2025akje

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Information

Transient

Name: AT2025akje
Right ascension: 0h54m49.70s
Declination: -7d23m25.60s
Discovery Date: Dec. 14, 2025, 5:14 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.077

Host

Name:
Right ascension: 0h54m49.60s
Declination: -7d23m27.19s
Redshift: None
Photometric Redshift: 0.073
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.22
Transient MWEBV processed 0.04
Host match processed 5.36
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 2.72
Global aperture photometry processed 47.52
Validate global photometry processed 17.03
Global host SED inference processed 441.98
Local aperture photometry processed 5.48
Validate local photometry processed 0.03
Local host SED inference processed 415.78
 

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) = 0h54m49.70s, -7d23m25.60s
semi major axis, semi minor axis (arcsec) = 1.44, 1.44
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 7.59 0.83 21.700 0.119 AB
PanSTARRS_g 6.09 0.4 21.939 0.071 AB
SDSS_r 10.9 1.13 21.307 0.113 AB
PanSTARRS_r 7.52 0.3 21.709 0.043 AB
DES_r 10.98 0.28 21.298 0.028 AB
SDSS_i 14.8 1.59 20.974 0.117 AB
PanSTARRS_i 12.36 0.43 21.170 0.038 AB
PanSTARRS_z 11.43 0.83 21.255 0.078 AB
SDSS_z 10.89 5.91 21.307 0.590 AB
PanSTARRS_y 7.81 2.84 21.669 0.395 AB

Aperture details

RA, DEC (J2000) = 0h54m49.57s, -7d23m26.81s
semi major axis, semi minor axis (arcsec) = 7.01, 5.17
angle (degrees, anti-clockwise from east) = -178.46

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.87 2.6 21.310 0.260 AB
GALEX_NUV 9.61 1.91 21.443 0.216 AB
SDSS_u 12.84 6.72 21.129 0.569 AB
SDSS_g 46.12 2.62 19.740 0.062 AB
PanSTARRS_g 51.82 1.64 19.614 0.034 AB
SDSS_r 62.58 3.87 19.409 0.067 AB
PanSTARRS_r 58.23 1.22 19.487 0.023 AB
DES_r 78.45 0.9 19.164 0.012 AB
SDSS_i 96.59 5.91 18.938 0.066 AB
PanSTARRS_i 95.8 1.78 18.947 0.020 AB
PanSTARRS_z 91.39 3.41 18.998 0.040 AB
SDSS_z 84.25 24.56 19.086 0.317 AB
PanSTARRS_y 122.38 11.74 18.681 0.104 AB
2MASS_J -48.76 149.95 Vega
2MASS_H 154.17 246.65 17.062 1.737 Vega
2MASS_K 447.45 279.73 15.435 0.679 Vega
WISE_W1 32.9 11.55 17.408 0.381 Vega
WISE_W2 46.33 15.52 16.396 0.364 Vega
WISE_W3 -15.2 82.08 Vega
WISE_W4 129.6 418.81 11.999 3.509 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})\, 7.984 8.265 8.434
{\rm log}_{10}({\rm SFR}) -1.589 -1.167 -0.645
{\rm log}_{10}({\rm sSFR}) -9.911 -9.435 -8.713
{\rm stellar\ age} 1.497 4.702 6.593

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.590 -0.870 -0.098
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.523 -0.264 0.208

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.326 0.637 1.145
\delta -0.539 -0.087 0.194
\tau_1/\tau_2 0.647 0.997 1.364
Q_{PAH} 0.732 2.566 5.173
U_{min} 2.845 7.597 14.684
{\rm log}_{10}(\gamma_e)\, -2.777 -1.638 -0.548

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.879 -0.333 0.109
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.422 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.493 -1.139 -0.753
0.03-0.10 Gyr -1.814 -1.238 -0.601
0.10-0.33 Gyr -1.907 -1.278 -0.764
0.33-1.07 Gyr -2.130 -1.404 -1.012
1.07-3.51 Gyr -2.733 -1.672 -1.343
3.51-11.51 Gyr -3.143 -1.875 -1.494
11.51-12.79 Gyr -3.236 -1.935 -1.351

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.930 9.178 9.340
{\rm log}_{10}({\rm SFR}) -0.524 -0.107 0.311
{\rm log}_{10}({\rm sSFR}) -9.775 -9.309 -8.700
{\rm stellar\ age} 3.074 6.037 7.581

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.511 -0.698 -0.104
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.547 -0.157 0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.215 0.612 1.077
\delta 0.055 0.274 0.369
\tau_1/\tau_2 0.722 1.146 1.545
Q_{PAH} 0.571 2.185 4.242
U_{min} 2.744 7.561 14.595
{\rm log}_{10}(\gamma_e)\, -3.149 -1.936 -0.768

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.932 -1.942 -0.671
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.412 1.839

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.472 -0.197 0.123
0.03-0.10 Gyr -0.586 -0.080 0.382
0.10-0.33 Gyr -0.950 -0.468 -0.004
0.33-1.07 Gyr -1.319 -0.825 -0.478
1.07-3.51 Gyr -1.454 -0.864 -0.580
3.51-11.51 Gyr -1.479 -0.800 -0.542
11.51-12.79 Gyr -1.608 -0.774 -0.233