2025yhy results

Information

Transient
Name:AT2025yhy
Right ascension: 0h49m49.29s
Declination:-9d12m03.37s
Discovery Date:Sept. 23, 2025, 5:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.028
Host
Name:993994
Right ascension: 0h49m49.34s
Declination:-9d11m57.91s
Redshift:0.121269
Photometric Redshift:0.119
 

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 18.16
Transient MWEBV processed 0.1
Host match processed 3.87
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.59
Global aperture photometry processed 6.38
Validate global photometry processed 16.82
Global host SED inference processed 384.69
Local aperture photometry processed 6.76
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):0h49m49.29s, -9d11m57.59s
semi major axis, semi minor axis (arcsec):8.45, 7.75
angle (degrees, anti-clockwise from east):-78.51
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.94 1.31 20.452 0.059 AB
GALEX_NUV 38.3 1.07 19.942 0.030 AB
SDSS_u 43.28 7.78 19.809 0.195 AB
SDSS_g 260.26 5.07 17.861 0.021 AB
DES_g 278.78 0.9 17.787 0.004 AB
PanSTARRS_g 265.86 1.9 17.838 0.008 AB
SDSS_r 441.91 7.03 17.287 0.017 AB
PanSTARRS_r 429.85 1.48 17.317 0.004 AB
DES_r 492.88 2.04 17.168 0.004 AB
SDSS_i 646.5 10.36 16.874 0.017 AB
PanSTARRS_i 621.45 3.58 16.916 0.006 AB
PanSTARRS_z 744.62 5.08 16.720 0.007 AB
SDSS_z 702.73 31.04 16.783 0.048 AB
DES_z 776.85 5.91 16.674 0.008 AB
PanSTARRS_y 791.06 14.38 16.654 0.020 AB
2MASS_J 924.22 160.4 15.591 0.188 Vega
2MASS_H 1044.92 224.87 14.985 0.234 Vega
2MASS_K 1238.77 335.41 14.330 0.294 Vega
WISE_W1 491.21 20.84 14.473 0.046 Vega
WISE_W2 311.05 27.95 14.329 0.098 Vega
WISE_W3 717.6 99.18 11.586 0.150 Vega
WISE_W4 41.05 578.17 13.247 15.291 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})\, 10.609 10.653 10.714
{\rm log}_{10}({\rm SFR}) 0.148 0.356 0.566
{\rm log}_{10}({\rm sSFR}) -10.525 -10.295 -10.083
{\rm stellar\ age} 6.551 7.176 8.746

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.918 -0.677 -0.530
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.187 0.213 0.374

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.125 0.206 0.351
\delta -0.371 -0.029 0.195
\tau_1/\tau_2 0.719 1.043 1.378
Q_{PAH} 0.448 1.662 3.826
U_{min} 2.417 7.327 14.521
{\rm log}_{10}(\gamma_e)\, -2.876 -1.908 -0.975

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.433 -3.476 -2.366
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.605 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.031 0.187 0.311
0.03-0.10 Gyr 0.137 0.414 0.675
0.10-0.32 Gyr 0.171 0.458 0.687
0.32-1.05 Gyr 0.080 0.369 0.560
1.05-3.39 Gyr 0.081 0.461 0.692
3.39-10.98 Gyr 0.635 0.824 0.922
10.98-12.20 Gyr 0.530 0.989 1.536