2025ysh

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Information

Transient

Name: AT2025ysh
Right ascension: 3h36m33.54s
Declination: -28d03m52.46s
Discovery Date: Sept. 20, 2025, 3:31 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name:
Right ascension: 3h36m33.56s
Declination: -28d03m51.81s
Redshift: None
Photometric Redshift: 0.144
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.74
Transient MWEBV processed 0.05
Host match processed 6.18
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.04
Validate global photometry processed 14.37
Global host SED inference processed 429.24
Local aperture photometry processed 5.89
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 3h36m33.54s, -28d03m52.46s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
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) = 3h36m33.55s, -28d03m51.61s
semi major axis, semi minor axis (arcsec) = 6.98, 4.45
angle (degrees, anti-clockwise from east) = -14.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.25 0.17 23.657 0.145 AB
GALEX_NUV 2.17 0.14 23.057 0.069 AB
DES_g 113.36 0.45 18.764 0.004 AB
PanSTARRS_g 114.26 1.22 18.755 0.012 AB
PanSTARRS_r 240.08 1.91 17.949 0.009 AB
DES_r 261.8 0.78 17.855 0.003 AB
PanSTARRS_i 334.65 2.43 17.589 0.008 AB
PanSTARRS_z 437.29 3.4 17.298 0.008 AB
DES_z 459.18 2.88 17.245 0.007 AB
PanSTARRS_y 552.43 11.82 17.044 0.023 AB
2MASS_J 570.77 154.24 16.114 0.293 Vega
2MASS_H 641.24 254.27 15.515 0.431 Vega
2MASS_K 590.16 313.88 15.135 0.577 Vega
WISE_W1 272.19 10.82 15.114 0.043 Vega
WISE_W2 166.27 14.33 15.009 0.094 Vega
WISE_W3 -14.08 41.47 Vega
WISE_W4 38.29 275.79 13.322 7.820 Vega
 

Imaging data

Click the image to load the interactive plot.


 

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})\, 10.552 10.607 10.671
{\rm log}_{10}({\rm SFR}) -1.202 -0.427 0.214
{\rm log}_{10}({\rm sSFR}) -11.909 -11.021 -10.333
{\rm stellar\ age} 6.047 6.844 8.206

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.075 -0.770 -0.605
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.376 -0.358 0.243

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.236 0.368 0.534
\delta -0.913 -0.756 -0.541
\tau_1/\tau_2 0.674 1.034 1.414
Q_{PAH} 0.658 2.103 4.085
U_{min} 2.893 8.349 15.682
{\rm log}_{10}(\gamma_e)\, -2.011 -0.933 -0.272

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.171 -2.798 -1.723
{\rm log}_{10}(\tau_{AGN})\, 1.142 1.616 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.212 -0.916 -0.397
0.03-0.10 Gyr -1.262 -0.346 0.356
0.10-0.32 Gyr -0.786 0.027 0.585
0.32-1.04 Gyr -0.678 0.169 0.549
1.04-3.34 Gyr -0.110 0.507 0.782
3.34-10.74 Gyr 0.582 0.797 0.917
10.74-11.93 Gyr 0.249 0.816 1.411