2025ssq

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Information

Transient

Name: AT2025ssq
Right ascension: 23h14m33.72s
Declination: -25d04m12.10s
Discovery Date: July 26, 2025, 1:18 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name: 782981
Right ascension: 23h14m34.08s
Declination: -25d04m15.92s
Redshift: None
Photometric Redshift: 0.052
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.52
Transient MWEBV processed 0.04
Host match processed 4.03
Host information processed 0.15
Host MWEBV processed 0.09
Global aperture construction processed 0.7
Global aperture photometry processed 3.77
Validate global photometry processed 10.8
Global host SED inference processed 410.7
Local aperture photometry processed 4.15
Validate local photometry processed 0.02
Local host SED inference processed 479.85
 

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) = 23h14m33.72s, -25d04m12.10s
semi major axis, semi minor axis (arcsec) = 1.96, 1.96
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 12.58 0.52 21.151 0.045 AB
PanSTARRS_r 18.95 0.73 20.706 0.042 AB
PanSTARRS_i 21.07 0.71 20.591 0.037 AB
PanSTARRS_z 23.92 1.83 20.453 0.083 AB
PanSTARRS_y 15.21 3.7 20.944 0.264 AB

Aperture details

RA, DEC (J2000) = 23h14m34.16s, -25d04m16.64s
semi major axis, semi minor axis (arcsec) = 11.29, 4.18
angle (degrees, anti-clockwise from east) = -48.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.19 4.69 19.917 0.130 AB
GALEX_NUV 49.5 3.17 19.663 0.069 AB
PanSTARRS_g 254.96 1.83 17.884 0.008 AB
PanSTARRS_r 389.16 2.58 17.425 0.007 AB
PanSTARRS_i 478.12 2.49 17.201 0.006 AB
PanSTARRS_z 515.71 6.37 17.119 0.013 AB
PanSTARRS_y 572.58 12.83 17.005 0.024 AB
2MASS_J 852.99 148.73 15.678 0.189 Vega
2MASS_H 632.95 234.4 15.529 0.402 Vega
2MASS_K 368.27 269.97 15.647 0.796 Vega
WISE_W1 280.23 15.33 15.082 0.059 Vega
WISE_W2 137.21 19.35 15.217 0.153 Vega
WISE_W3 332.45 87.39 12.422 0.285 Vega
WISE_W4 415.18 470.17 10.734 1.230 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})\, 8.051 8.258 8.391
{\rm log}_{10}({\rm SFR}) -2.262 -1.606 -0.892
{\rm log}_{10}({\rm sSFR}) -10.503 -9.846 -8.997
{\rm stellar\ age} 2.332 5.831 7.446

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.699 -1.269 -0.691
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.848 -1.567 -0.582

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.185 0.438 0.908
\delta -0.651 -0.243 0.211
\tau_1/\tau_2 0.668 1.062 1.466
Q_{PAH} 1.162 2.961 5.372
U_{min} 3.017 8.526 15.499
{\rm log}_{10}(\gamma_e)\, -2.931 -1.874 -0.787

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.395 -0.283 0.115
{\rm log}_{10}(\tau_{AGN})\, 1.129 1.524 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.743 -1.804 -1.280
0.03-0.10 Gyr -2.377 -1.584 -0.793
0.10-0.33 Gyr -2.346 -1.575 -0.959
0.33-1.08 Gyr -2.493 -1.673 -1.210
1.08-3.57 Gyr -2.652 -1.689 -1.428
3.57-11.75 Gyr -2.855 -1.764 -1.491
11.75-13.06 Gyr -3.002 -1.844 -1.242

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.676 9.745 9.851
{\rm log}_{10}({\rm SFR}) -0.612 -0.347 -0.065
{\rm log}_{10}({\rm sSFR}) -10.356 -10.087 -9.808
{\rm stellar\ age} 7.342 8.173 10.941

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.203 -0.915 -0.743
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.266 0.207 0.416

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.044 0.095 0.192
\delta -0.602 -0.124 0.207
\tau_1/\tau_2 0.611 0.993 1.387
Q_{PAH} 0.634 1.822 3.799
U_{min} 2.841 8.014 15.361
{\rm log}_{10}(\gamma_e)\, -2.782 -1.845 -0.819

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.317 -3.321 -2.337
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.532 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.333 -0.823 -0.569
0.03-0.10 Gyr -0.587 -0.236 0.088
0.10-0.33 Gyr -1.305 -0.605 -0.275
0.33-1.08 Gyr -1.637 -0.848 -0.526
1.08-3.57 Gyr -1.710 -0.782 -0.405
3.57-11.75 Gyr -0.585 -0.146 -0.021
11.75-13.06 Gyr -0.342 0.182 0.858