2025aaaj

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Information

Transient

Name: AT2025aaaj
Right ascension: 16h53m57.89s
Declination: -9d42m13.22s
Discovery Date: Oct. 6, 2025, 2:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.583

Host

Name: PGC987574
Right ascension: 16h53m58.55s
Declination: -9d42m17.02s
Redshift: 0.022233
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.14
Transient MWEBV processed 0.09
Host match processed 4.25
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.26
Validate global photometry processed 14.86
Global host SED inference processed 774.56
Local aperture photometry processed 5.04
Validate local photometry processed 0.02
Local host SED inference processed 677.0
 

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) = 16h53m57.89s, -9d42m13.22s
semi major axis, semi minor axis (arcsec) = 4.45, 4.45
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 104.3 4.73 18.854 0.049 AB
SDSS_g 223.27 4.12 18.028 0.020 AB
PanSTARRS_g 215.66 1.17 18.066 0.006 AB
SDSS_r 399.44 5.62 17.396 0.015 AB
PanSTARRS_r 412.79 1.46 17.361 0.004 AB
SDSS_i 511.97 6.91 17.127 0.015 AB
PanSTARRS_i 524.66 1.29 17.100 0.003 AB
PanSTARRS_z 641.74 3.07 16.882 0.005 AB
SDSS_z 702.28 15.31 16.784 0.024 AB
PanSTARRS_y 942.47 8.6 16.464 0.010 AB
2MASS_J 1061.58 103.86 15.440 0.106 Vega
2MASS_H 1362.03 129.65 14.697 0.103 Vega
2MASS_K 1653.35 190.04 14.016 0.125 Vega

Aperture details

RA, DEC (J2000) = 16h53m58.33s, -9d42m15.31s
semi major axis, semi minor axis (arcsec) = 42.11, 6.11
angle (degrees, anti-clockwise from east) = -71.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 470.52 15.54 17.219 0.036 AB
SDSS_g 769.73 8.95 16.684 0.013 AB
PanSTARRS_g 790.63 4.15 16.655 0.006 AB
SDSS_r 1656.83 13.28 15.852 0.009 AB
PanSTARRS_r 1666.77 5.13 15.845 0.003 AB
SDSS_i 2444.73 18.46 15.429 0.008 AB
PanSTARRS_i 2472.86 4.53 15.417 0.002 AB
PanSTARRS_z 3162.38 10.9 15.150 0.004 AB
SDSS_z 3447.84 51.86 15.056 0.016 AB
PanSTARRS_y 4377.58 30.42 14.797 0.008 AB
2MASS_J 5291.34 388.97 13.696 0.080 Vega
2MASS_H 8467.97 484.44 12.713 0.062 Vega
2MASS_K 7784.78 712.99 12.334 0.099 Vega
WISE_W1 5103.18 72.74 11.931 0.015 Vega
WISE_W2 3785.78 88.88 11.616 0.025 Vega
WISE_W3 17877.23 266.88 8.095 0.016 Vega
WISE_W4 63661.52 2587.01 5.270 0.044 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})\, 8.618 8.887 9.069
{\rm log}_{10}({\rm SFR}) 0.511 0.782 1.011
{\rm log}_{10}({\rm sSFR}) -8.399 -7.936 -7.912
{\rm stellar\ age} 0.064 0.183 4.954

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.798 -1.518 -1.096
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.255 -0.065 0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.234 0.500 0.745
\delta -0.403 -0.094 0.092
\tau_1/\tau_2 0.524 1.103 1.659
Q_{PAH} 0.561 1.711 3.339
U_{min} 3.907 10.367 18.473
{\rm log}_{10}(\gamma_e)\, -3.633 -2.564 -1.472

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.625 -3.902 -0.995
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.713 2.004

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.557 -0.309 -0.080
0.03-0.10 Gyr 0.658 0.935 1.165
0.10-0.33 Gyr -3.323 -2.034 -0.493
0.33-1.10 Gyr -6.320 -3.821 -1.225
1.10-3.65 Gyr -7.610 -4.222 -1.311
3.65-12.11 Gyr -8.505 -4.386 -1.349
12.11-13.46 Gyr -8.924 -4.067 -0.926

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.140 9.344 9.598
{\rm log}_{10}({\rm SFR}) 0.679 0.919 1.126
{\rm log}_{10}({\rm sSFR}) -8.898 -8.439 -7.994
{\rm stellar\ age} 0.191 1.991 5.145

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.084 0.058 0.149
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.165 0.316 0.429

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.109 0.186 0.269
\delta -0.788 -0.342 0.211
\tau_1/\tau_2 0.467 0.977 1.496
Q_{PAH} 0.307 0.697 1.462
U_{min} 4.103 10.243 17.006
{\rm log}_{10}(\gamma_e)\, -2.724 -1.952 -1.505

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.113 -1.909 -1.725
{\rm log}_{10}(\tau_{AGN})\, 0.744 0.880 1.208

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.031 0.304 0.471
0.03-0.10 Gyr 0.782 1.047 1.272
0.10-0.33 Gyr -1.069 0.362 0.798
0.33-1.10 Gyr -3.244 -1.085 -0.114
1.10-3.65 Gyr -3.128 -1.004 -0.311
3.65-12.11 Gyr -4.190 -1.416 -0.548
12.11-13.46 Gyr -4.315 -1.491 -0.449