2025zvx

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Information

Transient

Name: AT2025zvx
Right ascension: 21h15m12.44s
Declination: -8d19m12.54s
Discovery Date: Sept. 18, 2025, 7:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.101

Host

Name:
Right ascension: 21h15m12.18s
Declination: -8d19m16.66s
Redshift: None
Photometric Redshift: 0.085
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.22
Transient MWEBV processed 0.05
Host match processed 5.12
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.91
Validate global photometry processed 18.3
Global host SED inference processed 481.62
Local aperture photometry processed 6.58
Validate local photometry processed 0.03
Local host SED inference processed 448.95
 

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) = 21h15m12.44s, -8d19m12.54s
semi major axis, semi minor axis (arcsec) = 1.25, 1.25
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 14.4 0.16 21.004 0.012 AB
PanSTARRS_r 29.73 0.35 20.217 0.013 AB
DES_r 31.28 0.44 20.162 0.015 AB
PanSTARRS_i 42.99 0.29 19.817 0.007 AB
PanSTARRS_z 57.81 0.86 19.495 0.016 AB
DES_z 58.14 1.33 19.489 0.025 AB
PanSTARRS_y 63.41 1.99 19.395 0.034 AB

Aperture details

RA, DEC (J2000) = 21h15m12.14s, -8d19m16.58s
semi major axis, semi minor axis (arcsec) = 16.0, 5.94
angle (degrees, anti-clockwise from east) = -124.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.82 5.09 20.413 0.223 AB
GALEX_NUV 25.46 4.07 20.385 0.174 AB
SDSS_u 136.74 8.64 18.560 0.069 AB
SDSS_g 446.67 6.38 17.275 0.015 AB
DES_g 361.71 0.92 17.504 0.003 AB
PanSTARRS_g 511.78 2.39 17.127 0.005 AB
SDSS_r 1008.19 9.53 16.391 0.010 AB
PanSTARRS_r 991.7 2.7 16.409 0.003 AB
DES_r 830.48 2.42 16.602 0.003 AB
SDSS_i 1487.34 12.62 15.969 0.009 AB
PanSTARRS_i 1438.31 2.19 16.005 0.002 AB
PanSTARRS_z 1938.04 6.59 15.682 0.004 AB
SDSS_z 2085.29 33.09 15.602 0.017 AB
DES_z 1584.65 7.24 15.900 0.005 AB
PanSTARRS_y 2212.96 15.41 15.538 0.008 AB
2MASS_J 2637.08 275.77 14.452 0.114 Vega
2MASS_H 4454.14 459.42 13.410 0.112 Vega
2MASS_K 2943.92 475.31 13.390 0.175 Vega
WISE_W1 1568.99 36.21 13.212 0.025 Vega
WISE_W2 959.84 34.54 13.106 0.039 Vega
WISE_W3 1918.28 133.02 10.519 0.075 Vega
WISE_W4 1012.54 698.95 9.766 0.749 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})\, 9.191 9.313 9.424
{\rm log}_{10}({\rm SFR}) -2.411 -1.531 -0.810
{\rm log}_{10}({\rm sSFR}) -11.731 -10.897 -10.124
{\rm stellar\ age} 4.063 6.527 7.799

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.405 -0.688 -0.268
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.553 -0.772 0.024

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.672 1.255
\delta -0.418 -0.065 0.229
\tau_1/\tau_2 0.659 1.030 1.390
Q_{PAH} 1.213 3.322 5.805
U_{min} 3.046 8.075 15.575
{\rm log}_{10}(\gamma_e)\, -2.941 -1.859 -0.700

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.788 -0.489 -0.123
{\rm log}_{10}(\tau_{AGN})\, 1.103 1.477 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.065 -1.818 -1.277
0.03-0.10 Gyr -2.551 -1.500 -0.717
0.10-0.33 Gyr -2.013 -1.163 -0.425
0.33-1.07 Gyr -1.798 -0.918 -0.358
1.07-3.48 Gyr -1.400 -0.629 -0.338
3.48-11.37 Gyr -1.345 -0.590 -0.395
11.37-12.64 Gyr -1.563 -0.621 -0.103

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.926 11.003 11.051
{\rm log}_{10}({\rm SFR}) -0.423 0.171 0.623
{\rm log}_{10}({\rm sSFR}) -11.429 -10.838 -10.384
{\rm stellar\ age} 8.472 11.590 11.975

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.678 -0.510 -0.379
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.739 -0.267 -0.058

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.158 0.246 0.371
\delta -0.443 -0.081 0.202
\tau_1/\tau_2 0.603 1.068 1.524
Q_{PAH} 0.647 1.591 3.234
U_{min} 2.799 8.447 16.248
{\rm log}_{10}(\gamma_e)\, -2.716 -1.713 -1.008

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.370 -3.337 -2.345
{\rm log}_{10}(\tau_{AGN})\, 1.085 1.612 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.273 0.127 0.437
0.03-0.10 Gyr -1.141 0.168 0.702
0.10-0.33 Gyr -4.089 -1.665 -0.313
0.33-1.07 Gyr -6.063 -2.523 -0.859
1.07-3.48 Gyr -4.105 -1.847 -0.548
3.48-11.37 Gyr -1.302 0.244 1.143
11.37-12.64 Gyr 1.430 2.119 2.191