2025gnu

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Information

Transient

Name: AT2025gnu
Right ascension: 11h02m26.26s
Declination: 45d38m46.47s
Discovery Date: March 31, 2025, 6:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name: 2025gnu
Right ascension: 11h02m26.16s
Declination: 45d38m47.05s
Redshift: None
Photometric Redshift: 0.117
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.87
Cutout download processed 15.57
Global aperture construction processed 0.72
Local aperture photometry processed 5.31
Global aperture photometry processed 5.53
Validate local photometry no valid phot 0.02
Validate global photometry processed 16.17
Host information processed 0.09
Global host SED inference processed 468.34
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.05
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) = 11h02m26.26s, 45d38m46.47s
semi major axis, semi minor axis (arcsec) = 0.94, 0.94
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) = 11h02m26.15s, 45d38m47.15s
semi major axis, semi minor axis (arcsec) = 5.88, 3.39
angle (degrees, anti-clockwise from east) = -30.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.42 1.19 23.517 0.909 AB
GALEX_NUV 4.02 1.82 22.389 0.490 AB
SDSS_u 23.32 3.49 20.481 0.162 AB
SDSS_g 120.53 3.1 18.697 0.028 AB
PanSTARRS_g 121.23 1.04 18.691 0.009 AB
SDSS_r 261.54 4.75 17.856 0.020 AB
PanSTARRS_r 257.66 1.2 17.872 0.005 AB
SDSS_i 426.42 6.52 17.325 0.017 AB
PanSTARRS_i 372.46 0.96 17.472 0.003 AB
PanSTARRS_z 479.48 3.03 17.198 0.007 AB
SDSS_z 548.46 15.03 17.052 0.030 AB
PanSTARRS_y 588.96 7.19 16.975 0.013 AB
2MASS_J 953.0 105.56 15.557 0.120 Vega
2MASS_H 906.61 153.34 15.139 0.184 Vega
2MASS_K 1019.1 161.84 14.542 0.172 Vega
WISE_W1 322.75 16.24 14.929 0.055 Vega
WISE_W2 211.86 18.32 14.746 0.094 Vega
WISE_W3 204.14 62.61 12.951 0.333 Vega
WISE_W4 -418.41 440.77 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})\, 10.425 10.519 10.620
{\rm log}_{10}({\rm SFR}) -1.531 -0.373 0.206
{\rm log}_{10}({\rm sSFR}) -12.187 -10.887 -10.287
{\rm stellar\ age} 6.375 7.337 10.501

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.086 -0.802 -0.613
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.374 -0.299 0.265

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.303 0.452 0.621
\delta -0.937 -0.808 -0.615
\tau_1/\tau_2 0.633 1.005 1.372
Q_{PAH} 0.355 1.085 2.266
U_{min} 2.872 8.213 15.360
{\rm log}_{10}(\gamma_e)\, -2.795 -1.860 -1.087

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.323 -2.997 -1.965
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.479 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.691 -0.468 -0.063
0.03-0.10 Gyr -1.978 -0.392 0.310
0.10-0.32 Gyr -2.110 -0.308 0.397
0.32-1.05 Gyr -2.300 -0.364 0.295
1.05-3.40 Gyr -1.490 0.122 0.594
3.40-11.02 Gyr -0.011 0.658 0.817
11.02-12.24 Gyr 0.123 0.809 1.684