2025yiy

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Information

Transient

Name: AT2025yiy
Right ascension: 1h25m19.19s
Declination: 21d07m23.58s
Discovery Date: Sept. 17, 2025, 10:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name:
Right ascension: 1h25m19.07s
Declination: 21d07m22.95s
Redshift: None
Photometric Redshift: 0.115
 

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
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 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 5.75
Cutout download processed 18.02
Global aperture construction processed 2.72
Local aperture photometry processed 6.23
Global aperture photometry processed 5.88
Validate local photometry processed 0.03
Validate global photometry processed 17.11
Host information processed 0.16
Global host SED inference processed 485.68
Local host SED inference not enough filters 21.63
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.06
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) = 1h25m19.19s, 21d07m23.58s
semi major axis, semi minor axis (arcsec) = 0.96, 0.96
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 3.77 0.37 22.458 0.105 AB

Aperture details

RA, DEC (J2000) = 1h25m19.05s, 21d07m23.28s
semi major axis, semi minor axis (arcsec) = 5.02, 3.93
angle (degrees, anti-clockwise from east) = -88.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.87 1.74 21.808 0.275 AB
GALEX_NUV 6.21 1.42 21.918 0.249 AB
SDSS_u -5.38 4.86 AB
SDSS_g 23.03 1.92 20.494 0.091 AB
DES_g 21.33 0.31 20.578 0.016 AB
PanSTARRS_g 21.22 1.13 20.583 0.058 AB
SDSS_r 24.73 2.52 20.417 0.111 AB
PanSTARRS_r 30.79 1.36 20.179 0.048 AB
DES_r 30.2 0.52 20.200 0.019 AB
SDSS_i 33.53 3.78 20.087 0.122 AB
PanSTARRS_i 34.5 1.73 20.055 0.054 AB
PanSTARRS_z 37.58 3.26 19.963 0.094 AB
SDSS_z 43.88 11.08 19.794 0.274 AB
DES_z 37.9 1.33 19.953 0.038 AB
PanSTARRS_y 20.21 6.99 20.636 0.375 AB
2MASS_J -25.55 98.37 Vega
2MASS_H 237.68 165.11 16.592 0.754 Vega
2MASS_K -34.32 171.8 Vega
WISE_W1 20.44 9.04 17.925 0.480 Vega
WISE_W2 13.72 12.94 17.717 1.024 Vega
WISE_W3 -48.01 48.19 Vega
WISE_W4 -162.92 378.75 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})\, 8.799 9.103 9.272
{\rm log}_{10}({\rm SFR}) -0.537 0.022 0.526
{\rm log}_{10}({\rm sSFR}) -9.620 -9.053 -8.409
{\rm stellar\ age} 0.485 4.051 6.073

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.743 -1.255 -0.332
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.479 -0.681 0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.676 1.187
\delta 0.009 0.242 0.351
\tau_1/\tau_2 0.663 1.139 1.598
Q_{PAH} 1.939 4.012 5.604
U_{min} 3.667 9.678 17.122
{\rm log}_{10}(\gamma_e)\, -2.840 -1.740 -0.703

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.291 -1.090 -0.229
{\rm log}_{10}(\tau_{AGN})\, 1.066 1.538 1.883

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.751 -0.830 -0.334
0.03-0.10 Gyr -0.454 0.141 0.674
0.10-0.32 Gyr -0.949 -0.093 0.429
0.32-1.05 Gyr -2.334 -0.749 -0.291
1.05-3.41 Gyr -3.497 -1.042 -0.587
3.41-11.05 Gyr -3.795 -1.215 -0.748
11.05-12.28 Gyr -3.926 -1.160 -0.478