2025abyv

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Information

Transient

Name: AT2025abyv
Right ascension: 4h21m35.51s
Declination: -27d07m39.04s
Discovery Date: Oct. 28, 2025, 11:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name:
Right ascension: 4h21m35.80s
Declination: -27d07m39.69s
Redshift: None
Photometric Redshift: 0.047
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.72
Transient MWEBV processed 0.03
Host match processed 5.36
Host information processed 0.13
Host MWEBV processed 0.03
Global aperture construction processed 0.62
Global aperture photometry processed 4.77
Validate global photometry processed 11.92
Global host SED inference processed 404.31
Local aperture photometry processed 4.7
Validate local photometry processed 0.02
Local host SED inference processed 430.46
 

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) = 4h21m35.51s, -27d07m39.04s
semi major axis, semi minor axis (arcsec) = 2.18, 2.18
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 29.29 0.22 20.233 0.008 AB
PanSTARRS_g 37.06 0.62 19.978 0.018 AB
PanSTARRS_r 66.03 0.76 19.351 0.013 AB
DES_r 56.34 0.3 19.523 0.006 AB
PanSTARRS_i 96.55 0.88 18.938 0.010 AB
PanSTARRS_z 123.68 1.81 18.669 0.016 AB
DES_z 102.6 1.26 18.872 0.013 AB
PanSTARRS_y 159.02 4.53 18.396 0.031 AB

Aperture details

RA, DEC (J2000) = 4h21m35.78s, -27d07m39.74s
semi major axis, semi minor axis (arcsec) = 22.28, 6.96
angle (degrees, anti-clockwise from east) = -145.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 795.31 1.14 16.649 0.002 AB
PanSTARRS_g 832.02 3.51 16.600 0.005 AB
PanSTARRS_r 1506.76 4.32 15.955 0.003 AB
DES_r 1638.79 1.66 15.864 0.001 AB
PanSTARRS_i 2110.34 4.99 15.589 0.003 AB
PanSTARRS_z 2658.56 10.26 15.338 0.004 AB
DES_z 2931.37 6.82 15.232 0.003 AB
PanSTARRS_y 3282.03 25.85 15.110 0.009 AB
2MASS_J 4851.51 288.68 13.790 0.065 Vega
2MASS_H 4916.76 400.51 13.303 0.088 Vega
2MASS_K 4635.97 429.47 12.897 0.101 Vega
WISE_W1 2705.89 32.35 12.620 0.013 Vega
WISE_W2 1695.4 37.49 12.488 0.024 Vega
WISE_W3 6115.31 148.3 9.260 0.026 Vega
WISE_W4 7844.71 1094.51 7.544 0.151 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})\, 9.043 9.201 9.351
{\rm log}_{10}({\rm SFR}) -1.381 -0.794 -0.373
{\rm log}_{10}({\rm sSFR}) -10.687 -10.032 -9.459
{\rm stellar\ age} 5.572 7.503 9.760

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.396 -0.895 -0.466
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.249 -0.827 -0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.835 1.286 1.631
\delta -0.248 0.016 0.267
\tau_1/\tau_2 0.602 0.952 1.324
Q_{PAH} 0.525 2.060 5.126
U_{min} 2.871 8.230 15.467
{\rm log}_{10}(\gamma_e)\, -3.164 -1.893 -0.819

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.846 -1.956 -0.493
{\rm log}_{10}(\tau_{AGN})\, 0.886 1.371 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.377 -0.705 -0.356
0.03-0.10 Gyr -1.729 -0.917 -0.342
0.10-0.33 Gyr -2.215 -1.175 -0.624
0.33-1.09 Gyr -2.198 -1.206 -0.642
1.09-3.58 Gyr -1.992 -1.042 -0.631
3.58-11.82 Gyr -1.309 -0.725 -0.511
11.82-13.13 Gyr -1.376 -0.615 0.115

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.381 10.477 10.570
{\rm log}_{10}({\rm SFR}) -0.473 0.175 0.494
{\rm log}_{10}({\rm sSFR}) -10.932 -10.314 -9.974
{\rm stellar\ age} 6.037 7.418 8.957

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.625 -0.350 -0.115
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.818 -1.279 0.241

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.414 0.638 0.862
\delta -0.376 -0.065 0.171
\tau_1/\tau_2 0.604 0.945 1.311
Q_{PAH} 0.476 1.283 3.450
U_{min} 2.740 7.229 13.848
{\rm log}_{10}(\gamma_e)\, -3.315 -2.411 -1.433

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.149 -3.044 -2.026
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.501 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.214 0.285 0.577
0.03-0.10 Gyr -0.999 -0.009 0.520
0.10-0.33 Gyr -0.928 -0.008 0.436
0.33-1.09 Gyr -0.707 -0.014 0.414
1.09-3.58 Gyr -0.164 0.391 0.728
3.58-11.82 Gyr 0.258 0.582 0.748
11.82-13.13 Gyr -0.059 0.647 1.245