2025yyd

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Information

Transient

Name: AT2025yyd
Right ascension: 23h37m29.92s
Declination: -7d44m57.93s
Discovery Date: Sept. 29, 2025, 12:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 23h37m29.92s
Declination: -7d44m57.98s
Redshift: None
Photometric Redshift: 0.154
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.08
Cutout download processed 18.68
Global aperture construction processed 2.71
Local aperture photometry processed 7.13
Global aperture photometry processed 7.08
Validate local photometry no valid phot 0.03
Validate global photometry processed 18.02
Host information processed 0.12
Global host SED inference processed 526.86
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status blocked N/A N/A
 

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) = 23h37m29.92s, -7d44m57.93s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 23h37m29.89s, -7d44m57.85s
semi major axis, semi minor axis (arcsec) = 5.86, 2.52
angle (degrees, anti-clockwise from east) = -22.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.21 0.42 22.338 0.107 AB
GALEX_NUV 4.65 0.37 22.232 0.087 AB
SDSS_u 25.46 3.97 20.385 0.169 AB
SDSS_g 12.47 1.55 21.160 0.135 AB
DES_g 16.72 0.35 20.842 0.023 AB
PanSTARRS_g 12.94 1.07 21.121 0.090 AB
SDSS_r 20.04 2.29 20.645 0.124 AB
PanSTARRS_r 23.36 0.81 20.479 0.038 AB
DES_r 27.79 0.61 20.290 0.024 AB
SDSS_i 26.49 3.46 20.342 0.142 AB
PanSTARRS_i 30.32 1.09 20.196 0.039 AB
PanSTARRS_z 31.2 2.58 20.165 0.090 AB
SDSS_z 49.36 12.44 19.667 0.274 AB
DES_z 34.36 1.36 20.060 0.043 AB
PanSTARRS_y 3.87 6.81 22.429 1.907 AB
2MASS_J 151.6 98.74 17.553 0.707 Vega
2MASS_H 316.76 147.41 16.281 0.505 Vega
2MASS_K 42.18 198.12 17.999 5.099 Vega
WISE_W1 12.74 6.43 18.438 0.548 Vega
WISE_W2 1.6 10.77 20.050 7.302 Vega
WISE_W3 11.89 76.39 16.038 6.975 Vega
WISE_W4 603.21 548.59 10.329 0.987 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.829 9.317 9.559
{\rm log}_{10}({\rm SFR}) 0.109 0.523 0.875
{\rm log}_{10}({\rm sSFR}) -9.354 -8.789 -8.039
{\rm stellar\ age} 0.568 5.553 7.483

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.512 -0.527 -0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.342 -0.300 0.227

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.243 0.680 1.161
\delta -0.259 0.130 0.289
\tau_1/\tau_2 0.717 1.217 1.652
Q_{PAH} 0.777 2.093 4.220
U_{min} 3.350 9.003 16.747
{\rm log}_{10}(\gamma_e)\, -2.856 -1.596 -0.578

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.237 -1.190 -0.385
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.354 1.741

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.656 -0.128 0.310
0.03-0.10 Gyr 0.210 0.635 1.010
0.10-0.32 Gyr -2.799 -0.916 -0.065
0.32-1.03 Gyr -4.264 -1.405 -0.629
1.03-3.31 Gyr -3.962 -1.139 -0.541
3.31-10.63 Gyr -3.306 -0.804 -0.334
10.63-11.81 Gyr -3.156 -0.637 0.150