2025guw

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Information

Transient

Name: AT2025guw
Right ascension: 8h41m00.05s
Declination: 46d55m32.96s
Discovery Date: March 20, 2025, 7:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: 2025guw
Right ascension: 8h40m59.92s
Declination: 46d55m33.41s
Redshift: None
Photometric Redshift: 0.176
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.97
Cutout download processed 19.18
Global aperture construction processed 0.7
Local aperture photometry processed 6.65
Global aperture photometry processed 6.73
Validate local photometry no valid phot 0.02
Validate global photometry processed 18.62
Host information processed 0.08
Global host SED inference processed 408.38
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.08
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) = 8h41m00.05s, 46d55m32.96s
semi major axis, semi minor axis (arcsec) = 0.67, 0.67
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) = 8h40m59.92s, 46d55m33.45s
semi major axis, semi minor axis (arcsec) = 5.95, 4.34
angle (degrees, anti-clockwise from east) = -89.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.13 0.57 21.499 0.068 AB
GALEX_NUV 13.15 0.47 21.102 0.038 AB
SDSS_u 15.77 3.1 20.906 0.214 AB
SDSS_g 85.22 2.77 19.074 0.035 AB
DES_g 80.18 0.79 19.140 0.011 AB
PanSTARRS_g 82.16 1.34 19.113 0.018 AB
SDSS_r 153.83 3.8 18.432 0.027 AB
PanSTARRS_r 148.92 1.72 18.468 0.013 AB
SDSS_i 210.61 4.76 18.091 0.025 AB
PanSTARRS_i 202.8 1.39 18.132 0.007 AB
PanSTARRS_z 235.2 3.75 17.971 0.017 AB
SDSS_z 278.08 12.47 17.790 0.049 AB
DES_z 251.24 3.19 17.900 0.014 AB
PanSTARRS_y 247.13 11.04 17.918 0.049 AB
2MASS_J 332.78 138.31 16.700 0.451 Vega
2MASS_H 509.54 218.55 15.764 0.466 Vega
2MASS_K 320.53 249.74 15.798 0.846 Vega
WISE_W1 133.04 12.7 15.891 0.104 Vega
WISE_W2 98.23 15.66 15.580 0.173 Vega
WISE_W3 151.47 73.58 13.275 0.527 Vega
WISE_W4 -63.85 447.5 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})\, 10.439 10.504 10.620
{\rm log}_{10}({\rm SFR}) 0.210 0.526 0.852
{\rm log}_{10}({\rm sSFR}) -10.292 -9.975 -9.685
{\rm stellar\ age} 6.169 6.846 9.279

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.560 -1.097 -0.743
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.510 -0.081 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.298 0.444
\delta -0.485 -0.188 0.024
\tau_1/\tau_2 0.695 1.095 1.499
Q_{PAH} 1.091 3.104 5.256
U_{min} 2.802 8.201 15.459
{\rm log}_{10}(\gamma_e)\, -2.568 -1.444 -0.433

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.031 -2.600 -1.564
{\rm log}_{10}(\tau_{AGN})\, 1.093 1.546 1.902

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.388 0.003 0.214
0.03-0.10 Gyr 0.271 0.645 0.996
0.10-0.32 Gyr -0.370 0.451 0.721
0.32-1.02 Gyr -0.890 0.211 0.476
1.02-3.26 Gyr -1.202 0.250 0.520
3.26-10.41 Gyr 0.279 0.662 0.805
10.41-11.57 Gyr 0.334 0.893 1.635