2025yvj

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Information

Transient

Name: AT2025yvj
Right ascension: 20h42m59.42s
Declination: -8d09m51.47s
Discovery Date: Sept. 28, 2025, 2:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name: 1007361
Right ascension: 20h42m59.46s
Declination: -8d09m51.29s
Redshift: 0.079613
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 5.0
Cutout download processed 6.08
Global aperture construction processed 0.66
Local aperture photometry processed 5.4
Global aperture photometry processed 5.51
Validate local photometry processed 0.02
Validate global photometry processed 14.73
Host information processed 0.12
Global host SED inference processed 443.79
Local host SED inference processed 667.12
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 20h42m59.42s, -8d09m51.47s
semi major axis, semi minor axis (arcsec) = 1.33, 1.33
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 174.11 0.66 18.298 0.004 AB
PanSTARRS_g 199.07 0.46 18.152 0.003 AB
PanSTARRS_r 466.39 0.56 17.228 0.001 AB
DES_r 509.62 1.6 17.132 0.003 AB
PanSTARRS_i 727.93 0.57 16.745 0.001 AB
PanSTARRS_z 1045.77 1.28 16.351 0.001 AB
DES_z 1030.28 6.27 16.368 0.007 AB
PanSTARRS_y 1177.12 3.05 16.223 0.003 AB

Aperture details

RA, DEC (J2000) = 20h42m59.47s, -8d09m51.68s
semi major axis, semi minor axis (arcsec) = 16.73, 7.96
angle (degrees, anti-clockwise from east) = -153.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1648.55 2.14 15.857 0.001 AB
PanSTARRS_g 1357.64 3.32 16.068 0.003 AB
PanSTARRS_r 2851.89 3.77 15.262 0.001 AB
DES_r 3614.93 4.44 15.005 0.001 AB
PanSTARRS_i 4276.64 3.81 14.822 0.001 AB
PanSTARRS_z 5413.04 9.61 14.566 0.002 AB
DES_z 6346.5 15.89 14.394 0.003 AB
PanSTARRS_y 6826.32 25.61 14.315 0.004 AB
2MASS_J 9797.9 274.72 13.027 0.030 Vega
2MASS_H 12753.28 355.26 12.268 0.030 Vega
2MASS_K 12204.25 475.13 11.846 0.042 Vega
WISE_W1 6336.83 58.34 11.696 0.010 Vega
WISE_W2 4092.97 62.23 11.531 0.017 Vega
WISE_W3 9607.96 187.4 8.769 0.021 Vega
WISE_W4 9387.56 1162.57 7.349 0.134 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})\, 10.550 10.635 10.713
{\rm log}_{10}({\rm SFR}) -2.873 -1.136 -0.298
{\rm log}_{10}({\rm sSFR}) -13.614 -11.824 -10.828
{\rm stellar\ age} 7.187 8.093 11.266

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.245 -0.750 -0.524
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.599 -0.804 0.027

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.480 0.718 1.068
\delta -0.796 -0.576 -0.362
\tau_1/\tau_2 0.608 1.010 1.405
Q_{PAH} 0.369 1.621 4.973
U_{min} 3.307 9.566 17.187
{\rm log}_{10}(\gamma_e)\, -3.194 -1.512 -0.394

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.275 -1.125 -0.280
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.361 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.000 -1.544 -0.627
0.03-0.10 Gyr -3.399 -1.194 -0.224
0.10-0.33 Gyr -3.683 -1.122 -0.077
0.33-1.07 Gyr -3.809 -1.276 -0.154
1.07-3.50 Gyr -2.698 -0.773 0.451
3.50-11.44 Gyr -0.201 0.760 0.932
11.44-12.71 Gyr -0.117 1.035 1.785

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.187 11.294 11.360
{\rm log}_{10}({\rm SFR}) -0.030 0.720 1.124
{\rm log}_{10}({\rm sSFR}) -11.222 -10.580 -10.177
{\rm stellar\ age} 4.872 6.938 8.255

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) 0.007 0.101 0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.563 0.094 0.342

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.297 0.380 0.485
\delta -0.732 -0.458 -0.094
\tau_1/\tau_2 0.456 0.876 1.295
Q_{PAH} 1.039 2.018 4.405
U_{min} 2.378 6.693 13.485
{\rm log}_{10}(\gamma_e)\, -3.292 -2.478 -1.630

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.408 -3.502 -2.428
{\rm log}_{10}(\tau_{AGN})\, 1.064 1.592 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.355 1.012 1.216
0.03-0.10 Gyr -0.897 0.420 1.112
0.10-0.33 Gyr -0.724 0.619 1.093
0.33-1.07 Gyr 0.114 0.787 1.087
1.07-3.50 Gyr 0.865 1.342 1.736
3.50-11.44 Gyr 0.944 1.391 1.548
11.44-12.71 Gyr 0.529 1.390 1.954