2025kdy

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Information

Transient

Name: SN2025kdy
Right ascension: 22h40m28.30s
Declination: -12d58m19.36s
Discovery Date: May 6, 2025, 2:32 a.m.
Classification: SN Ia-91T-like
Redshift: 0.060000
MW E(B-V): 0.048

Host

Name: 2025kdy
Right ascension: 22h40m28.31s
Declination: -12d58m19.94s
Redshift: None
Photometric Redshift: 0.240
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.3
Transient MWEBV processed 0.04
Host match processed 1.93
Host information processed 0.1
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 5.85
Validate global photometry processed 13.3
Global host SED inference processed 409.56
Local aperture photometry processed 5.48
Validate local photometry processed 0.02
Local host SED inference processed 418.14
 

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) = 22h40m28.30s, -12d58m19.36s
semi major axis, semi minor axis (arcsec) = 1.73, 1.73
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 14.4 0.22 21.004 0.017 AB
PanSTARRS_g 14.47 0.38 20.999 0.029 AB
PanSTARRS_r 25.95 0.42 20.365 0.017 AB
PanSTARRS_i 37.48 0.48 19.966 0.014 AB
PanSTARRS_z 44.26 1.38 19.785 0.034 AB
DES_z 45.84 1.27 19.747 0.030 AB
PanSTARRS_y 52.42 3.46 19.601 0.072 AB

Aperture details

RA, DEC (J2000) = 22h40m28.29s, -12d58m19.78s
semi major axis, semi minor axis (arcsec) = 3.13, 2.21
angle (degrees, anti-clockwise from east) = -115.1

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 18.78 0.27 20.716 0.016 AB
PanSTARRS_g 17.91 0.58 20.768 0.035 AB
PanSTARRS_r 31.65 0.61 20.149 0.021 AB
PanSTARRS_i 45.65 0.71 19.751 0.017 AB
PanSTARRS_z 52.89 2.0 19.592 0.041 AB
DES_z 55.16 1.46 19.546 0.029 AB
PanSTARRS_y 66.06 4.98 19.350 0.082 AB
2MASS_J 100.8 93.44 17.996 1.006 Vega
2MASS_H 73.68 160.38 17.864 2.363 Vega
2MASS_K -94.11 161.33 Vega
WISE_W1 22.25 8.02 17.832 0.391 Vega
WISE_W2 23.36 12.98 17.140 0.603 Vega
WISE_W3 -76.24 55.57 Vega
WISE_W4 568.52 420.67 10.393 0.803 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.809 8.910 9.024
{\rm log}_{10}({\rm SFR}) -2.077 -1.539 -0.984
{\rm log}_{10}({\rm sSFR}) -11.005 -10.461 -9.935
{\rm stellar\ age} 5.734 7.212 8.471

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.650 -1.062 -0.501
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.708 -0.695 0.236

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.331 0.734 1.135
\delta -0.325 0.002 0.258
\tau_1/\tau_2 0.694 1.047 1.396
Q_{PAH} 0.933 2.708 5.015
U_{min} 2.921 7.757 14.333
{\rm log}_{10}(\gamma_e)\, -3.098 -1.920 -0.626

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.516 -0.357 0.051
{\rm log}_{10}(\tau_{AGN})\, 1.131 1.524 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.324 -1.682 -1.201
0.03-0.10 Gyr -2.188 -1.534 -0.917
0.10-0.33 Gyr -2.130 -1.516 -0.990
0.33-1.08 Gyr -2.135 -1.478 -0.956
1.08-3.55 Gyr -1.751 -1.145 -0.851
3.55-11.66 Gyr -1.302 -0.962 -0.797
11.66-12.96 Gyr -1.517 -0.925 -0.398

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.653 8.909 9.067
{\rm log}_{10}({\rm SFR}) -1.757 -1.143 -0.581
{\rm log}_{10}({\rm sSFR}) -10.690 -10.088 -9.305
{\rm stellar\ age} 3.070 6.530 8.241

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.546 -0.935 -0.363
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.528 -0.425 0.247

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.368 0.832 1.218
\delta -0.473 -0.143 0.209
\tau_1/\tau_2 0.677 1.042 1.404
Q_{PAH} 1.186 3.014 5.079
U_{min} 3.136 8.644 16.217
{\rm log}_{10}(\gamma_e)\, -2.880 -1.673 -0.512

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.299 -1.098 -0.308
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.465 1.840

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.924 -1.312 -0.791
0.03-0.10 Gyr -1.967 -1.147 -0.501
0.10-0.33 Gyr -1.829 -1.050 -0.411
0.33-1.08 Gyr -2.048 -1.148 -0.646
1.08-3.55 Gyr -2.024 -1.166 -0.833
3.55-11.66 Gyr -2.079 -1.069 -0.800
11.66-12.96 Gyr -2.191 -1.025 -0.409