2025hwu

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Information

Transient

Name: AT2025hwu
Right ascension: 4h58m31.19s
Declination: 12d11m34.92s
Discovery Date: March 27, 2025, 3:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.426

Host

Name: 2025hwu
Right ascension: 4h58m31.20s
Declination: 12d11m40.25s
Redshift: 0.063683
Photometric Redshift: 0.057
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 1.8
Cutout download processed 15.97
Global aperture construction processed 0.71
Local aperture photometry processed 5.19
Global aperture photometry processed 5.93
Validate local photometry processed 0.02
Validate global photometry processed 16.47
Host information processed 0.13
Global host SED inference processed 2497.16
Local host SED inference processed 435.11
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.05
Processing status completed N/A N/A
 

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) = 4h58m31.19s, 12d11m34.92s
semi major axis, semi minor axis (arcsec) = 1.63, 1.63
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 1.49 1.22 23.468 0.892 AB
SDSS_g 13.45 1.12 21.078 0.090 AB
PanSTARRS_g 11.85 0.48 21.215 0.044 AB
SDSS_r 28.42 1.62 20.266 0.062 AB
PanSTARRS_r 25.71 0.49 20.375 0.021 AB
SDSS_i 47.95 2.18 19.698 0.049 AB
PanSTARRS_i 44.15 0.65 19.788 0.016 AB
PanSTARRS_z 54.08 1.17 19.567 0.024 AB
SDSS_z 66.11 5.13 19.349 0.084 AB
PanSTARRS_y 67.42 2.85 19.328 0.046 AB

Aperture details

RA, DEC (J2000) = 4h58m31.22s, 12d11m40.83s
semi major axis, semi minor axis (arcsec) = 14.67, 4.63
angle (degrees, anti-clockwise from east) = -154.97

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.12 5.36 20.444 0.241 AB
GALEX_NUV 3.26 1.08 22.617 0.360 AB
SDSS_u 56.48 6.25 19.520 0.120 AB
SDSS_g 225.82 4.96 18.016 0.024 AB
PanSTARRS_g 239.28 2.41 17.953 0.011 AB
SDSS_r 511.98 7.3 17.127 0.015 AB
PanSTARRS_r 549.9 2.47 17.049 0.005 AB
SDSS_i 923.18 10.08 16.487 0.012 AB
PanSTARRS_i 895.17 3.2 16.520 0.004 AB
PanSTARRS_z 1223.35 5.85 16.181 0.005 AB
SDSS_z 1419.04 25.5 16.020 0.020 AB
PanSTARRS_y 1590.42 14.16 15.896 0.010 AB
2MASS_J 2525.31 191.4 14.499 0.082 Vega
2MASS_H 3269.18 287.56 13.746 0.095 Vega
2MASS_K 3929.49 344.4 13.076 0.095 Vega
WISE_W1 1919.99 35.36 12.993 0.020 Vega
WISE_W2 1322.64 35.44 12.757 0.029 Vega
WISE_W3 7205.13 146.8 9.082 0.022 Vega
WISE_W4 7546.3 1056.63 7.586 0.152 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.819 9.064 9.230
{\rm log}_{10}({\rm SFR}) -1.276 -0.635 0.021
{\rm log}_{10}({\rm sSFR}) -10.374 -9.708 -8.825
{\rm stellar\ age} 1.735 5.377 7.393

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.728 -1.189 -0.540
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.636 -0.436 0.272

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.203 0.645 1.068
\delta -0.570 -0.140 0.177
\tau_1/\tau_2 0.716 1.070 1.435
Q_{PAH} 0.606 1.884 4.078
U_{min} 2.999 7.892 14.926
{\rm log}_{10}(\gamma_e)\, -3.163 -2.024 -0.800

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.120 -1.095 -0.270
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.427 1.811

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.466 -1.046 -0.648
0.03-0.10 Gyr -1.391 -0.565 0.162
0.10-0.33 Gyr -1.588 -0.625 -0.005
0.33-1.08 Gyr -1.914 -0.787 -0.319
1.08-3.54 Gyr -2.213 -0.918 -0.572
3.54-11.62 Gyr -2.487 -1.027 -0.677
11.62-12.91 Gyr -2.445 -1.051 -0.420

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.410 10.498 10.550
{\rm log}_{10}({\rm SFR}) -0.008 0.254 0.545
{\rm log}_{10}({\rm sSFR}) -10.483 -10.225 -9.957
{\rm stellar\ age} 4.095 6.013 7.057

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.116 0.047 0.137
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.566 0.121 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.101 0.181 0.303
\delta 0.086 0.277 0.368
\tau_1/\tau_2 0.448 0.772 1.130
Q_{PAH} 3.576 5.019 6.240
U_{min} 2.498 6.731 13.330
{\rm log}_{10}(\gamma_e)\, -2.529 -1.254 -0.432

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.610 -1.602 -1.073
{\rm log}_{10}(\tau_{AGN})\, 1.406 1.860 2.090

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.044 0.154 0.319
0.03-0.10 Gyr -0.168 0.288 0.656
0.10-0.33 Gyr -0.044 0.385 0.661
0.33-1.08 Gyr 0.350 0.590 0.783
1.08-3.54 Gyr 0.542 0.761 0.968
3.54-11.62 Gyr 0.095 0.521 0.668
11.62-12.91 Gyr -0.269 0.494 0.911