2025giy

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Information

Transient

Name: AT2025giy
Right ascension: 7h40m54.15s
Declination: 41d10m18.79s
Discovery Date: March 29, 2025, 5:47 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name: 2025giy
Right ascension: 7h40m54.05s
Declination: 41d10m18.01s
Redshift: None
Photometric Redshift: 0.145
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.68
Cutout download processed 14.18
Global aperture construction processed 0.63
Local aperture photometry processed 4.84
Global aperture photometry processed 4.85
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.48
Host information processed 0.14
Global host SED inference processed 426.28
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.06
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) = 7h40m54.15s, 41d10m18.79s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
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) = 7h40m54.04s, 41d10m18.10s
semi major axis, semi minor axis (arcsec) = 5.93, 4.17
angle (degrees, anti-clockwise from east) = -134.25

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 73.13 1.23 19.240 0.018 AB
PanSTARRS_r 118.49 1.6 18.716 0.015 AB
PanSTARRS_i 161.65 1.32 18.379 0.009 AB
PanSTARRS_z 182.25 3.52 18.248 0.021 AB
PanSTARRS_y 228.19 7.49 18.004 0.036 AB
2MASS_J 259.4 108.95 16.970 0.456 Vega
2MASS_H 277.72 172.26 16.423 0.673 Vega
2MASS_K 146.28 203.46 16.649 1.510 Vega
WISE_W1 100.95 9.99 16.191 0.107 Vega
WISE_W2 68.83 12.39 15.967 0.195 Vega
WISE_W3 201.28 74.31 12.967 0.401 Vega
WISE_W4 421.13 419.95 10.719 1.083 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})\, 9.841 10.006 10.156
{\rm log}_{10}({\rm SFR}) -1.283 -0.251 0.413
{\rm log}_{10}({\rm sSFR}) -11.277 -10.248 -9.597
{\rm stellar\ age} 1.336 4.369 6.275

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.479 -0.974 -0.488
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.136 -0.048 0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.229 0.405 0.611
\delta -0.808 -0.522 -0.235
\tau_1/\tau_2 0.540 0.930 1.341
Q_{PAH} 0.423 1.475 3.482
U_{min} 2.993 8.588 15.882
{\rm log}_{10}(\gamma_e)\, -2.931 -1.893 -0.827

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.279 -3.080 -1.901
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.537 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.790 -0.520 -0.098
0.03-0.10 Gyr -1.745 -0.206 0.540
0.10-0.32 Gyr -0.818 0.331 0.863
0.32-1.04 Gyr -0.082 0.502 0.972
1.04-3.33 Gyr -1.134 0.133 0.482
3.33-10.73 Gyr -1.786 -0.115 0.289
10.73-11.92 Gyr -2.144 -0.233 0.443