2025abgi

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Information

Transient

Name: AT2025abgi
Right ascension: 23h57m27.35s
Declination: -2d54m22.50s
Discovery Date: Oct. 21, 2025, 9:06 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: PGC073035
Right ascension: 23h57m28.23s
Declination: -2d54m28.45s
Redshift: None
Photometric Redshift: 0.023
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 8.33
Transient MWEBV processed 0.11
Host match processed 5.83
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 5.78
Validate global photometry processed 13.89
Global host SED inference processed 982.31
Local aperture photometry processed 5.68
Validate local photometry processed 0.02
Local host SED inference processed 463.32
 

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) = 23h57m27.35s, -2d54m22.50s
semi major axis, semi minor axis (arcsec) = 4.34, 4.34
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 100.23 0.5 18.897 0.005 AB
PanSTARRS_g 95.2 1.09 18.953 0.012 AB
PanSTARRS_r 107.32 1.0 18.823 0.010 AB
DES_r 157.77 0.81 18.405 0.006 AB
SDSS_i 160.45 4.66 18.387 0.032 AB
PanSTARRS_i 167.28 1.45 18.341 0.009 AB
PanSTARRS_z 186.48 3.19 18.223 0.019 AB
DES_z 203.79 2.88 18.127 0.015 AB
PanSTARRS_y 254.26 6.83 17.887 0.029 AB
2MASS_J 276.6 99.74 16.900 0.391 Vega
2MASS_H 338.65 155.06 16.208 0.497 Vega
2MASS_K 43.31 186.38 17.971 4.672 Vega

Aperture details

RA, DEC (J2000) = 23h57m28.19s, -2d54m27.99s
semi major axis, semi minor axis (arcsec) = 29.6, 24.1
angle (degrees, anti-clockwise from east) = -23.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 3284.39 2.93 15.109 0.001 AB
PanSTARRS_g 3093.26 6.78 15.174 0.002 AB
PanSTARRS_r 3524.69 6.11 15.032 0.002 AB
DES_r 5387.94 4.78 14.571 0.001 AB
PanSTARRS_i 5864.41 8.77 14.479 0.002 AB
PanSTARRS_y 8576.54 41.72 14.067 0.005 AB
2MASS_J 9138.85 616.72 13.103 0.073 Vega
2MASS_H 9853.5 958.45 12.548 0.106 Vega
2MASS_K 9216.7 1153.07 12.151 0.136 Vega
WISE_W1 4477.8 53.09 12.073 0.013 Vega
WISE_W3 5519.59 393.22 9.371 0.077 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})\, 8.156 8.548 8.716
{\rm log}_{10}({\rm SFR}) -1.554 -0.930 -0.431
{\rm log}_{10}({\rm sSFR}) -10.260 -9.474 -8.563
{\rm stellar\ age} 3.652 6.926 8.813

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.066 -0.589 -0.232
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.955 -0.638 -0.390

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.460 0.864 1.196
\delta -0.362 0.032 0.263
\tau_1/\tau_2 0.490 0.876 1.340
Q_{PAH} 0.419 1.933 3.618
U_{min} 2.889 7.921 14.676
{\rm log}_{10}(\gamma_e)\, -3.473 -2.339 -1.174

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.258 -2.848 -0.482
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.472 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.224 -0.840 -0.546
0.03-0.10 Gyr -2.147 -1.040 -0.380
0.10-0.33 Gyr -2.835 -1.670 -1.029
0.33-1.10 Gyr -3.185 -1.880 -1.315
1.10-3.65 Gyr -2.995 -1.699 -1.247
3.65-12.11 Gyr -2.489 -1.483 -1.143
12.11-13.45 Gyr -2.616 -1.467 -0.717

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.133 10.204 10.302
{\rm log}_{10}({\rm SFR}) -0.346 -0.045 0.273
{\rm log}_{10}({\rm sSFR}) -10.593 -10.248 -9.901
{\rm stellar\ age} 8.251 10.168 12.640

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.402 -0.254 -0.113
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.801 -0.176 -0.072

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.090 0.145 0.241
\delta -0.843 -0.397 0.079
\tau_1/\tau_2 0.419 0.918 1.483
Q_{PAH} 0.052 0.185 0.445
U_{min} 2.744 7.413 14.475
{\rm log}_{10}(\gamma_e)\, -3.688 -3.128 -2.275

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.619 -2.322 -1.748
{\rm log}_{10}(\tau_{AGN})\, 0.985 1.313 1.692

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.047 0.240 0.449
0.03-0.10 Gyr -2.275 -0.419 0.224
0.10-0.33 Gyr -3.811 -1.488 -0.720
0.33-1.10 Gyr -4.055 -1.700 -0.879
1.10-3.65 Gyr -3.192 -1.397 -0.559
3.65-12.11 Gyr -1.282 0.175 0.384
12.11-13.45 Gyr 0.329 1.002 1.407