2025affq

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Information

Transient

Name: AT2025affq
Right ascension: 23h30m34.41s
Declination: 16d38m55.55s
Discovery Date: Nov. 25, 2025, 8:06 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 23h30m34.23s
Declination: 16d38m55.09s
Redshift: None
Photometric Redshift: 0.039
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.64
Transient MWEBV processed 0.09
Host match processed 5.4
Host information processed 0.11
Host MWEBV processed 0.11
Global aperture construction processed 0.64
Global aperture photometry processed 6.48
Validate global photometry processed 17.87
Global host SED inference processed 420.55
Local aperture photometry processed 6.34
Validate local photometry processed 0.03
Local host SED inference processed 410.6
 

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) = 23h30m34.41s, 16d38m55.55s
semi major axis, semi minor axis (arcsec) = 2.59, 2.59
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 14.3 2.33 21.011 0.177 AB
SDSS_g 48.64 1.94 19.682 0.043 AB
DES_g 46.63 0.28 19.728 0.007 AB
PanSTARRS_g 43.69 0.61 19.799 0.015 AB
SDSS_r 64.09 2.39 19.383 0.041 AB
PanSTARRS_r 59.91 1.01 19.456 0.018 AB
DES_r 68.32 0.8 19.314 0.013 AB
SDSS_i 79.31 3.1 19.152 0.043 AB
PanSTARRS_i 63.73 1.11 19.389 0.019 AB
PanSTARRS_z 78.21 1.86 19.167 0.026 AB
SDSS_z 91.23 9.0 19.000 0.107 AB
DES_z 84.43 1.43 19.084 0.018 AB
PanSTARRS_y 73.75 3.94 19.231 0.058 AB

Aperture details

RA, DEC (J2000) = 23h30m34.20s, 16d38m55.29s
semi major axis, semi minor axis (arcsec) = 10.19, 4.08
angle (degrees, anti-clockwise from east) = -92.16

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.55 3.43 20.425 0.152 AB
SDSS_u 34.27 5.62 20.063 0.178 AB
SDSS_g 148.15 3.65 18.473 0.027 AB
DES_g 146.12 0.54 18.488 0.004 AB
PanSTARRS_g 142.67 1.52 18.514 0.012 AB
SDSS_r 196.54 4.72 18.166 0.026 AB
PanSTARRS_r 200.16 2.49 18.147 0.014 AB
DES_r 213.85 1.5 18.075 0.008 AB
SDSS_i 235.64 6.58 17.969 0.030 AB
PanSTARRS_i 198.01 2.71 18.158 0.015 AB
PanSTARRS_z 260.92 4.55 17.859 0.019 AB
SDSS_z 253.16 22.0 17.892 0.094 AB
DES_z 272.1 2.7 17.813 0.011 AB
PanSTARRS_y 235.22 9.67 17.971 0.045 AB
2MASS_J -17.95 164.36 Vega
2MASS_H 262.24 233.25 16.486 0.966 Vega
2MASS_K 87.06 334.6 17.213 4.173 Vega
WISE_W2 91.53 22.14 15.657 0.263 Vega
WISE_W3 129.77 86.81 13.443 0.726 Vega
WISE_W4 -421.85 441.36 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})\, 8.223 8.407 8.554
{\rm log}_{10}({\rm SFR}) -1.585 -1.154 -0.758
{\rm log}_{10}({\rm sSFR}) -10.089 -9.589 -9.075
{\rm stellar\ age} 2.783 5.365 6.898

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.201 -0.686 -0.244
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -1.548 -1.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.148 0.316 0.610
\delta -0.755 -0.345 0.038
\tau_1/\tau_2 0.668 1.005 1.358
Q_{PAH} 1.011 2.883 5.322
U_{min} 2.985 8.057 15.001
{\rm log}_{10}(\gamma_e)\, -2.957 -1.722 -0.432

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.512 -1.280 -0.306
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.544 1.995

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.395 -1.143 -0.950
0.03-0.10 Gyr -1.791 -1.158 -0.687
0.10-0.33 Gyr -1.810 -1.185 -0.775
0.33-1.09 Gyr -1.794 -1.270 -0.989
1.09-3.61 Gyr -1.940 -1.468 -1.211
3.61-11.91 Gyr -2.351 -1.661 -1.360
11.91-13.23 Gyr -2.583 -1.746 -1.229

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.959 9.080 9.194
{\rm log}_{10}({\rm SFR}) -1.286 -1.030 -0.732
{\rm log}_{10}({\rm sSFR}) -10.379 -10.109 -9.792
{\rm stellar\ age} 4.953 6.974 8.342

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.035 -0.734 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.642 -1.500 -1.369

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.204 0.404
\delta -0.531 -0.021 0.274
\tau_1/\tau_2 0.414 0.800 1.236
Q_{PAH} 2.406 4.244 5.810
U_{min} 3.142 7.908 14.292
{\rm log}_{10}(\gamma_e)\, -2.866 -1.798 -0.824

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.269 -3.050 -1.917
{\rm log}_{10}(\tau_{AGN})\, 0.957 1.464 1.912

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.874 -0.708 -0.540
0.03-0.10 Gyr -2.203 -1.348 -0.816
0.10-0.33 Gyr -2.046 -1.308 -0.866
0.33-1.09 Gyr -1.611 -1.044 -0.619
1.09-3.61 Gyr -1.308 -0.877 -0.607
3.61-11.91 Gyr -1.266 -0.859 -0.662
11.91-13.23 Gyr -1.402 -0.791 -0.288