2026apa

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Information

Transient

Name: AT2026apa
Right ascension: 13h37m13.27s
Declination: 25d12m03.88s
Discovery Date: Jan. 17, 2026, 2:03 p.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name:
Right ascension: 13h37m13.29s
Declination: 25d12m03.98s
Redshift: None
Photometric Redshift: 0.091
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.79
Transient MWEBV processed 0.04
Host match processed 5.72
Host information processed 0.15
Host MWEBV processed 0.03
Global aperture construction processed 0.6
Global aperture photometry processed 6.39
Validate global photometry processed 18.87
Global host SED inference processed 405.42
Local aperture photometry processed 6.02
Validate local photometry processed 0.04
Local host SED inference processed 414.62
 

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) = 13h37m13.27s, 25d12m03.88s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
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 19.09 0.24 20.698 0.014 AB
DES_r 29.86 0.59 20.212 0.021 AB
PanSTARRS_i 46.3 0.49 19.736 0.012 AB
PanSTARRS_z 50.61 0.7 19.640 0.015 AB
DES_z 53.0 2.09 19.589 0.043 AB
PanSTARRS_y 44.85 1.77 19.771 0.043 AB

Aperture details

RA, DEC (J2000) = 13h37m13.28s, 25d12m04.10s
semi major axis, semi minor axis (arcsec) = 7.26, 3.28
angle (degrees, anti-clockwise from east) = -72.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.94 2.84 21.650 0.388 AB
GALEX_NUV 13.8 0.63 21.050 0.050 AB
SDSS_u 28.05 3.48 20.280 0.135 AB
SDSS_g 87.45 3.04 19.046 0.038 AB
DES_g 88.38 0.58 19.034 0.007 AB
PanSTARRS_g 88.27 1.57 19.035 0.019 AB
SDSS_r 134.11 3.79 18.581 0.031 AB
PanSTARRS_r 130.36 1.21 18.612 0.010 AB
DES_r 139.76 1.35 18.537 0.010 AB
SDSS_i 182.13 5.12 18.249 0.031 AB
PanSTARRS_i 181.48 1.94 18.253 0.012 AB
PanSTARRS_z 195.46 2.77 18.172 0.015 AB
SDSS_z 271.31 14.63 17.816 0.059 AB
DES_z 201.43 4.36 18.140 0.023 AB
PanSTARRS_y 204.94 7.14 18.121 0.038 AB
2MASS_J 241.18 133.93 17.049 0.603 Vega
2MASS_H 47.51 236.6 18.340 5.407 Vega
2MASS_K 472.29 200.75 15.377 0.461 Vega
WISE_W1 105.96 8.19 16.138 0.084 Vega
WISE_W2 61.62 11.05 16.087 0.195 Vega
WISE_W3 119.22 64.18 13.535 0.584 Vega
WISE_W4 89.81 363.14 12.397 4.390 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})\, 9.119 9.276 9.391
{\rm log}_{10}({\rm SFR}) -1.058 -0.643 -0.236
{\rm log}_{10}({\rm sSFR}) -10.384 -9.941 -9.405
{\rm stellar\ age} 5.141 6.986 8.641

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.378 -0.875 -0.444
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.388 -0.987 -0.333

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.370 0.762 1.159
\delta -0.404 -0.047 0.205
\tau_1/\tau_2 0.508 0.887 1.272
Q_{PAH} 0.637 2.329 4.808
U_{min} 2.931 7.915 14.645
{\rm log}_{10}(\gamma_e)\, -2.986 -2.008 -0.968

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.421 -1.040 -0.188
{\rm log}_{10}(\tau_{AGN})\, 1.088 1.442 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.863 -0.533 -0.221
0.03-0.10 Gyr -1.398 -0.734 -0.214
0.10-0.33 Gyr -1.746 -1.043 -0.477
0.33-1.06 Gyr -1.876 -1.057 -0.535
1.06-3.47 Gyr -1.627 -0.840 -0.524
3.47-11.31 Gyr -1.062 -0.629 -0.444
11.31-12.57 Gyr -1.201 -0.538 0.066

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.651 9.748 9.847
{\rm log}_{10}({\rm SFR}) -0.575 -0.323 -0.044
{\rm log}_{10}({\rm sSFR}) -10.345 -10.079 -9.770
{\rm stellar\ age} 5.658 6.839 8.071

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.403 -0.967 -0.571
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.907 0.212 0.401

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.161 0.315 0.488
\delta -0.439 -0.091 0.155
\tau_1/\tau_2 0.761 1.108 1.461
Q_{PAH} 0.853 2.279 4.186
U_{min} 2.771 7.511 14.354
{\rm log}_{10}(\gamma_e)\, -2.624 -1.651 -0.680

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.224 -3.010 -1.818
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.555 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.743 -0.515 -0.344
0.03-0.10 Gyr -0.596 -0.262 0.073
0.10-0.33 Gyr -0.564 -0.220 0.064
0.33-1.06 Gyr -0.698 -0.334 -0.065
1.06-3.47 Gyr -0.613 -0.265 -0.046
3.47-11.31 Gyr -0.351 -0.139 0.023
11.31-12.57 Gyr -0.562 -0.037 0.430