2025yhm

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Information

Transient

Name: AT2025yhm
Right ascension: 20h17m22.26s
Declination: 5d14m22.00s
Discovery Date: Sept. 21, 2025, 9:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.135

Host

Name: UGC11535
Right ascension: 20h17m21.36s
Declination: 5d14m22.78s
Redshift: None
Photometric Redshift: 0.023
 

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 4.34
Cutout download processed 5.14
Global aperture construction processed 1.03
Local aperture photometry processed 3.94
Global aperture photometry processed 3.78
Validate local photometry processed 0.02
Validate global photometry processed 11.53
Host information processed 0.11
Global host SED inference processed 426.63
Local host SED inference processed 469.82
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.04
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) = 20h17m22.26s, 5d14m22.00s
semi major axis, semi minor axis (arcsec) = 4.35, 4.35
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.84 1.93 22.438 0.546 AB
PanSTARRS_g 204.17 0.99 18.125 0.005 AB
PanSTARRS_r 414.16 1.34 17.357 0.004 AB
PanSTARRS_i 594.39 2.57 16.965 0.005 AB
PanSTARRS_z 728.05 3.64 16.745 0.005 AB
PanSTARRS_y 901.58 9.76 16.512 0.012 AB
2MASS_J 1103.33 125.82 15.398 0.124 Vega
2MASS_H 1123.34 203.16 14.906 0.196 Vega
2MASS_K 1035.2 207.15 14.525 0.217 Vega

Aperture details

RA, DEC (J2000) = 20h17m21.39s, 5d14m23.30s
semi major axis, semi minor axis (arcsec) = 24.55, 15.29
angle (degrees, anti-clockwise from east) = -139.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 99.25 9.21 18.908 0.101 AB
GALEX_NUV 143.76 6.49 18.506 0.049 AB
PanSTARRS_g 6366.04 4.55 14.390 0.001 AB
PanSTARRS_i 18513.69 11.43 13.231 0.001 AB
PanSTARRS_z 22913.32 16.89 13.000 0.001 AB
WISE_W1 15191.97 319.63 10.747 0.023 Vega
WISE_W2 8654.37 201.83 10.718 0.025 Vega
WISE_W3 12743.78 627.59 8.463 0.053 Vega
WISE_W4 10094.25 1468.42 7.270 0.158 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})\, 9.125 9.296 9.423
{\rm log}_{10}({\rm SFR}) -1.879 -0.958 -0.297
{\rm log}_{10}({\rm sSFR}) -11.186 -10.256 -9.515
{\rm stellar\ age} 5.212 7.431 9.713

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.600 -1.075 -0.655
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.759 -0.640 0.227

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.437 0.783 1.154
\delta -0.718 -0.354 -0.010
\tau_1/\tau_2 0.635 1.012 1.397
Q_{PAH} 0.532 1.992 4.392
U_{min} 2.596 8.136 15.424
{\rm log}_{10}(\gamma_e)\, -3.399 -2.145 -1.259

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.185 -2.262 -0.913
{\rm log}_{10}(\tau_{AGN})\, 0.921 1.316 1.809

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.038 -1.072 -0.714
0.03-0.10 Gyr -2.213 -0.965 -0.195
0.10-0.33 Gyr -2.383 -1.041 -0.334
0.33-1.10 Gyr -2.334 -1.072 -0.557
1.10-3.65 Gyr -2.247 -0.886 -0.516
3.65-12.11 Gyr -1.552 -0.668 -0.456
12.11-13.45 Gyr -1.353 -0.522 0.184

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.775 10.834 10.948
{\rm log}_{10}({\rm SFR}) -0.878 -0.435 -0.040
{\rm log}_{10}({\rm sSFR}) -11.727 -11.273 -10.895
{\rm stellar\ age} 7.998 9.459 12.655

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.007 -0.734 -0.556
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.514 -0.694 0.031

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.081 0.161 0.303
\delta -0.594 -0.229 0.080
\tau_1/\tau_2 0.537 0.987 1.431
Q_{PAH} 1.027 2.247 4.218
U_{min} 2.823 8.671 16.524
{\rm log}_{10}(\gamma_e)\, -3.033 -2.112 -1.354

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.011 -2.932 -2.114
{\rm log}_{10}(\tau_{AGN})\, 1.238 1.731 2.014

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.945 -0.713 -0.319
0.03-0.10 Gyr -1.109 -0.403 0.092
0.10-0.33 Gyr -2.003 -0.476 0.041
0.33-1.10 Gyr -3.209 -0.643 -0.050
1.10-3.65 Gyr -2.715 -0.457 0.286
3.65-12.11 Gyr -0.731 0.908 1.059
12.11-13.45 Gyr 0.749 1.491 2.066