2025yhh

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Information

Transient

Name: AT2025yhh
Right ascension: 0h22m04.81s
Declination: -57d31m08.06s
Discovery Date: Sept. 22, 2025, 5:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.009

Host

Name:
Right ascension: 0h22m04.85s
Declination: -57d31m07.99s
Redshift: None
Photometric Redshift: 0.197
 

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 6.09
Cutout download processed 3.2
Global aperture construction processed 0.24
Local aperture photometry processed 0.82
Global aperture photometry processed 0.71
Validate local photometry no valid phot 0.01
Validate global photometry processed 0.89
Host information processed 0.1
Global host SED inference processed 873.06
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) = 0h22m04.81s, -57d31m08.06s
semi major axis, semi minor axis (arcsec) = 0.61, 0.61
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) = 0h22m04.76s, -57d31m07.91s
semi major axis, semi minor axis (arcsec) = 6.29, 4.38
angle (degrees, anti-clockwise from east) = -126.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 191.46 13.88 18.195 0.079 AB
GALEX_NUV 208.84 8.22 18.100 0.043 AB
2MASS_J 770.27 118.63 15.788 0.167 Vega
2MASS_H 975.88 173.05 15.059 0.193 Vega
2MASS_K 1229.31 229.33 14.338 0.203 Vega
WISE_W1 977.7 16.5 13.725 0.018 Vega
WISE_W2 1266.43 24.47 12.805 0.021 Vega
WISE_W3 1812.11 66.7 10.581 0.040 Vega
WISE_W4 3810.11 532.75 8.328 0.152 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})\, 10.652 10.918 11.210
{\rm log}_{10}({\rm SFR}) 1.157 1.515 1.889
{\rm log}_{10}({\rm sSFR}) -9.857 -9.388 -8.926
{\rm stellar\ age} 1.555 4.582 6.856

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.901 -0.253 -0.022
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.961 -0.240 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.054 0.113 0.238
\delta -0.810 -0.408 0.023
\tau_1/\tau_2 0.414 0.868 1.390
Q_{PAH} 0.098 0.352 0.947
U_{min} 2.231 6.492 13.190
{\rm log}_{10}(\gamma_e)\, -3.711 -3.141 -2.235

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.414 -1.154 -0.984
{\rm log}_{10}(\tau_{AGN})\, 0.812 0.992 1.227

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.840 1.349 1.766
0.03-0.10 Gyr 0.804 1.475 2.008
0.10-0.32 Gyr 0.608 1.416 1.928
0.32-1.01 Gyr 0.022 1.160 1.721
1.01-3.21 Gyr -0.414 0.853 1.228
3.21-10.21 Gyr -0.420 0.807 1.315
10.21-11.34 Gyr -0.334 0.891 1.651