2026ud

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Information

Transient

Name: SN2026ud
Right ascension: 12h58m22.89s
Declination: -3d06m01.54s
Discovery Date: Jan. 12, 2026, 12:37 p.m.
Classification: SN Ia
Redshift: 0.071808
MW E(B-V): 0.021

Host

Name: 158341
Right ascension: 12h58m22.24s
Declination: -3d06m05.72s
Redshift: 0.071363
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.42
Transient MWEBV processed 0.06
Host match processed 5.72
Host information processed 0.12
Host MWEBV processed 0.84
Global aperture construction processed 3.69
Global aperture photometry processed 6.11
Validate global photometry processed 17.75
Global host SED inference processed 430.18
Local aperture photometry processed 26.0
Validate local photometry processed 0.02
Local host SED inference processed 424.22
 

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) = 12h58m22.89s, -3d06m01.54s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 7.28 0.83 21.744 0.123 AB
DES_g 7.66 0.15 21.690 0.022 AB
PanSTARRS_g 6.72 0.36 21.832 0.059 AB
SDSS_r 13.98 1.21 21.036 0.094 AB
PanSTARRS_r 15.67 0.53 20.912 0.037 AB
DES_r 17.06 0.49 20.820 0.031 AB
SDSS_i 23.75 1.75 20.461 0.080 AB
PanSTARRS_i 22.8 0.7 20.505 0.033 AB
PanSTARRS_z 28.94 0.95 20.246 0.035 AB
SDSS_z 32.82 4.92 20.110 0.163 AB
DES_z 30.2 0.95 20.200 0.034 AB
PanSTARRS_y 37.32 2.08 19.970 0.060 AB

Aperture details

RA, DEC (J2000) = 12h58m22.26s, -3d06m05.56s
semi major axis, semi minor axis (arcsec) = 13.82, 12.46
angle (degrees, anti-clockwise from east) = -62.48

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 272.26 10.09 17.813 0.040 AB
DES_g 1632.56 1.84 15.868 0.001 AB
SDSS_r 3516.54 16.66 15.035 0.005 AB
PanSTARRS_r 3522.06 4.68 15.033 0.001 AB
DES_r 3843.8 6.65 14.938 0.002 AB
SDSS_i 5250.77 21.63 14.599 0.004 AB
PanSTARRS_i 5068.81 6.31 14.638 0.001 AB
PanSTARRS_z 6636.11 8.52 14.345 0.001 AB
SDSS_z 7006.52 47.2 14.286 0.007 AB
DES_z 7084.31 13.57 14.274 0.002 AB
PanSTARRS_y 7915.38 18.7 14.154 0.003 AB
2MASS_J 9941.9 328.35 13.011 0.036 Vega
2MASS_H 12843.2 491.3 12.261 0.042 Vega
2MASS_K 10905.72 670.53 11.968 0.067 Vega
WISE_W2 2871.13 55.24 11.916 0.021 Vega
WISE_W3 2174.94 141.82 10.382 0.071 Vega
WISE_W4 1562.34 679.46 9.296 0.472 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})\, 8.901 9.023 9.155
{\rm log}_{10}({\rm SFR}) -1.972 -1.320 -0.802
{\rm log}_{10}({\rm sSFR}) -11.042 -10.374 -9.804
{\rm stellar\ age} 5.634 7.203 8.699

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.560 -0.811 -0.192
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.497 -0.362 0.298

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.637 1.186 1.661
\delta -0.146 0.113 0.294
\tau_1/\tau_2 0.706 1.055 1.388
Q_{PAH} 0.958 3.244 5.628
U_{min} 2.948 7.948 15.082
{\rm log}_{10}(\gamma_e)\, -2.824 -1.804 -0.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.593 -0.537 0.149
{\rm log}_{10}(\tau_{AGN})\, 1.029 1.511 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.192 -1.363 -0.815
0.03-0.10 Gyr -2.100 -1.379 -0.783
0.10-0.33 Gyr -2.154 -1.400 -0.821
0.33-1.07 Gyr -2.294 -1.408 -0.855
1.07-3.52 Gyr -1.919 -1.084 -0.767
3.52-11.53 Gyr -1.293 -0.862 -0.678
11.53-12.81 Gyr -1.472 -0.840 -0.215

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.236 11.302 11.403
{\rm log}_{10}({\rm SFR}) -5.489 -1.561 -0.027
{\rm log}_{10}({\rm sSFR}) -16.462 -12.772 -11.327
{\rm stellar\ age} 7.444 8.624 12.132

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.665 -0.511 -0.381
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.525 -0.678 0.127

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.221 0.356 0.486
\delta -0.772 -0.493 -0.200
\tau_1/\tau_2 0.530 0.958 1.367
Q_{PAH} 0.377 1.059 2.283
U_{min} 3.096 9.187 16.621
{\rm log}_{10}(\gamma_e)\, -3.040 -2.157 -1.357

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.641 -3.968 -3.081
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.597 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.550 -1.859 -0.260
0.03-0.10 Gyr -6.141 -1.704 0.039
0.10-0.33 Gyr -5.850 -1.760 0.188
0.33-1.07 Gyr -4.470 -1.270 0.205
1.07-3.52 Gyr -2.898 -0.249 1.129
3.52-11.53 Gyr -0.696 1.314 1.570
11.53-12.81 Gyr 0.716 1.868 2.542