2025xvt

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Information

Transient

Name: AT2025xvt
Right ascension: 21h59m46.37s
Declination: 66d41m12.67s
Discovery Date: Sept. 17, 2025, 10:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.600

Host

Name: 21594592+6641185
Right ascension: 21h59m45.92s
Declination: 66d41m18.57s
Redshift: 0.045551
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 3.95
Cutout download processed 4.92
Global aperture construction processed 0.67
Local aperture photometry processed 4.17
Global aperture photometry processed 3.95
Validate local photometry processed 0.02
Validate global photometry processed 12.03
Host information processed 0.11
Global host SED inference processed 602.47
Local host SED inference processed 534.2
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 21h59m46.37s, 66d41m12.67s
semi major axis, semi minor axis (arcsec) = 2.24, 2.24
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 17.28 0.65 20.806 0.041 AB
PanSTARRS_r 44.63 0.83 19.776 0.020 AB
PanSTARRS_i 72.75 1.13 19.245 0.017 AB
PanSTARRS_z 105.65 1.93 18.840 0.020 AB
PanSTARRS_y 128.6 5.01 18.627 0.042 AB

Aperture details

RA, DEC (J2000) = 21h59m45.86s, 66d41m18.72s
semi major axis, semi minor axis (arcsec) = 10.26, 8.89
angle (degrees, anti-clockwise from east) = -95.02

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.7 4.98 21.326 0.505 AB
PanSTARRS_g 478.27 2.78 17.201 0.006 AB
PanSTARRS_r 1375.77 3.63 16.054 0.003 AB
PanSTARRS_i 2647.54 4.9 15.343 0.002 AB
2MASS_J 8593.5 265.57 13.170 0.034 Vega
2MASS_H 12841.98 416.11 12.261 0.035 Vega
2MASS_K 12506.92 401.06 11.819 0.035 Vega
WISE_W1 5379.91 71.08 11.874 0.014 Vega
WISE_W2 3189.07 90.94 11.802 0.031 Vega
WISE_W3 6092.2 101.48 9.264 0.018 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})\, 8.878 9.062 9.235
{\rm log}_{10}({\rm SFR}) -1.457 -0.789 -0.125
{\rm log}_{10}({\rm sSFR}) -10.560 -9.899 -9.021
{\rm stellar\ age} 2.126 5.337 7.351

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.481 -0.819 -0.316
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.836 -1.490 -0.773

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.176 0.413 0.779
\delta -0.733 -0.201 0.177
\tau_1/\tau_2 0.721 1.098 1.483
Q_{PAH} 0.972 3.114 5.374
U_{min} 2.873 8.213 15.324
{\rm log}_{10}(\gamma_e)\, -3.361 -1.992 -0.952

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.978 -1.845 -0.598
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.505 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.618 -1.030 -0.573
0.03-0.10 Gyr -1.576 -0.745 -0.002
0.10-0.33 Gyr -1.242 -0.534 0.020
0.33-1.09 Gyr -1.541 -0.709 -0.289
1.09-3.59 Gyr -1.819 -0.877 -0.567
3.59-11.83 Gyr -2.248 -1.036 -0.678
11.83-13.15 Gyr -2.275 -1.042 -0.416

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.814 10.928 11.035
{\rm log}_{10}({\rm SFR}) -0.557 0.111 0.736
{\rm log}_{10}({\rm sSFR}) -11.526 -10.879 -10.218
{\rm stellar\ age} 6.905 8.069 11.401

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.640 -0.440 -0.333
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.598 -0.745 -0.091

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.075 0.164 0.350
\delta -0.860 -0.412 0.078
\tau_1/\tau_2 0.501 0.914 1.347
Q_{PAH} 0.362 1.392 3.576
U_{min} 2.747 7.862 14.871
{\rm log}_{10}(\gamma_e)\, -2.874 -1.533 -0.630

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.429 -3.457 -2.347
{\rm log}_{10}(\tau_{AGN})\, 1.215 1.748 2.033

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.940 -0.090 0.417
0.03-0.10 Gyr -0.808 0.107 0.839
0.10-0.33 Gyr -1.015 0.072 0.773
0.33-1.09 Gyr -1.080 0.119 0.653
1.09-3.59 Gyr -0.871 0.455 0.951
3.59-11.83 Gyr 0.416 0.979 1.171
11.83-13.15 Gyr 0.683 1.267 2.066