2025xeg

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Information

Transient

Name: AT2025xeg
Right ascension: 7h56m26.81s
Declination: -78d41m57.78s
Discovery Date: Sept. 10, 2025, 8:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.100

Host

Name:
Right ascension: 7h56m22.78s
Declination: -78d42m00.20s
Redshift: 0.015704
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.86
Transient MWEBV processed 0.11
Host match processed 5.41
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.14
Global aperture photometry processed 0.8
Validate global photometry processed 0.97
Global host SED inference processed 494.9
Local aperture photometry processed 1.0
Validate local photometry processed 0.01
Local host SED inference processed 531.53
 

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) = 7h56m26.81s, -78d41m57.78s
semi major axis, semi minor axis (arcsec) = 6.25, 6.25
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 33.73 4.16 20.080 0.134 AB
GALEX_NUV 45.52 2.69 19.755 0.064 AB
2MASS_J 3257.85 203.88 14.223 0.068 Vega
2MASS_H 4814.96 276.96 13.326 0.062 Vega
2MASS_K 3401.68 329.78 13.233 0.105 Vega
WISE_W1 2116.05 17.35 12.887 0.009 Vega

Aperture details

RA, DEC (J2000) = 7h56m22.90s, -78d42m00.90s
semi major axis, semi minor axis (arcsec) = 26.97, 11.77
angle (degrees, anti-clockwise from east) = -138.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 184.99 10.37 18.232 0.061 AB
GALEX_NUV 301.68 7.16 17.701 0.026 AB
2MASS_J 42110.42 583.35 11.444 0.015 Vega
2MASS_H 57840.2 790.51 10.627 0.015 Vega
2MASS_K 49321.23 942.2 10.330 0.021 Vega
WISE_W1 26011.98 70.01 10.163 0.003 Vega
WISE_W2 16267.12 69.06 10.033 0.005 Vega
WISE_W3 64359.64 189.74 6.704 0.003 Vega
WISE_W4 65810.47 2687.24 5.234 0.044 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})\, 9.289 9.446 9.636
{\rm log}_{10}({\rm SFR}) -1.280 -0.841 -0.418
{\rm log}_{10}({\rm sSFR}) -10.743 -10.308 -9.863
{\rm stellar\ age} 5.731 7.612 10.751

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.217 -0.431 -0.072
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.352 -0.634 -0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.239 0.480 0.787
\delta -0.515 -0.175 0.106
\tau_1/\tau_2 0.396 0.757 1.167
Q_{PAH} 0.301 1.133 3.165
U_{min} 2.561 7.703 15.051
{\rm log}_{10}(\gamma_e)\, -3.609 -2.660 -1.330

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.352 -3.115 -1.736
{\rm log}_{10}(\tau_{AGN})\, 0.890 1.393 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.175 -0.720 -0.332
0.03-0.10 Gyr -2.196 -1.151 -0.447
0.10-0.33 Gyr -2.434 -1.249 -0.637
0.33-1.10 Gyr -2.072 -0.883 -0.344
1.10-3.67 Gyr -2.060 -0.715 -0.380
3.67-12.19 Gyr -1.304 -0.568 -0.289
12.19-13.55 Gyr -1.105 -0.376 0.548

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.448 10.567 10.678
{\rm log}_{10}({\rm SFR}) -0.336 0.081 0.541
{\rm log}_{10}({\rm sSFR}) -10.910 -10.483 -10.004
{\rm stellar\ age} 6.371 7.984 10.811

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.788 -0.283 -0.038
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.275 -0.436 0.058

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.282 0.460 0.798
\delta -0.655 -0.296 -0.019
\tau_1/\tau_2 0.212 0.614 1.087
Q_{PAH} 0.911 2.470 4.502
U_{min} 1.960 5.881 12.536
{\rm log}_{10}(\gamma_e)\, -3.607 -2.757 -1.830

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.525 -2.265 -1.567
{\rm log}_{10}(\tau_{AGN})\, 1.149 1.668 2.008

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.375 0.087 0.487
0.03-0.10 Gyr -1.264 -0.073 0.625
0.10-0.33 Gyr -1.836 -0.267 0.317
0.33-1.10 Gyr -1.484 -0.079 0.444
1.10-3.67 Gyr -1.013 0.276 0.730
3.67-12.19 Gyr 0.037 0.636 0.813
12.19-13.55 Gyr 0.139 0.802 1.582