2026avs

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Information

Transient

Name: AT2026avs
Right ascension: 4h46m38.84s
Declination: -9d22m05.06s
Discovery Date: Jan. 15, 2026, 4:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.052

Host

Name:
Right ascension: 4h46m39.03s
Declination: -9d22m05.24s
Redshift: None
Photometric Redshift: 0.097
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.17
Transient MWEBV processed 0.13
Host match processed 6.45
Host information processed 0.18
Host MWEBV processed 0.08
Global aperture construction processed 0.64
Global aperture photometry processed 3.64
Validate global photometry processed 10.73
Global host SED inference processed 405.39
Local aperture photometry processed 3.67
Validate local photometry processed 0.02
Local host SED inference processed 452.91
 

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) = 4h46m38.84s, -9d22m05.06s
semi major axis, semi minor axis (arcsec) = 1.12, 1.12
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 18.56 0.37 20.729 0.022 AB
PanSTARRS_z 21.23 0.97 20.583 0.050 AB
PanSTARRS_y 23.18 2.03 20.487 0.095 AB

Aperture details

RA, DEC (J2000) = 4h46m38.99s, -9d22m05.62s
semi major axis, semi minor axis (arcsec) = 5.33, 3.26
angle (degrees, anti-clockwise from east) = -106.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 69.8 1.22 19.290 0.019 AB
PanSTARRS_r 112.56 1.39 18.772 0.013 AB
PanSTARRS_i 155.71 1.35 18.419 0.009 AB
PanSTARRS_z 178.67 3.59 18.270 0.022 AB
PanSTARRS_y 176.88 7.43 18.281 0.046 AB
2MASS_J 222.67 124.32 17.136 0.606 Vega
2MASS_H 116.02 182.96 17.371 1.712 Vega
2MASS_K 385.95 239.0 15.596 0.672 Vega
WISE_W1 167.62 8.71 15.640 0.056 Vega
WISE_W2 113.9 14.88 15.420 0.142 Vega
WISE_W3 470.34 84.13 12.045 0.194 Vega
WISE_W4 367.8 502.86 10.866 1.484 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})\, 8.718 8.941 9.131
{\rm log}_{10}({\rm SFR}) -1.488 -0.854 -0.280
{\rm log}_{10}({\rm sSFR}) -10.478 -9.813 -9.138
{\rm stellar\ age} 3.008 6.509 8.442

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.269 -0.534 -0.060
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.308 -0.640 -0.004

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.322 0.797 1.265
\delta -0.438 0.007 0.239
\tau_1/\tau_2 0.536 0.948 1.332
Q_{PAH} 0.894 2.598 4.908
U_{min} 3.068 8.529 15.590
{\rm log}_{10}(\gamma_e)\, -2.898 -1.759 -0.563

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.986 -0.799 -0.010
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.406 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.390 -0.789 -0.376
0.03-0.10 Gyr -2.033 -0.975 -0.230
0.10-0.33 Gyr -2.438 -1.278 -0.559
0.33-1.06 Gyr -2.570 -1.313 -0.631
1.06-3.45 Gyr -2.607 -1.229 -0.845
3.45-11.24 Gyr -2.149 -1.050 -0.737
11.24-12.49 Gyr -1.986 -0.979 -0.227

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.665 9.794 9.941
{\rm log}_{10}({\rm SFR}) -0.944 -0.455 -0.112
{\rm log}_{10}({\rm sSFR}) -10.716 -10.252 -9.890
{\rm stellar\ age} 4.119 6.191 7.719

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.401 -0.846 -0.363
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.667 -0.878 0.068

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.254 0.415 0.601
\delta -0.435 0.016 0.301
\tau_1/\tau_2 0.600 0.903 1.240
Q_{PAH} 1.747 3.210 4.885
U_{min} 2.677 7.330 14.492
{\rm log}_{10}(\gamma_e)\, -2.878 -2.056 -0.960

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.550 -1.977 -1.234
{\rm log}_{10}(\tau_{AGN})\, 0.911 1.306 1.789

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.021 -0.526 -0.209
0.03-0.10 Gyr -1.139 -0.484 -0.021
0.10-0.33 Gyr -0.954 -0.302 0.089
0.33-1.06 Gyr -0.829 -0.138 0.238
1.06-3.45 Gyr -0.511 -0.073 0.188
3.45-11.24 Gyr -0.674 -0.160 0.104
11.24-12.49 Gyr -0.982 -0.154 0.461