2026apd

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Information

Transient

Name: AT2026apd
Right ascension: 13h43m33.58s
Declination: 34d54m49.63s
Discovery Date: Jan. 18, 2026, 11:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.009

Host

Name: 2056542
Right ascension: 13h43m34.53s
Declination: 34d54m49.39s
Redshift: 0.035692
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.62
Transient MWEBV processed 0.04
Host match processed 3.64
Host information processed 0.07
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 5.11
Validate global photometry processed 16.36
Global host SED inference processed 417.99
Local aperture photometry processed 5.36
Validate local photometry processed 0.03
Local host SED inference processed 452.98
 

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) = 13h43m33.58s, 34d54m49.63s
semi major axis, semi minor axis (arcsec) = 2.82, 2.82
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 29.58 2.05 20.223 0.075 AB
SDSS_g 150.21 3.25 18.458 0.023 AB
DES_g 154.04 1.13 18.431 0.008 AB
PanSTARRS_g 168.07 0.78 18.336 0.005 AB
SDSS_r 341.69 4.92 17.566 0.016 AB
PanSTARRS_r 353.54 1.14 17.529 0.004 AB
SDSS_i 527.2 6.27 17.095 0.013 AB
PanSTARRS_i 505.89 0.96 17.140 0.002 AB
PanSTARRS_z 674.75 1.52 16.827 0.002 AB
SDSS_z 731.54 10.61 16.739 0.016 AB
PanSTARRS_y 842.39 3.76 16.586 0.005 AB
2MASS_H 1510.28 81.79 14.585 0.059 Vega

Aperture details

RA, DEC (J2000) = 13h43m34.49s, 34d54m49.94s
semi major axis, semi minor axis (arcsec) = 38.64, 6.11
angle (degrees, anti-clockwise from east) = -88.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 27.9 5.35 20.286 0.208 AB
GALEX_NUV 43.5 5.57 19.804 0.139 AB
SDSS_u 377.84 9.88 17.457 0.028 AB
SDSS_g 1909.86 11.93 15.697 0.007 AB
PanSTARRS_g 2147.04 4.1 15.570 0.002 AB
SDSS_r 4316.91 18.11 14.812 0.005 AB
PanSTARRS_r 4482.89 6.0 14.771 0.001 AB
SDSS_i 6609.97 23.67 14.350 0.004 AB
PanSTARRS_i 6366.94 5.11 14.390 0.001 AB
PanSTARRS_z 8377.13 7.96 14.092 0.001 AB
SDSS_z 9035.74 50.06 14.010 0.006 AB
PanSTARRS_y 10515.85 20.38 13.845 0.002 AB
2MASS_J 14955.15 306.53 12.568 0.022 Vega
2MASS_H 19240.52 460.79 11.822 0.026 Vega
2MASS_K 16809.41 521.92 11.498 0.034 Vega
WISE_W1 7788.92 54.76 11.472 0.008 Vega
WISE_W2 4666.14 56.57 11.389 0.013 Vega
WISE_W3 7914.02 164.62 8.980 0.023 Vega
WISE_W4 8385.48 1101.33 7.471 0.143 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})\, 9.539 9.699 9.824
{\rm log}_{10}({\rm SFR}) -1.757 -0.829 -0.159
{\rm log}_{10}({\rm sSFR}) -11.488 -10.481 -9.708
{\rm stellar\ age} 5.844 7.834 11.546

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.249 -0.517 -0.175
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.678 -0.175 0.297

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.401 0.995 1.459
\delta -0.677 -0.379 -0.111
\tau_1/\tau_2 0.619 0.997 1.362
Q_{PAH} 0.686 1.957 3.878
U_{min} 2.622 7.511 14.372
{\rm log}_{10}(\gamma_e)\, -3.412 -2.389 -1.275

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.841 -1.704 -0.464
{\rm log}_{10}(\tau_{AGN})\, 0.998 1.400 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.779 -0.736 -0.180
0.03-0.10 Gyr -2.172 -0.933 -0.134
0.10-0.33 Gyr -2.409 -1.020 -0.176
0.33-1.09 Gyr -2.845 -0.957 -0.252
1.09-3.61 Gyr -2.577 -0.649 -0.178
3.61-11.95 Gyr -1.081 -0.292 -0.054
11.95-13.28 Gyr -0.795 -0.058 0.847

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.812 10.850 10.943
{\rm log}_{10}({\rm SFR}) -1.224 -0.775 -0.436
{\rm log}_{10}({\rm sSFR}) -12.116 -11.655 -11.280
{\rm stellar\ age} 7.989 9.137 12.284

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.264 -0.111 -0.002
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.427 -0.261 0.317

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.252 0.335 0.451
\delta -0.517 -0.246 0.051
\tau_1/\tau_2 0.409 0.817 1.244
Q_{PAH} 1.737 3.151 4.745
U_{min} 2.678 7.714 15.396
{\rm log}_{10}(\gamma_e)\, -3.141 -2.103 -1.365

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.414 -3.510 -2.471
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.641 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.901 -0.555 -0.223
0.03-0.10 Gyr -2.934 -1.096 -0.506
0.10-0.33 Gyr -2.876 -1.198 -0.500
0.33-1.09 Gyr -2.435 -1.021 -0.352
1.09-3.61 Gyr -1.665 -0.418 0.313
3.61-11.95 Gyr -0.090 0.955 1.090
11.95-13.28 Gyr 0.825 1.461 2.046