2025akjs

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Information

Transient

Name: AT2025akjs
Right ascension: 21h14m22.97s
Declination: -3d20m07.50s
Discovery Date: Sept. 18, 2025, 7:23 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.054

Host

Name:
Right ascension: 21h14m22.80s
Declination: -3d20m08.96s
Redshift: None
Photometric Redshift: 0.086
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.42
Transient MWEBV processed 0.04
Host match processed 4.84
Host information processed 0.24
Host MWEBV processed 0.11
Global aperture construction processed 0.72
Global aperture photometry processed 5.05
Validate global photometry processed 16.44
Global host SED inference processed 586.15
Local aperture photometry processed 5.72
Validate local photometry processed 0.02
Local host SED inference processed 406.7
 

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) = 21h14m22.97s, -3d20m07.50s
semi major axis, semi minor axis (arcsec) = 1.24, 1.24
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 13.06 0.38 21.110 0.031 AB
PanSTARRS_i 17.03 0.39 20.822 0.025 AB
PanSTARRS_z 15.81 1.02 20.903 0.070 AB
PanSTARRS_y 18.62 1.85 20.725 0.108 AB

Aperture details

RA, DEC (J2000) = 21h14m22.80s, -3d20m08.67s
semi major axis, semi minor axis (arcsec) = 9.32, 5.22
angle (degrees, anti-clockwise from east) = -143.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 30.2 2.86 20.200 0.103 AB
SDSS_u 70.04 6.81 19.287 0.106 AB
SDSS_g 127.68 3.53 18.635 0.030 AB
PanSTARRS_g 127.44 1.4 18.637 0.012 AB
SDSS_r 188.19 4.81 18.213 0.028 AB
PanSTARRS_r 172.13 2.09 18.310 0.013 AB
SDSS_i 221.93 6.17 18.034 0.030 AB
PanSTARRS_i 213.03 2.17 18.079 0.011 AB
PanSTARRS_z 212.48 5.69 18.082 0.029 AB
SDSS_z 255.37 25.87 17.882 0.110 AB
PanSTARRS_y 211.16 10.31 18.088 0.053 AB
2MASS_J 424.48 189.38 16.435 0.484 Vega
2MASS_H 29.79 330.81 18.847 12.059 Vega
2MASS_K 133.0 339.19 16.753 2.769 Vega
WISE_W1 104.82 13.64 16.150 0.141 Vega
WISE_W2 49.84 17.71 16.317 0.386 Vega
WISE_W3 68.58 85.56 14.135 1.355 Vega
WISE_W4 -344.07 518.9 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})\, 8.356 8.634 8.810
{\rm log}_{10}({\rm SFR}) -1.616 -1.111 -0.420
{\rm log}_{10}({\rm sSFR}) -10.294 -9.765 -8.995
{\rm stellar\ age} 2.466 6.196 7.995

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.631 -1.075 -0.459
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.418 -0.695 0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.216 0.494 0.877
\delta -0.550 -0.184 0.188
\tau_1/\tau_2 0.708 1.093 1.472
Q_{PAH} 1.093 2.651 5.029
U_{min} 2.869 8.169 15.136
{\rm log}_{10}(\gamma_e)\, -2.821 -1.745 -0.648

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.610 -0.248 0.126
{\rm log}_{10}(\tau_{AGN})\, 1.165 1.543 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.566 -1.180 -0.814
0.03-0.10 Gyr -1.836 -1.117 -0.313
0.10-0.33 Gyr -2.413 -1.429 -0.754
0.33-1.07 Gyr -2.852 -1.533 -0.929
1.07-3.48 Gyr -2.846 -1.431 -1.086
3.48-11.36 Gyr -2.582 -1.352 -1.040
11.36-12.63 Gyr -2.461 -1.328 -0.681

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.477 9.642 9.767
{\rm log}_{10}({\rm SFR}) -0.023 0.325 0.650
{\rm log}_{10}({\rm sSFR}) -9.715 -9.316 -8.940
{\rm stellar\ age} 5.059 6.390 7.801

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.665 -1.315 -0.922
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.215 0.169 0.400

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.098 0.185 0.315
\delta -0.801 -0.467 0.010
\tau_1/\tau_2 0.621 1.085 1.513
Q_{PAH} 0.991 2.682 4.757
U_{min} 2.579 7.574 14.843
{\rm log}_{10}(\gamma_e)\, -3.064 -2.023 -0.819

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.691 -2.093 -1.271
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.465 1.875

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.927 -0.569 -0.322
0.03-0.10 Gyr 0.104 0.473 0.803
0.10-0.33 Gyr -0.959 -0.010 0.339
0.33-1.07 Gyr -1.584 -0.499 -0.145
1.07-3.48 Gyr -1.214 -0.459 -0.166
3.48-11.36 Gyr -0.756 -0.310 -0.094
11.36-12.63 Gyr -0.866 -0.237 0.322