2025xdd

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Information

Transient

Name: SN2025xdd
Right ascension: 23h16m23.75s
Declination: 24d29m53.05s
Discovery Date: Sept. 7, 2025, 8:02 a.m.
Classification: SN II
Redshift: 0.028043
MW E(B-V): 0.071

Host

Name: 23162486+2429493
Right ascension: 23h16m24.87s
Declination: 24d29m49.32s
Redshift: 0.028043
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.5
Transient MWEBV processed 0.04
Host match processed 3.91
Host information processed 0.1
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.79
Validate global photometry processed 18.6
Global host SED inference processed 446.57
Local aperture photometry processed 7.24
Validate local photometry processed 0.03
Local host SED inference processed 455.83
 

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) = 23h16m23.75s, 24d29m53.05s
semi major axis, semi minor axis (arcsec) = 3.55, 3.55
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 60.52 3.46 19.445 0.062 AB
SDSS_g 164.94 3.44 18.357 0.023 AB
DES_g 168.55 0.48 18.333 0.003 AB
PanSTARRS_g 172.65 1.04 18.307 0.007 AB
SDSS_r 238.78 4.24 17.955 0.019 AB
PanSTARRS_r 256.54 1.55 17.877 0.007 AB
DES_r 261.4 1.31 17.857 0.005 AB
SDSS_i 298.34 5.03 17.713 0.018 AB
PanSTARRS_i 297.81 1.43 17.715 0.005 AB
PanSTARRS_z 337.67 3.49 17.579 0.011 AB
SDSS_z 318.25 13.77 17.643 0.047 AB
DES_z 351.6 3.2 17.535 0.010 AB
PanSTARRS_y 395.78 6.14 17.406 0.017 AB
2MASS_J 334.52 73.59 16.694 0.239 Vega
2MASS_H 247.64 111.39 16.548 0.488 Vega
2MASS_K 364.58 137.73 15.658 0.410 Vega

Aperture details

RA, DEC (J2000) = 23h16m24.78s, 24d29m48.89s
semi major axis, semi minor axis (arcsec) = 38.36, 22.16
angle (degrees, anti-clockwise from east) = -59.21

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 471.03 15.66 17.217 0.036 AB
GALEX_NUV 605.9 11.71 16.944 0.021 AB
PanSTARRS_g 6358.15 8.61 14.392 0.001 AB
SDSS_r 10228.61 28.64 13.875 0.003 AB
PanSTARRS_r 10640.79 12.83 13.833 0.001 AB
DES_r 11207.97 8.88 13.776 0.001 AB
SDSS_i 13597.12 35.69 13.566 0.003 AB
PanSTARRS_z 15604.5 29.09 13.417 0.002 AB
DES_z 16757.09 22.49 13.340 0.001 AB
WISE_W3 25395.62 411.31 7.714 0.018 Vega
WISE_W4 28981.58 2261.8 6.125 0.085 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})\, 8.684 8.915 9.071
{\rm log}_{10}({\rm SFR}) -1.572 -0.990 -0.409
{\rm log}_{10}({\rm sSFR}) -10.564 -9.890 -9.126
{\rm stellar\ age} 2.956 6.211 8.086

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.813 -1.457 -0.886
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.517 -0.105 0.245

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.397 0.711
\delta -0.680 -0.232 0.185
\tau_1/\tau_2 0.736 1.088 1.457
Q_{PAH} 0.657 2.246 4.328
U_{min} 2.647 7.770 15.127
{\rm log}_{10}(\gamma_e)\, -3.271 -2.007 -0.836

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.696 -1.639 -0.750
{\rm log}_{10}(\tau_{AGN})\, 0.868 1.443 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.488 -1.199 -0.914
0.03-0.10 Gyr -1.749 -0.932 -0.276
0.10-0.33 Gyr -1.741 -0.872 -0.348
0.33-1.10 Gyr -1.945 -1.078 -0.692
1.10-3.64 Gyr -1.896 -1.103 -0.776
3.64-12.04 Gyr -1.979 -1.102 -0.788
12.04-13.38 Gyr -2.122 -1.127 -0.533

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.569 10.662 10.753
{\rm log}_{10}({\rm SFR}) 0.188 0.428 0.660
{\rm log}_{10}({\rm sSFR}) -10.478 -10.249 -9.979
{\rm stellar\ age} 4.148 6.476 7.885

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.866 -0.645 -0.453
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.854 -1.625 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.213 0.493 0.702
\delta -0.079 0.168 0.317
\tau_1/\tau_2 0.318 0.650 1.065
Q_{PAH} 0.396 0.846 1.448
U_{min} 2.109 5.489 11.372
{\rm log}_{10}(\gamma_e)\, -3.774 -3.320 -2.344

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.960 -1.845 -1.324
{\rm log}_{10}(\tau_{AGN})\, 0.772 0.988 1.300

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.360 0.634 0.829
0.03-0.10 Gyr -0.167 0.291 0.633
0.10-0.33 Gyr -0.275 0.218 0.619
0.33-1.10 Gyr 0.156 0.640 0.968
1.10-3.64 Gyr 0.533 0.873 1.142
3.64-12.04 Gyr 0.234 0.711 0.895
12.04-13.38 Gyr -0.194 0.640 1.132