2025xvb

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Information

Transient

Name: AT2025xvb
Right ascension: 1h45m45.92s
Declination: -9d44m18.36s
Discovery Date: Sept. 15, 2025, 2:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.026

Host

Name: 144312
Right ascension: 1h45m46.66s
Declination: -9d44m34.68s
Redshift: 0.049392
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 4.46
Cutout download processed 14.03
Global aperture construction processed 0.62
Local aperture photometry processed 6.41
Global aperture photometry processed 5.96
Validate local photometry processed 0.02
Validate global photometry processed 16.82
Host information processed 0.11
Global host SED inference processed 609.97
Local host SED inference processed 527.49
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 1h45m45.92s, -9d44m18.36s
semi major axis, semi minor axis (arcsec) = 2.07, 2.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u -1.65 1.92 AB
DES_g 2.0 0.12 23.150 0.066 AB
PanSTARRS_g 2.93 0.52 22.732 0.191 AB
SDSS_r 4.31 1.22 22.313 0.307 AB
PanSTARRS_r 3.69 0.64 22.481 0.188 AB
DES_r 3.9 0.16 22.423 0.045 AB
SDSS_i 6.37 1.91 21.889 0.326 AB
PanSTARRS_i 4.45 0.53 22.278 0.130 AB
PanSTARRS_z 3.34 1.25 22.589 0.405 AB
DES_z 6.06 0.41 21.944 0.074 AB
PanSTARRS_y 5.76 3.6 21.999 0.679 AB

Aperture details

RA, DEC (J2000) = 1h45m46.66s, -9d44m34.00s
semi major axis, semi minor axis (arcsec) = 13.0, 9.49
angle (degrees, anti-clockwise from east) = -44.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.34 0.79 22.591 0.258 AB
GALEX_NUV 8.79 0.79 21.540 0.098 AB
SDSS_u 172.1 10.9 18.311 0.069 AB
DES_g 1115.64 1.31 16.281 0.001 AB
PanSTARRS_g 1166.62 2.78 16.233 0.003 AB
SDSS_r 2319.39 13.68 15.487 0.006 AB
PanSTARRS_r 2276.35 3.67 15.507 0.002 AB
DES_r 2460.4 2.0 15.422 0.001 AB
SDSS_i 3392.82 17.75 15.074 0.006 AB
PanSTARRS_i 3294.54 2.9 15.106 0.001 AB
PanSTARRS_z 4263.44 6.76 14.826 0.002 AB
DES_z 4395.03 6.59 14.793 0.002 AB
PanSTARRS_y 5174.3 18.98 14.615 0.004 AB
2MASS_J 6126.8 278.54 13.537 0.049 Vega
2MASS_H 8491.09 456.21 12.710 0.058 Vega
2MASS_K 6166.07 526.45 12.587 0.093 Vega
WISE_W1 2821.04 32.7 12.575 0.013 Vega
WISE_W2 1631.68 34.02 12.529 0.023 Vega
WISE_W3 470.56 89.32 12.044 0.206 Vega
WISE_W4 -348.46 411.6 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})\, 7.439 7.721 7.919
{\rm log}_{10}({\rm SFR}) -2.365 -1.754 -1.170
{\rm log}_{10}({\rm sSFR}) -10.140 -9.483 -8.726
{\rm stellar\ age} 1.248 4.930 6.950

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.494 -0.853 -0.274
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.627 -0.968 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.815 1.334 1.908
\delta -0.041 0.199 0.330
\tau_1/\tau_2 0.718 1.078 1.431
Q_{PAH} 1.098 3.208 5.376
U_{min} 3.071 8.449 15.559
{\rm log}_{10}(\gamma_e)\, -2.759 -1.663 -0.542

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.705 -0.156 0.287
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.590 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.604 -1.856 -1.249
0.03-0.10 Gyr -2.522 -1.814 -1.123
0.10-0.33 Gyr -2.532 -1.854 -1.268
0.33-1.09 Gyr -2.956 -2.045 -1.604
1.09-3.58 Gyr -3.607 -2.271 -1.912
3.58-11.79 Gyr -4.137 -2.399 -2.016
11.79-13.10 Gyr -3.961 -2.498 -1.877

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.706 10.785 10.864
{\rm log}_{10}({\rm SFR}) -1.987 -1.359 -0.874
{\rm log}_{10}({\rm sSFR}) -12.794 -12.116 -11.611
{\rm stellar\ age} 7.935 10.621 12.425

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.684 -0.569 -0.469
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.291 -0.691 -0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.236 0.341
\delta -0.960 -0.854 -0.684
\tau_1/\tau_2 0.566 0.953 1.381
Q_{PAH} 0.279 0.811 2.427
U_{min} 3.216 8.646 16.435
{\rm log}_{10}(\gamma_e)\, -2.163 -1.374 -0.659

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.472 -3.666 -2.755
{\rm log}_{10}(\tau_{AGN})\, 1.028 1.495 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.122 -1.311 -0.836
0.03-0.10 Gyr -2.828 -1.482 -0.860
0.10-0.33 Gyr -3.490 -1.598 -0.841
0.33-1.09 Gyr -3.699 -1.542 -0.555
1.09-3.58 Gyr -3.099 -1.130 0.157
3.58-11.79 Gyr -1.588 0.648 0.976
11.79-13.10 Gyr 0.825 1.724 1.998