2025yhd

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Information

Transient

Name: AT2025yhd
Right ascension: 23h03m11.52s
Declination: -3d13m47.67s
Discovery Date: Sept. 22, 2025, 6:14 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name:
Right ascension: 23h03m11.49s
Declination: -3d13m39.14s
Redshift: None
Photometric Redshift: 0.073
 

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
processed
 status
Local host SED inference
Local host SED inference
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 5.2
Cutout download processed 17.12
Global aperture construction processed 0.63
Local aperture photometry processed 6.75
Global aperture photometry processed 6.38
Validate local photometry processed 0.03
Validate global photometry processed 17.35
Host information processed 0.11
Global host SED inference processed 395.74
Local host SED inference processed 689.38
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.05
Processing status completed 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) = 23h03m11.52s, -3d13m47.67s
semi major axis, semi minor axis (arcsec) = 1.44, 1.44
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 0.4 0.08 24.901 0.219 AB
PanSTARRS_g 1.04 0.3 23.857 0.309 AB
SDSS_r 0.39 0.82 24.926 2.300 AB
PanSTARRS_r 1.14 0.36 23.759 0.339 AB
DES_r 0.76 0.22 24.194 0.319 AB
SDSS_i 3.84 1.47 22.438 0.415 AB
PanSTARRS_i 0.99 0.48 23.909 0.527 AB
PanSTARRS_z 2.96 0.92 22.723 0.338 AB
SDSS_z 7.86 4.31 21.661 0.596 AB
DES_z 1.06 0.36 23.838 0.368 AB
PanSTARRS_y 4.11 2.33 22.364 0.616 AB

Aperture details

RA, DEC (J2000) = 23h03m11.50s, -3d13m38.69s
semi major axis, semi minor axis (arcsec) = 8.32, 4.38
angle (degrees, anti-clockwise from east) = -156.81

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 27.45 4.94 20.304 0.195 AB
GALEX_NUV 32.29 3.43 20.127 0.115 AB
SDSS_u 71.8 6.44 19.260 0.097 AB
SDSS_g 156.74 4.02 18.412 0.028 AB
DES_g 165.69 0.56 18.352 0.004 AB
PanSTARRS_g 176.45 1.28 18.283 0.008 AB
SDSS_r 220.48 5.04 18.042 0.025 AB
PanSTARRS_r 218.89 1.51 18.049 0.008 AB
DES_r 222.55 1.49 18.031 0.007 AB
SDSS_i 266.21 7.09 17.837 0.029 AB
PanSTARRS_i 255.74 2.03 17.881 0.009 AB
PanSTARRS_z 264.87 3.88 17.842 0.016 AB
SDSS_z 307.56 18.43 17.680 0.065 AB
DES_z 266.2 2.9 17.837 0.012 AB
PanSTARRS_y 291.37 9.68 17.739 0.036 AB
2MASS_J 134.13 187.7 17.686 1.519 Vega
2MASS_H 193.71 286.26 16.815 1.604 Vega
2MASS_K -105.69 308.85 Vega
WISE_W1 159.02 14.44 15.697 0.099 Vega
WISE_W2 102.95 19.77 15.529 0.208 Vega
WISE_W3 199.61 92.8 12.976 0.505 Vega
WISE_W4 594.49 456.97 10.345 0.835 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.176 7.539 8.170
{\rm log}_{10}({\rm SFR}) -0.980 -0.714 -0.397
{\rm log}_{10}({\rm sSFR}) -8.828 -8.020 -7.961
{\rm stellar\ age} 0.016 0.667 7.356

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.802 -0.241 0.043
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.439 -0.738 -0.011

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 2.244 2.798 3.383
\delta 0.205 0.308 0.373
\tau_1/\tau_2 0.552 0.829 1.155
Q_{PAH} 0.430 1.748 4.540
U_{min} 3.342 9.855 18.039
{\rm log}_{10}(\gamma_e)\, -3.377 -2.183 -0.881

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.695 -0.566 0.077
{\rm log}_{10}(\tau_{AGN})\, 0.940 1.409 1.780

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.530 -0.242 0.067
0.03-0.10 Gyr -4.290 -2.736 -1.142
0.10-0.33 Gyr -7.242 -4.816 -2.384
0.33-1.07 Gyr -8.768 -5.517 -2.587
1.07-3.51 Gyr -9.128 -5.124 -2.394
3.51-11.51 Gyr -9.194 -4.457 -1.991
11.51-12.79 Gyr -9.395 -4.025 -1.483

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.167 9.363 9.549
{\rm log}_{10}({\rm SFR}) -0.813 -0.256 0.155
{\rm log}_{10}({\rm sSFR}) -10.219 -9.635 -9.190
{\rm stellar\ age} 1.370 3.911 5.717

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.551 -0.999 -0.498
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.039 0.339

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.117 0.236 0.397
\delta -0.582 -0.201 0.074
\tau_1/\tau_2 0.785 1.178 1.577
Q_{PAH} 1.006 2.929 5.187
U_{min} 2.768 8.166 15.218
{\rm log}_{10}(\gamma_e)\, -2.813 -1.619 -0.497

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.890 -2.457 -1.558
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.407 1.843

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.039 -0.738 -0.522
0.03-0.10 Gyr -0.827 -0.147 0.301
0.10-0.33 Gyr 0.093 0.375 0.677
0.33-1.07 Gyr -0.754 -0.093 0.195
1.07-3.51 Gyr -1.536 -0.582 -0.234
3.51-11.51 Gyr -2.122 -0.866 -0.459
11.51-12.79 Gyr -2.189 -0.866 -0.314