2025yyh

Download data

Information

Transient

Name: AT2025yyh
Right ascension: 9h04m53.55s
Declination: 54d03m24.28s
Discovery Date: Sept. 30, 2025, 12:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: 3134398
Right ascension: 9h04m53.87s
Declination: 54d03m21.86s
Redshift: 0.084623
Photometric Redshift:
 

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 4.89
Cutout download processed 14.89
Global aperture construction processed 0.64
Local aperture photometry processed 5.02
Global aperture photometry processed 5.63
Validate local photometry processed 0.02
Validate global photometry processed 13.94
Host information processed 0.07
Global host SED inference processed 430.97
Local host SED inference processed 449.97
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.03
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) = 9h04m53.55s, 54d03m24.28s
semi major axis, semi minor axis (arcsec) = 1.26, 1.26
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 22.57 0.46 20.516 0.022 AB
SDSS_i 23.6 1.52 20.468 0.070 AB
PanSTARRS_i 29.98 0.32 20.208 0.011 AB
PanSTARRS_z 32.19 1.29 20.131 0.043 AB
PanSTARRS_y 35.35 2.09 20.029 0.064 AB

Aperture details

RA, DEC (J2000) = 9h04m53.85s, 54d03m21.88s
semi major axis, semi minor axis (arcsec) = 9.48, 5.67
angle (degrees, anti-clockwise from east) = -4.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 125.25 5.53 18.656 0.048 AB
SDSS_g 354.23 5.32 17.527 0.016 AB
PanSTARRS_g 387.9 2.02 17.428 0.006 AB
SDSS_r 671.11 7.49 16.833 0.012 AB
PanSTARRS_r 680.84 2.63 16.817 0.004 AB
SDSS_i 930.77 9.38 16.478 0.011 AB
PanSTARRS_i 956.97 1.83 16.448 0.002 AB
PanSTARRS_z 1148.68 7.45 16.250 0.007 AB
SDSS_z 1075.27 21.7 16.321 0.022 AB
PanSTARRS_y 1317.31 12.09 16.101 0.010 AB
2MASS_J 1513.91 190.3 15.055 0.136 Vega
2MASS_H 2210.37 331.06 14.171 0.163 Vega
2MASS_K 2395.41 298.06 13.614 0.135 Vega
WISE_W1 850.52 19.61 13.877 0.025 Vega
WISE_W2 559.58 21.17 13.691 0.041 Vega
WISE_W3 1953.83 78.88 10.499 0.044 Vega
WISE_W4 2268.81 528.0 8.891 0.253 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})\, 8.796 8.956 9.095
{\rm log}_{10}({\rm SFR}) -1.957 -1.282 -0.425
{\rm log}_{10}({\rm sSFR}) -10.895 -10.264 -9.394
{\rm stellar\ age} 3.667 6.619 8.670

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.552 -0.926 -0.393
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.440 -0.648 0.093

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.439 0.958
\delta -0.523 -0.097 0.211
\tau_1/\tau_2 0.659 1.057 1.410
Q_{PAH} 1.111 2.885 5.212
U_{min} 3.164 8.415 15.356
{\rm log}_{10}(\gamma_e)\, -2.781 -1.722 -0.668

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.638 -0.390 0.114
{\rm log}_{10}(\tau_{AGN})\, 1.152 1.464 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.281 -1.526 -1.000
0.03-0.10 Gyr -2.245 -1.275 -0.290
0.10-0.33 Gyr -2.429 -1.379 -0.660
0.33-1.07 Gyr -2.562 -1.327 -0.679
1.07-3.48 Gyr -2.705 -1.152 -0.792
3.48-11.38 Gyr -2.271 -1.010 -0.754
11.38-12.64 Gyr -2.016 -0.965 -0.202

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.447 10.570 10.659
{\rm log}_{10}({\rm SFR}) -0.727 0.288 0.968
{\rm log}_{10}({\rm sSFR}) -11.298 -10.284 -9.466
{\rm stellar\ age} 6.601 7.674 10.660

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.917 -0.561 -0.364
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.237 0.075 0.378

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.155 0.296 0.507
\delta -0.828 -0.432 0.118
\tau_1/\tau_2 0.581 0.984 1.398
Q_{PAH} 0.805 2.188 4.400
U_{min} 2.559 7.735 15.127
{\rm log}_{10}(\gamma_e)\, -2.997 -1.691 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.645 -2.318 -1.417
{\rm log}_{10}(\tau_{AGN})\, 1.124 1.601 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.402 -0.310 0.128
0.03-0.10 Gyr -0.806 0.397 1.120
0.10-0.33 Gyr -1.517 -0.182 0.489
0.33-1.07 Gyr -2.248 -0.382 0.211
1.07-3.48 Gyr -1.496 0.019 0.575
3.48-11.38 Gyr 0.058 0.674 0.853
11.38-12.64 Gyr 0.012 0.873 1.688