2025gqn

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Information

Transient

Name: AT2025gqn
Right ascension: 11h36m21.31s
Declination: 8d40m07.04s
Discovery Date: March 1, 2025, 9:32 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2025gqn
Right ascension: 11h36m21.21s
Declination: 8d40m07.03s
Redshift: None
Photometric Redshift: 0.188
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.68
Cutout download processed 19.61
Global aperture construction processed 0.63
Local aperture photometry processed 7.31
Global aperture photometry processed 7.75
Validate local photometry no valid phot 0.03
Validate global photometry processed 20.45
Host information processed 0.09
Global host SED inference processed 415.55
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.04
Log transient processing status blocked None
 

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) = 11h36m21.31s, 8d40m07.04s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 11h36m21.20s, 8d40m07.13s
semi major axis, semi minor axis (arcsec) = 5.25, 4.01
angle (degrees, anti-clockwise from east) = -48.68

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.27 3.95 20.871 0.264 AB
GALEX_NUV 12.33 2.47 21.172 0.218 AB
SDSS_u 40.03 3.43 19.894 0.093 AB
SDSS_g 85.72 2.96 19.067 0.037 AB
DES_g 89.43 0.59 19.021 0.007 AB
PanSTARRS_g 82.18 1.07 19.113 0.014 AB
SDSS_r 152.65 3.82 18.441 0.027 AB
PanSTARRS_r 146.08 1.28 18.489 0.010 AB
DES_r 159.4 1.17 18.394 0.008 AB
SDSS_i 208.34 4.98 18.103 0.026 AB
PanSTARRS_i 200.23 1.45 18.146 0.008 AB
PanSTARRS_z 234.13 2.69 17.976 0.012 AB
SDSS_z 258.1 10.9 17.871 0.046 AB
DES_z 239.34 4.23 17.952 0.019 AB
PanSTARRS_y 240.67 6.74 17.946 0.030 AB
2MASS_J 343.7 141.0 16.665 0.445 Vega
2MASS_H 555.41 182.9 15.671 0.358 Vega
2MASS_K 386.0 248.24 15.596 0.698 Vega
WISE_W1 150.39 9.23 15.758 0.067 Vega
WISE_W2 105.74 12.99 15.500 0.133 Vega
WISE_W3 371.55 68.86 12.301 0.201 Vega
WISE_W4 -310.5 439.58 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.385 10.473 10.582
{\rm log}_{10}({\rm SFR}) 0.026 0.428 0.888
{\rm log}_{10}({\rm sSFR}) -10.442 -10.036 -9.603
{\rm stellar\ age} 4.861 5.943 7.106

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.498 -1.137 -0.834
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.201 0.193 0.401

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.203 0.316 0.451
\delta -0.378 -0.023 0.213
\tau_1/\tau_2 0.495 0.873 1.242
Q_{PAH} 0.698 1.887 3.598
U_{min} 2.553 7.539 14.671
{\rm log}_{10}(\gamma_e)\, -2.911 -1.931 -0.889

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.195 -2.851 -1.784
{\rm log}_{10}(\tau_{AGN})\, 0.990 1.481 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.604 -0.061 0.173
0.03-0.10 Gyr 0.058 0.537 1.041
0.10-0.32 Gyr 0.100 0.632 0.929
0.32-1.01 Gyr -0.727 0.443 0.728
1.01-3.23 Gyr 0.002 0.580 0.814
3.23-10.29 Gyr 0.228 0.607 0.783
10.29-11.44 Gyr -0.050 0.603 1.205