2025ywh

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Information

Transient

Name: AT2025ywh
Right ascension: 22h31m41.48s
Declination: 20d24m36.57s
Discovery Date: Sept. 29, 2025, 7 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 22h31m41.54s
Declination: 20d24m35.63s
Redshift: None
Photometric Redshift: 0.133
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.87
Transient MWEBV processed 0.06
Host match processed 5.12
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 2.66
Global aperture photometry processed 6.73
Validate global photometry processed 17.95
Global host SED inference processed 958.19
Local aperture photometry processed 6.44
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) = 22h31m41.48s, 20d24m36.57s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 22h31m41.53s, 20d24m35.91s
semi major axis, semi minor axis (arcsec) = 4.72, 4.35
angle (degrees, anti-clockwise from east) = -62.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.66 2.17 21.690 0.308 AB
GALEX_NUV 5.76 1.53 21.998 0.288 AB
SDSS_u 5.17 4.4 22.116 0.924 AB
SDSS_g 9.5 1.53 21.456 0.175 AB
DES_g 12.89 0.35 21.124 0.030 AB
PanSTARRS_g 16.01 0.99 20.889 0.067 AB
SDSS_r 13.31 2.53 21.090 0.207 AB
PanSTARRS_r 21.79 1.04 20.554 0.052 AB
DES_r 19.0 0.81 20.703 0.046 AB
SDSS_i 24.19 3.81 20.441 0.171 AB
PanSTARRS_i 22.92 1.27 20.500 0.060 AB
PanSTARRS_z 24.91 3.12 20.409 0.136 AB
SDSS_z -2.42 18.54 AB
DES_z 28.65 2.77 20.257 0.105 AB
PanSTARRS_y 53.23 7.1 19.585 0.145 AB
2MASS_J -27.5 118.29 Vega
2MASS_H 239.07 148.77 16.586 0.676 Vega
2MASS_K 136.91 240.0 16.721 1.903 Vega
WISE_W1 63.61 8.24 16.692 0.141 Vega
WISE_W2 29.06 10.98 16.903 0.410 Vega
WISE_W3 87.63 64.02 13.869 0.793 Vega
WISE_W4 -3.33 346.72 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})\, 8.580 9.010 9.280
{\rm log}_{10}({\rm SFR}) -0.079 0.424 0.704
{\rm log}_{10}({\rm sSFR}) -9.317 -8.492 -7.943
{\rm stellar\ age} 0.125 4.185 6.869

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.182 -0.418 -0.010
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.541 -0.255 -0.046

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.310 0.886 1.314
\delta 0.266 0.354 0.389
\tau_1/\tau_2 0.729 1.227 1.654
Q_{PAH} 0.926 2.437 4.449
U_{min} 3.417 9.549 17.151
{\rm log}_{10}(\gamma_e)\, -3.088 -2.097 -0.974

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.315 -1.193 -0.265
{\rm log}_{10}(\tau_{AGN})\, 1.028 1.387 1.814

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.798 -0.156 0.312
0.03-0.10 Gyr -0.005 0.515 0.848
0.10-0.32 Gyr -2.629 -0.866 -0.235
0.32-1.04 Gyr -4.218 -1.365 -0.693
1.04-3.36 Gyr -4.460 -1.407 -0.733
3.36-10.85 Gyr -4.786 -1.340 -0.638
10.85-12.05 Gyr -4.506 -1.207 -0.293