2025xvn

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Information

Transient

Name: AT2025xvn
Right ascension: 2h46m34.39s
Declination: -16d58m05.31s
Discovery Date: Sept. 16, 2025, 11:18 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name:
Right ascension: 2h46m34.40s
Declination: -16d58m04.95s
Redshift: None
Photometric Redshift: 0.083
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.1
Transient MWEBV processed 0.12
Host match processed 7.32
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 6.48
Validate global photometry processed 18.04
Global host SED inference processed 644.93
Local aperture photometry processed 6.96
Validate local photometry processed 0.03
Local host SED inference processed 463.87
 

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) = 2h46m34.39s, -16d58m05.31s
semi major axis, semi minor axis (arcsec) = 1.28, 1.28
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 69.12 0.31 19.301 0.005 AB
PanSTARRS_r 133.48 0.52 18.586 0.004 AB
DES_r 166.32 0.48 18.348 0.003 AB
SDSS_i 215.52 3.92 18.066 0.020 AB
PanSTARRS_i 197.4 0.36 18.162 0.002 AB
PanSTARRS_z 254.89 1.12 17.884 0.005 AB
DES_z 295.74 2.01 17.723 0.007 AB
PanSTARRS_y 258.17 1.97 17.870 0.008 AB

Aperture details

RA, DEC (J2000) = 2h46m34.38s, -16d58m04.85s
semi major axis, semi minor axis (arcsec) = 5.82, 5.24
angle (degrees, anti-clockwise from east) = -174.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.7 4.84 20.610 0.254 AB
GALEX_NUV 19.79 3.09 20.659 0.169 AB
SDSS_u 76.82 4.88 19.186 0.069 AB
SDSS_g 194.89 3.95 18.176 0.022 AB
DES_g 212.21 0.6 18.083 0.003 AB
PanSTARRS_g 214.02 1.64 18.074 0.008 AB
SDSS_r 391.09 5.76 17.419 0.016 AB
PanSTARRS_r 396.81 1.91 17.404 0.005 AB
DES_r 438.42 0.84 17.295 0.002 AB
SDSS_i 555.28 7.29 17.039 0.014 AB
PanSTARRS_i 549.23 1.35 17.051 0.003 AB
PanSTARRS_z 688.43 4.58 16.805 0.007 AB
SDSS_z 676.77 16.33 16.824 0.026 AB
DES_z 717.41 3.32 16.761 0.005 AB
PanSTARRS_y 757.18 8.33 16.702 0.012 AB
2MASS_J 1063.66 124.93 15.438 0.128 Vega
2MASS_H 1036.15 196.41 14.994 0.206 Vega
2MASS_K 1327.4 224.67 14.255 0.184 Vega
WISE_W1 416.9 12.04 14.651 0.031 Vega
WISE_W2 246.26 14.15 14.583 0.062 Vega
WISE_W3 309.49 52.62 12.499 0.185 Vega
WISE_W4 43.62 258.44 13.181 6.432 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.911 10.019 10.148
{\rm log}_{10}({\rm SFR}) -2.445 -1.203 -0.364
{\rm log}_{10}({\rm sSFR}) -12.530 -11.210 -10.362
{\rm stellar\ age} 6.714 8.055 11.778

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.567 -1.015 -0.691
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.777 -1.052 0.106

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.319 0.602 0.933
\delta -0.677 -0.330 0.055
\tau_1/\tau_2 0.618 1.037 1.447
Q_{PAH} 0.992 3.230 5.481
U_{min} 3.344 8.915 16.273
{\rm log}_{10}(\gamma_e)\, -3.140 -2.080 -0.661

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.943 -1.137 -0.499
{\rm log}_{10}(\tau_{AGN})\, 1.008 1.446 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.755 -1.259 -0.633
0.03-0.10 Gyr -3.342 -1.308 -0.285
0.10-0.33 Gyr -3.428 -1.320 -0.292
0.33-1.07 Gyr -3.690 -1.314 -0.296
1.07-3.49 Gyr -3.133 -0.886 0.004
3.49-11.39 Gyr -1.254 0.068 0.284
11.39-12.66 Gyr -0.368 0.455 1.259

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.392 10.476 10.530
{\rm log}_{10}({\rm SFR}) -0.623 -0.202 0.260
{\rm log}_{10}({\rm sSFR}) -11.108 -10.641 -10.185
{\rm stellar\ age} 8.719 11.711 11.990

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.013 -0.720 -0.564
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.560 0.278 0.439

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.053 0.142 0.316
\delta -0.605 -0.221 0.099
\tau_1/\tau_2 0.499 0.989 1.510
Q_{PAH} 0.769 2.067 3.974
U_{min} 2.863 8.693 16.761
{\rm log}_{10}(\gamma_e)\, -2.728 -1.532 -0.511

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.109 -2.940 -1.988
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.558 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.007 -1.054 -0.555
0.03-0.10 Gyr -0.549 -0.070 0.414
0.10-0.33 Gyr -3.884 -1.594 -0.429
0.33-1.07 Gyr -6.286 -2.542 -0.870
1.07-3.49 Gyr -4.721 -2.465 -0.827
3.49-11.39 Gyr -2.082 -0.482 0.566
11.39-12.66 Gyr 0.999 1.603 1.677