2025yjd

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Information

Transient

Name: AT2025yjd
Right ascension: 23h33m48.24s
Declination: -26d45m57.66s
Discovery Date: Sept. 16, 2025, 9:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: 764128
Right ascension: 23h33m48.48s
Declination: -26d45m57.60s
Redshift: None
Photometric Redshift: 0.086
 

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 4.54
Cutout download processed 4.41
Global aperture construction processed 0.62
Local aperture photometry processed 3.81
Global aperture photometry processed 3.7
Validate local photometry processed 0.02
Validate global photometry processed 10.3
Host information processed 0.11
Global host SED inference processed 489.61
Local host SED inference processed 447.77
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.06
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) = 23h33m48.24s, -26d45m57.66s
semi major axis, semi minor axis (arcsec) = 1.24, 1.24
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 15.44 0.45 20.929 0.032 AB
PanSTARRS_i 19.39 0.46 20.681 0.026 AB
PanSTARRS_z 22.97 0.93 20.497 0.044 AB
PanSTARRS_y 24.68 2.06 20.419 0.091 AB

Aperture details

RA, DEC (J2000) = 23h33m48.47s, -26d45m56.43s
semi major axis, semi minor axis (arcsec) = 10.63, 6.6
angle (degrees, anti-clockwise from east) = -86.57

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 27.51 4.17 20.301 0.165 AB
GALEX_NUV 35.25 3.07 20.032 0.095 AB
PanSTARRS_g 210.95 2.05 18.090 0.011 AB
PanSTARRS_r 326.46 3.0 17.615 0.010 AB
PanSTARRS_i 414.36 3.1 17.357 0.008 AB
PanSTARRS_z 469.01 6.28 17.222 0.015 AB
PanSTARRS_y 505.06 13.89 17.142 0.030 AB
2MASS_J 479.22 196.17 16.304 0.444 Vega
2MASS_H 835.54 291.61 15.227 0.379 Vega
2MASS_K 1156.17 338.56 14.405 0.318 Vega
WISE_W1 432.36 16.48 14.611 0.041 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})\, 8.524 8.782 8.922
{\rm log}_{10}({\rm SFR}) -1.942 -1.083 -0.171
{\rm log}_{10}({\rm sSFR}) -10.746 -9.913 -8.874
{\rm stellar\ age} 1.582 6.066 7.718

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.481 -0.871 -0.204
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.463 -0.720 -0.002

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.255 0.658 1.245
\delta -0.416 -0.063 0.260
\tau_1/\tau_2 0.689 1.090 1.491
Q_{PAH} 1.306 3.252 5.354
U_{min} 3.220 8.548 16.251
{\rm log}_{10}(\gamma_e)\, -2.736 -1.539 -0.445

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.762 -0.330 0.193
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.532 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.507 -1.524 -0.898
0.03-0.10 Gyr -2.159 -1.040 -0.031
0.10-0.33 Gyr -2.465 -1.322 -0.603
0.33-1.07 Gyr -2.903 -1.362 -0.766
1.07-3.48 Gyr -3.186 -1.285 -0.937
3.48-11.36 Gyr -3.235 -1.200 -0.919
11.36-12.62 Gyr -3.085 -1.223 -0.603

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.036 10.106 10.201
{\rm log}_{10}({\rm SFR}) -0.088 0.174 0.418
{\rm log}_{10}({\rm sSFR}) -10.189 -9.949 -9.688
{\rm stellar\ age} 5.569 6.741 7.883

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.112 -0.734 -0.426
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.770 -1.073 0.173

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.184 0.376 0.569
\delta -0.060 0.214 0.345
\tau_1/\tau_2 0.727 1.062 1.408
Q_{PAH} 1.335 3.549 5.533
U_{min} 2.319 6.547 13.773
{\rm log}_{10}(\gamma_e)\, -3.289 -2.335 -1.039

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.825 -1.542 -1.067
{\rm log}_{10}(\tau_{AGN})\, 0.875 1.181 1.644

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.584 -0.253 -0.055
0.03-0.10 Gyr -0.044 0.283 0.554
0.10-0.33 Gyr -0.125 0.235 0.503
0.33-1.07 Gyr -0.362 0.071 0.352
1.07-3.48 Gyr -0.215 0.120 0.358
3.48-11.36 Gyr -0.035 0.219 0.371
11.36-12.62 Gyr -0.182 0.301 0.752