2026atk

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Information

Transient

Name: AT2026atk
Right ascension: 12h14m04.51s
Declination: -17d58m03.27s
Discovery Date: Jan. 19, 2026, 11:03 a.m.
Classification: None
Redshift: None
MW E(B-V):

Host

Name: ESO573-004
Right ascension: 12h14m04.72s
Declination: -17d57m59.89s
Redshift: 0.044442
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.9
Transient MWEBV processed 0.04
Host match processed 4.21
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 3.88
Validate global photometry processed 10.94
Global host SED inference processed 508.22
Local aperture photometry processed 3.62
Validate local photometry processed 0.02
Local host SED inference processed 466.81
 

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) = 12h14m04.51s, -17d58m03.27s
semi major axis, semi minor axis (arcsec) = 2.29, 2.29
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 123.04 0.68 18.675 0.006 AB
PanSTARRS_r 275.15 0.63 17.801 0.002 AB
PanSTARRS_i 421.13 0.93 17.339 0.002 AB
PanSTARRS_z 550.97 1.94 17.047 0.004 AB
PanSTARRS_y 711.87 3.96 16.769 0.006 AB

Aperture details

RA, DEC (J2000) = 12h14m04.76s, -17d57m58.63s
semi major axis, semi minor axis (arcsec) = 40.0, 10.41
angle (degrees, anti-clockwise from east) = -139.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 4227.46 4.89 14.835 0.001 AB
PanSTARRS_z 6843.41 16.49 14.312 0.003 AB
PanSTARRS_y 8023.27 34.77 14.139 0.005 AB
WISE_W1 7110.75 61.73 11.571 0.009 Vega
WISE_W2 4459.74 70.03 11.438 0.017 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})\, 9.654 9.848 9.984
{\rm log}_{10}({\rm SFR}) -1.581 -0.621 0.075
{\rm log}_{10}({\rm sSFR}) -11.549 -10.502 -9.692
{\rm stellar\ age} 4.895 7.598 10.879

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.386 -0.616 -0.171
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.590 -0.105 0.325

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.459 1.146 1.582
\delta -0.636 -0.354 0.066
\tau_1/\tau_2 0.631 1.004 1.371
Q_{PAH} 0.494 2.036 4.436
U_{min} 2.519 7.646 14.883
{\rm log}_{10}(\gamma_e)\, -3.551 -2.399 -1.072

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.268 -2.761 -0.327
{\rm log}_{10}(\tau_{AGN})\, 0.909 1.330 1.854

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.637 -0.587 0.013
0.03-0.10 Gyr -2.049 -0.740 0.097
0.10-0.33 Gyr -2.162 -0.851 0.018
0.33-1.09 Gyr -2.289 -0.722 0.064
1.09-3.59 Gyr -1.991 -0.448 0.037
3.59-11.85 Gyr -1.103 -0.159 0.100
11.85-13.16 Gyr -0.824 0.064 0.938

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.550 10.727 10.902
{\rm log}_{10}({\rm SFR}) 0.052 0.755 1.307
{\rm log}_{10}({\rm sSFR}) -10.683 -10.016 -9.461
{\rm stellar\ age} 3.553 6.583 8.538

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.005 -0.410 -0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.819 -0.921 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.369 0.612 0.896
\delta -0.490 -0.040 0.270
\tau_1/\tau_2 0.387 0.813 1.256
Q_{PAH} 0.478 2.070 4.418
U_{min} 1.971 6.431 13.297
{\rm log}_{10}(\gamma_e)\, -3.729 -3.039 -2.004

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.599 -2.313 -1.834
{\rm log}_{10}(\tau_{AGN})\, 0.830 1.140 1.699

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.330 0.625 0.929
0.03-0.10 Gyr -0.460 0.752 1.416
0.10-0.33 Gyr -0.860 0.460 1.161
0.33-1.09 Gyr -0.822 0.524 1.054
1.09-3.59 Gyr -0.218 0.745 1.143
3.59-11.85 Gyr -0.347 0.690 1.017
11.85-13.16 Gyr -0.582 0.728 1.461