2025acwi

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Information

Transient

Name: AT2025acwi
Right ascension: 7h44m19.09s
Declination: 64d43m17.19s
Discovery Date: Nov. 8, 2025, 8:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 7h44m19.86s
Declination: 64d43m16.60s
Redshift: None
Photometric Redshift: 0.085
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.24
Transient MWEBV processed 0.05
Host match processed 5.11
Host information processed 0.15
Host MWEBV processed 0.11
Global aperture construction processed 0.62
Global aperture photometry processed 4.0
Validate global photometry processed 10.89
Global host SED inference processed 393.12
Local aperture photometry processed 3.91
Validate local photometry processed 0.02
Local host SED inference processed 451.5
 

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) = 7h44m19.09s, 64d43m17.19s
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
PanSTARRS_r 6.12 0.36 21.934 0.065 AB
PanSTARRS_i 9.46 0.34 21.460 0.039 AB
PanSTARRS_z 10.71 1.35 21.326 0.137 AB
PanSTARRS_y 7.47 2.78 21.716 0.404 AB

Aperture details

RA, DEC (J2000) = 7h44m19.84s, 64d43m16.80s
semi major axis, semi minor axis (arcsec) = 9.18, 3.25
angle (degrees, anti-clockwise from east) = -71.56

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.18 1.3 22.348 0.338 AB
GALEX_NUV 6.04 0.56 21.947 0.101 AB
PanSTARRS_g 85.55 1.41 19.069 0.018 AB
PanSTARRS_r 155.44 1.58 18.421 0.011 AB
PanSTARRS_i 213.03 1.45 18.079 0.007 AB
PanSTARRS_z 241.37 5.82 17.943 0.026 AB
PanSTARRS_y 250.05 11.88 17.905 0.052 AB
2MASS_J 293.77 131.83 16.835 0.487 Vega
2MASS_H 464.85 196.98 15.864 0.460 Vega
2MASS_K 436.41 221.18 15.462 0.550 Vega
WISE_W1 167.91 12.32 15.638 0.080 Vega
WISE_W2 100.78 15.17 15.553 0.163 Vega
WISE_W3 234.98 62.49 12.798 0.289 Vega
WISE_W4 749.93 420.9 10.092 0.609 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})\, 8.423 8.675 8.891
{\rm log}_{10}({\rm SFR}) -1.481 -0.939 -0.374
{\rm log}_{10}({\rm sSFR}) -10.176 -9.637 -8.905
{\rm stellar\ age} 2.024 6.099 7.927

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.506 -0.875 -0.151
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.434 -0.602 0.191

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.922 1.421 2.071
\delta -0.095 0.174 0.320
\tau_1/\tau_2 0.691 1.041 1.387
Q_{PAH} 0.973 2.869 5.367
U_{min} 2.942 7.829 15.092
{\rm log}_{10}(\gamma_e)\, -2.818 -1.747 -0.694

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.842 -0.723 0.018
{\rm log}_{10}(\tau_{AGN})\, 0.950 1.415 1.805

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.713 -1.028 -0.536
0.03-0.10 Gyr -1.750 -1.014 -0.339
0.10-0.33 Gyr -2.194 -1.209 -0.572
0.33-1.07 Gyr -2.766 -1.409 -0.901
1.07-3.48 Gyr -3.004 -1.381 -1.010
3.48-11.37 Gyr -2.968 -1.340 -0.989
11.37-12.64 Gyr -2.769 -1.319 -0.586

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.865 9.938 10.022
{\rm log}_{10}({\rm SFR}) -1.156 -0.845 -0.563
{\rm log}_{10}({\rm sSFR}) -11.131 -10.778 -10.475
{\rm stellar\ age} 7.048 7.828 10.138

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.297 -1.010 -0.799
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.753 -0.788 0.206

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.275 0.425
\delta -0.466 -0.110 0.153
\tau_1/\tau_2 0.637 1.003 1.387
Q_{PAH} 1.249 2.741 4.614
U_{min} 2.815 7.850 14.965
{\rm log}_{10}(\gamma_e)\, -2.712 -1.846 -0.916

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.905 -2.504 -1.718
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.349 1.795

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.158 -0.869 -0.657
0.03-0.10 Gyr -1.308 -0.837 -0.484
0.10-0.33 Gyr -1.473 -0.867 -0.468
0.33-1.07 Gyr -1.624 -0.917 -0.474
1.07-3.48 Gyr -1.400 -0.548 -0.117
3.48-11.37 Gyr -0.234 0.106 0.217
11.37-12.64 Gyr -0.240 0.297 0.954