2025aikg

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Information

Transient

Name: AT2025aikg
Right ascension: 2h47m59.42s
Declination: -52d18m19.02s
Discovery Date: Dec. 25, 2025, 3:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: 145054
Right ascension: 2h47m59.10s
Declination: -52d18m14.27s
Redshift: None
Photometric Redshift: 0.055
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.93
Transient MWEBV processed 0.07
Host match processed 3.99
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 1.28
Validate global photometry processed 2.05
Global host SED inference processed 413.65
Local aperture photometry processed 2.81
Validate local photometry processed 0.02
Local host SED inference processed 454.92
 

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) = 2h47m59.42s, -52d18m19.02s
semi major axis, semi minor axis (arcsec) = 1.88, 1.88
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 27.43 0.2 20.304 0.008 AB
DES_r 46.04 0.31 19.742 0.007 AB
DES_z 61.49 1.07 19.428 0.019 AB

Aperture details

RA, DEC (J2000) = 2h47m59.04s, -52d18m14.86s
semi major axis, semi minor axis (arcsec) = 15.99, 9.53
angle (degrees, anti-clockwise from east) = 30.72

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 105.76 7.43 18.839 0.076 AB
GALEX_NUV 166.48 5.47 18.347 0.036 AB
DES_g 1024.84 2.58 16.373 0.003 AB
DES_r 1770.84 3.65 15.780 0.002 AB
2MASS_H 3798.91 582.86 13.583 0.167 Vega
WISE_W1 1961.19 80.12 12.970 0.044 Vega
WISE_W2 1291.17 52.35 12.784 0.044 Vega
WISE_W3 6040.95 272.42 9.273 0.049 Vega
WISE_W4 3538.36 771.48 8.408 0.237 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})\, 8.589 8.779 8.947
{\rm log}_{10}({\rm SFR}) -1.595 -1.050 -0.570
{\rm log}_{10}({\rm sSFR}) -10.477 -9.829 -9.233
{\rm stellar\ age} 3.380 6.278 7.896

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.746 -1.237 -0.406
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.702 -1.009 0.199

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.265 0.635 1.049
\delta -0.558 -0.133 0.194
\tau_1/\tau_2 0.677 1.024 1.393
Q_{PAH} 0.706 2.561 5.230
U_{min} 3.061 8.338 15.658
{\rm log}_{10}(\gamma_e)\, -3.079 -1.834 -0.660

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.196 -1.049 -0.141
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.540 2.005

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.535 -1.074 -0.590
0.03-0.10 Gyr -1.872 -1.133 -0.541
0.10-0.33 Gyr -1.996 -1.162 -0.616
0.33-1.08 Gyr -1.954 -1.209 -0.714
1.08-3.56 Gyr -1.795 -1.202 -0.925
3.56-11.72 Gyr -1.899 -1.196 -0.936
11.72-13.03 Gyr -2.054 -1.217 -0.626

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.268 10.380 10.489
{\rm log}_{10}({\rm SFR}) 0.197 0.407 0.679
{\rm log}_{10}({\rm sSFR}) -10.219 -9.965 -9.685
{\rm stellar\ age} 5.372 6.744 8.196

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.804 -0.422 -0.118
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.808 0.058 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.182 0.315 0.507
\delta -0.470 -0.072 0.219
\tau_1/\tau_2 0.594 0.944 1.280
Q_{PAH} 1.009 2.062 3.625
U_{min} 2.471 7.066 13.881
{\rm log}_{10}(\gamma_e)\, -3.267 -2.356 -1.528

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.580 -2.207 -1.594
{\rm log}_{10}(\tau_{AGN})\, 0.904 1.312 1.796

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.038 0.393 0.626
0.03-0.10 Gyr 0.035 0.392 0.768
0.10-0.33 Gyr -0.095 0.328 0.634
0.33-1.08 Gyr -0.221 0.331 0.595
1.08-3.56 Gyr 0.048 0.441 0.648
3.56-11.72 Gyr 0.148 0.436 0.626
11.72-13.03 Gyr -0.120 0.485 1.038