2025yiy results

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
 

Cutout Download Report

Downloaded Unavailable
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_z
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.02
Transient MWEBV processed 0.07
Host match processed 5.75
Host information processed 0.16
Host MWEBV processed 0.06
Global aperture construction processed 2.72
Global aperture photometry processed 5.88
Validate global photometry processed 17.11
Global host SED inference processed 485.68
Local aperture photometry processed 6.23
Validate local photometry processed 0.03
Local host SED inference not enough filters 21.63
 

Imaging data


 

Spectral Energy Distribution


 

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
 

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