0.645 0.980 1.330
Q_{PAH} 0.466 0.936 1.552
U_{min} 2.654 7.660 14.372
{\rm log}_{10}(\gamma_e)\, -3.210 -2.504 -1.934

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.680 -4.097 -3.240
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.656 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.105 -1.391 -1.045
0.03-0.10 Gyr -1.869 -1.282 -0.918
0.10-0.33 Gyr -1.806 -1.184 -0.718
0.33-1.10 Gyr -1.718 -0.933 -0.349
1.10-3.64 Gyr -1.255 -0.245 0.379
3.64-12.07 Gyr 0.344 0.837 0.942
12.07-13.41 Gyr 0.592 1.158 1.795