2025qat

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Information

Transient

Name: AT2025qat
Right ascension: 16h18m32.95s
Declination: -16d36m09.72s
Discovery Date: June 30, 2025, 6:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.187

Host

Name: 16183415-1636132
Right ascension: 16h18m34.16s
Declination: -16d36m13.26s
Redshift: 0.062513
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 8.6
Transient MWEBV processed 0.08
Host match processed 4.81
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.67
Global aperture photometry processed 3.72
Validate global photometry processed 10.7
Global host SED inference processed 565.69
Local aperture photometry processed 4.21
Validate local photometry processed 0.02
Local host SED inference processed 639.94
 

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) = 16h18m32.95s, -16d36m09.72s
semi major axis, semi minor axis (arcsec) = 1.66, 1.66
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 -0.66 0.53 AB
PanSTARRS_r 0.7 0.54 24.294 0.849 AB
PanSTARRS_i 2.06 0.55 23.114 0.291 AB
PanSTARRS_z 4.88 1.48 22.178 0.328 AB
PanSTARRS_y -9.75 5.01 AB

Aperture details

RA, DEC (J2000) = 16h18m34.14s, -16d36m13.22s
semi major axis, semi minor axis (arcsec) = 7.88, 7.06
angle (degrees, anti-clockwise from east) = -88.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV -0.14 2.47 AB
PanSTARRS_g 457.28 2.43 17.250 0.006 AB
PanSTARRS_r 1039.91 2.55 16.358 0.003 AB
PanSTARRS_i 1604.1 2.55 15.887 0.002 AB
PanSTARRS_z 2078.95 7.06 15.605 0.004 AB
PanSTARRS_y 2391.3 24.15 15.453 0.011 AB
2MASS_J 3148.05 205.85 14.260 0.071 Vega
2MASS_H 4416.9 295.54 13.420 0.073 Vega
2MASS_K 3787.79 372.38 13.116 0.107 Vega
WISE_W1 1390.51 29.03 13.343 0.023 Vega
WISE_W2 769.15 31.93 13.346 0.045 Vega
WISE_W3 268.74 97.29 12.653 0.393 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})\, 7.069 7.751 8.213
{\rm log}_{10}({\rm SFR}) -1.531 -1.123 -0.783
{\rm log}_{10}({\rm sSFR}) -9.516 -8.889 -7.975
{\rm stellar\ age} 0.145 5.060 7.621

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.843 -0.158 0.104
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.691 -1.232 -0.487

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.125 1.692 2.231
\delta -0.069 0.153 0.309
\tau_1/\tau_2 0.577 0.963 1.408
Q_{PAH} 0.742 2.954 5.569
U_{min} 3.166 8.564 16.724
{\rm log}_{10}(\gamma_e)\, -3.009 -1.937 -0.815

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.036 -0.859 0.064
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.485 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.266 -0.812 -0.393
0.03-0.10 Gyr -3.767 -1.978 -1.090
0.10-0.33 Gyr -5.492 -2.549 -1.515
0.33-1.08 Gyr -6.562 -2.801 -1.821
1.08-3.54 Gyr -6.170 -2.665 -1.832
3.54-11.63 Gyr -6.181 -2.537 -1.766
11.63-12.93 Gyr -6.207 -2.538 -1.489

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.678 10.785 10.859
{\rm log}_{10}({\rm SFR}) -6.282 -2.654 -0.952
{\rm log}_{10}({\rm sSFR}) -17.064 -13.523 -11.673
{\rm stellar\ age} 7.579 10.819 12.271

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.703 -1.368 -1.076
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.524 -0.695 0.122

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.221 0.371 0.493
\delta -0.867 -0.607 -0.349
\tau_1/\tau_2 0.486 0.971 1.448
Q_{PAH} 0.567 2.105 4.336
U_{min} 3.259 10.496 18.570
{\rm log}_{10}(\gamma_e)\, -3.218 -1.682 -0.820

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.503 -3.623 -2.676
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.560 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.788 -3.774 -1.368
0.03-0.10 Gyr -6.754 -3.099 -0.904
0.10-0.33 Gyr -6.762 -3.370 -0.947
0.33-1.08 Gyr -6.353 -3.265 -0.722
1.08-3.54 Gyr -4.223 -2.063 0.186
3.54-11.63 Gyr -1.937 0.420 1.016
11.63-12.93 Gyr -0.701 1.794 2.001