2025sqt

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Information

Transient

Name: AT2025sqt
Right ascension: 23h39m30.20s
Declination: 24d30m26.14s
Discovery Date: July 30, 2025, 8:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 23h39m31.05s
Declination: 24d30m29.91s
Redshift: None
Photometric Redshift: 0.054
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.09
Cutout download processed 28.22
Global aperture construction processed 0.68
Local aperture photometry processed 8.0
Global aperture photometry processed 6.91
Validate local photometry processed 0.03
Validate global photometry processed 18.44
Host information processed 0.15
Global host SED inference processed 432.64
Local host SED inference processed 459.6
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 23h39m30.20s, 24d30m26.14s
semi major axis, semi minor axis (arcsec) = 1.92, 1.92
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 4.25 1.39 22.328 0.355 AB
SDSS_g 3.72 0.67 22.473 0.196 AB
DES_g 5.54 0.13 22.041 0.026 AB
PanSTARRS_g 5.07 0.46 22.138 0.098 AB
SDSS_r 5.62 0.97 22.025 0.188 AB
PanSTARRS_r 6.0 0.67 21.954 0.122 AB
DES_r 7.29 0.3 21.744 0.044 AB
SDSS_i 9.22 1.57 21.488 0.185 AB
PanSTARRS_i 8.94 0.69 21.522 0.083 AB
PanSTARRS_z 11.6 1.35 21.239 0.127 AB
SDSS_z 2.31 5.06 22.991 2.381 AB
DES_z 8.55 0.71 21.571 0.091 AB
PanSTARRS_y 2.41 2.99 22.945 1.347 AB

Aperture details

RA, DEC (J2000) = 23h39m31.06s, 24d30m30.56s
semi major axis, semi minor axis (arcsec) = 15.73, 12.24
angle (degrees, anti-clockwise from east) = -133.2

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 117.83 7.12 18.722 0.066 AB
GALEX_NUV 170.98 5.3 18.318 0.034 AB
SDSS_u 402.64 10.73 17.388 0.029 AB
SDSS_g 875.17 8.32 16.545 0.010 AB
DES_g 923.51 1.46 16.486 0.002 AB
PanSTARRS_g 893.99 3.47 16.522 0.004 AB
SDSS_r 1297.39 10.81 16.117 0.009 AB
PanSTARRS_r 1265.59 5.01 16.144 0.004 AB
DES_r 1469.05 3.33 15.982 0.002 AB
SDSS_i 1748.25 14.53 15.793 0.009 AB
PanSTARRS_i 1757.45 5.12 15.788 0.003 AB
PanSTARRS_z 1772.12 9.95 15.779 0.006 AB
SDSS_z 1760.01 37.76 15.786 0.023 AB
DES_z 1968.84 8.73 15.664 0.005 AB
PanSTARRS_y 1964.0 22.0 15.667 0.012 AB
2MASS_J 2117.98 336.32 14.690 0.172 Vega
2MASS_H 3028.74 528.29 13.829 0.189 Vega
2MASS_K 2453.69 516.95 13.588 0.229 Vega
WISE_W2 810.49 34.88 13.289 0.047 Vega
WISE_W3 4727.06 146.21 9.540 0.034 Vega
WISE_W4 4881.42 932.75 8.059 0.207 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.451 7.773 7.956
{\rm log}_{10}({\rm SFR}) -1.927 -1.143 -0.413
{\rm log}_{10}({\rm sSFR}) -9.790 -8.964 -7.933
{\rm stellar\ age} 0.110 3.809 6.776

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.570 -0.886 -0.236
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.567 -0.973 -0.202

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.323 0.824 1.528
\delta -0.211 0.101 0.305
\tau_1/\tau_2 0.670 1.077 1.491
Q_{PAH} 1.074 2.810 5.313
U_{min} 3.105 8.792 17.613
{\rm log}_{10}(\gamma_e)\, -2.889 -1.902 -0.918

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.703 -0.551 0.151
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.467 1.883

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.592 -1.757 -1.213
0.03-0.10 Gyr -1.962 -1.065 -0.260
0.10-0.33 Gyr -3.765 -1.947 -1.224
0.33-1.08 Gyr -5.350 -2.340 -1.716
1.08-3.57 Gyr -6.119 -2.591 -1.981
3.57-11.74 Gyr -6.448 -2.642 -2.025
11.74-13.04 Gyr -6.291 -2.655 -1.883

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.885 10.045 10.174
{\rm log}_{10}({\rm SFR}) 0.744 0.934 1.197
{\rm log}_{10}({\rm sSFR}) -9.369 -9.106 -8.748
{\rm stellar\ age} 4.536 6.543 8.042

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.767 -0.495 -0.320
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.655 0.239 0.413

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.347 0.612
\delta -0.685 -0.304 -0.058
\tau_1/\tau_2 0.503 0.850 1.243
Q_{PAH} 0.678 1.430 2.437
U_{min} 2.545 6.853 13.540
{\rm log}_{10}(\gamma_e)\, -3.569 -2.931 -2.075

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.309 -3.340 -2.188
{\rm log}_{10}(\tau_{AGN})\, 1.017 1.470 1.888

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.215 0.353 0.538
0.03-0.10 Gyr 0.858 1.062 1.335
0.10-0.33 Gyr -0.735 0.106 0.657
0.33-1.08 Gyr -0.908 -0.130 0.233
1.08-3.57 Gyr -0.591 -0.002 0.270
3.57-11.74 Gyr -0.431 0.060 0.285
11.74-13.04 Gyr -0.477 0.160 0.731