2025affj

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Information

Transient

Name: AT2025affj
Right ascension: 13h51m32.91s
Declination: 43d49m05.76s
Discovery Date: Nov. 25, 2025, 12:17 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: SDSSJ135133.74+43491
Right ascension: 13h51m33.84s
Declination: 43d49m10.49s
Redshift: None
Photometric Redshift: 0.033
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.14
Transient MWEBV processed 0.04
Host match processed 4.11
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.17
Validate global photometry processed 15.01
Global host SED inference processed 702.42
Local aperture photometry processed 5.26
Validate local photometry processed 0.02
Local host SED inference processed 682.79
 

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) = 13h51m32.91s, 43d49m05.76s
semi major axis, semi minor axis (arcsec) = 3.01, 3.01
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 8.43 2.46 21.586 0.317 AB
SDSS_g 2.43 0.97 22.935 0.432 AB
PanSTARRS_g 2.66 0.84 22.838 0.345 AB
SDSS_r 1.96 1.39 23.171 0.770 AB
PanSTARRS_r 3.42 0.78 22.566 0.247 AB
SDSS_i 6.03 2.18 21.950 0.393 AB
PanSTARRS_i 6.8 0.89 21.818 0.143 AB
PanSTARRS_z 2.46 1.52 22.921 0.671 AB
SDSS_z -18.48 7.21 AB
PanSTARRS_y -6.77 4.78 AB
2MASS_J -10.21 66.96 Vega
2MASS_H 24.78 115.3 19.047 5.051 Vega
2MASS_K 62.93 107.22 17.565 1.850 Vega

Aperture details

RA, DEC (J2000) = 13h51m33.73s, 43d49m10.61s
semi major axis, semi minor axis (arcsec) = 5.51, 4.14
angle (degrees, anti-clockwise from east) = -10.21

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.07 3.06 21.506 0.367 AB
GALEX_NUV 23.96 3.11 20.451 0.141 AB
SDSS_u 48.39 4.12 19.688 0.092 AB
SDSS_g 93.71 2.78 18.970 0.032 AB
PanSTARRS_g 94.97 1.35 18.956 0.015 AB
SDSS_r 133.14 3.54 18.589 0.029 AB
PanSTARRS_r 143.46 1.25 18.508 0.009 AB
SDSS_i 183.17 4.7 18.243 0.028 AB
PanSTARRS_i 177.97 1.4 18.274 0.009 AB
PanSTARRS_z 193.34 2.41 18.184 0.014 AB
SDSS_z 145.74 11.73 18.491 0.087 AB
PanSTARRS_y 192.67 7.39 18.188 0.042 AB
2MASS_J 2.27 121.43 22.114 58.001 Vega
2MASS_H 305.99 207.05 16.318 0.735 Vega
2MASS_K -6.59 194.36 Vega
WISE_W1 67.38 9.09 16.630 0.146 Vega
WISE_W2 46.27 11.27 16.398 0.264 Vega
WISE_W3 2.67 36.7 17.661 14.936 Vega
WISE_W4 130.44 223.05 11.992 1.857 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})\, 6.685 7.179 7.503
{\rm log}_{10}({\rm SFR}) -1.941 -1.360 -0.841
{\rm log}_{10}({\rm sSFR}) -9.192 -8.337 -7.945
{\rm stellar\ age} 0.067 2.447 6.936

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.696 -1.123 -0.220
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.518 -0.662 0.216

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.832 1.566 2.225
\delta 0.143 0.305 0.372
\tau_1/\tau_2 0.764 1.282 1.737
Q_{PAH} 0.830 2.702 5.327
U_{min} 3.410 9.827 17.310
{\rm log}_{10}(\gamma_e)\, -3.115 -1.976 -0.745

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.601 -0.756 0.149
{\rm log}_{10}(\tau_{AGN})\, 0.959 1.487 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.072 -1.402 -0.754
0.03-0.10 Gyr -2.742 -1.665 -0.838
0.10-0.33 Gyr -4.875 -2.819 -1.888
0.33-1.09 Gyr -6.451 -3.474 -2.460
1.09-3.62 Gyr -7.369 -3.777 -2.597
3.62-11.98 Gyr -7.797 -3.773 -2.578
11.98-13.31 Gyr -7.945 -3.725 -2.359

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.876 8.972 9.090
{\rm log}_{10}({\rm SFR}) -1.038 -0.699 -0.335
{\rm log}_{10}({\rm sSFR}) -10.015 -9.651 -9.293
{\rm stellar\ age} 7.413 8.793 12.224

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.755 -1.491 -1.155
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.142 0.194 0.437

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.162 0.283 0.424
\delta -0.491 -0.134 0.162
\tau_1/\tau_2 0.494 0.934 1.412
Q_{PAH} 0.605 1.706 3.607
U_{min} 3.499 9.711 17.882
{\rm log}_{10}(\gamma_e)\, -2.753 -1.703 -0.879

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.977 -2.588 -1.742
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.544 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.164 -2.554 -1.614
0.03-0.10 Gyr -0.897 -0.541 -0.176
0.10-0.33 Gyr -3.869 -1.786 -0.966
0.33-1.09 Gyr -5.311 -2.316 -1.423
1.09-3.62 Gyr -4.662 -2.170 -1.304
3.62-11.98 Gyr -2.521 -1.034 -0.819
11.98-13.31 Gyr -1.421 -0.428 0.185