2025abyi

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Information

Transient

Name: AT2025abyi
Right ascension: 8h42m40.52s
Declination: 0d53m46.18s
Discovery Date: Oct. 27, 2025, 11:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name: 1178479
Right ascension: 8h42m40.56s
Declination: 0d53m47.83s
Redshift: None
Photometric Redshift: 0.096
 

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 4.43
Cutout download processed 17.98
Global aperture construction processed 0.65
Local aperture photometry processed 6.46
Global aperture photometry processed 6.52
Validate local photometry processed 0.03
Validate global photometry processed 18.02
Host information processed 0.13
Global host SED inference processed 368.2
Local host SED inference processed 550.16
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.04
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) = 8h42m40.52s, 0d53m46.18s
semi major axis, semi minor axis (arcsec) = 1.13, 1.13
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 53.87 0.53 19.572 0.011 AB
PanSTARRS_i 56.62 0.42 19.518 0.008 AB
PanSTARRS_z 67.61 0.92 19.325 0.015 AB
DES_z 94.61 1.93 18.960 0.022 AB
PanSTARRS_y 85.43 2.51 19.071 0.032 AB

Aperture details

RA, DEC (J2000) = 8h42m40.48s, 0d53m48.08s
semi major axis, semi minor axis (arcsec) = 6.15, 4.35
angle (degrees, anti-clockwise from east) = -38.11

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.91 0.52 22.740 0.195 AB
GALEX_NUV 7.34 0.51 21.736 0.075 AB
SDSS_u 58.86 4.53 19.476 0.084 AB
SDSS_g 174.77 3.72 18.294 0.023 AB
DES_g 188.0 0.65 18.215 0.004 AB
PanSTARRS_g 194.0 1.35 18.181 0.008 AB
SDSS_r 357.2 5.43 17.518 0.017 AB
PanSTARRS_r 372.59 1.54 17.472 0.004 AB
DES_r 412.36 1.53 17.362 0.004 AB
SDSS_i 580.62 7.57 16.990 0.014 AB
PanSTARRS_i 565.9 1.85 17.018 0.004 AB
PanSTARRS_z 704.68 4.15 16.780 0.006 AB
SDSS_z 741.34 17.04 16.725 0.025 AB
DES_z 775.8 5.7 16.676 0.008 AB
PanSTARRS_y 904.88 11.36 16.509 0.014 AB
2MASS_J 1066.93 173.39 15.435 0.176 Vega
2MASS_H 1583.48 234.22 14.533 0.161 Vega
2MASS_K 1597.37 298.22 14.054 0.203 Vega
WISE_W1 676.36 17.42 14.126 0.028 Vega
WISE_W2 536.37 21.38 13.737 0.043 Vega
WISE_W3 2125.22 91.87 10.407 0.047 Vega
WISE_W4 4461.15 701.95 8.156 0.171 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})\, 8.790 9.144 9.353
{\rm log}_{10}({\rm SFR}) -0.692 -0.118 0.524
{\rm log}_{10}({\rm sSFR}) -9.953 -9.289 -8.308
{\rm stellar\ age} 0.309 2.972 6.110

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.532 -0.103 0.097
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.364 -0.258 0.260

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.398 0.791 1.128
\delta -0.615 -0.223 0.101
\tau_1/\tau_2 0.766 1.147 1.517
Q_{PAH} 1.406 3.584 5.816
U_{min} 3.471 9.065 16.798
{\rm log}_{10}(\gamma_e)\, -2.764 -1.229 -0.294

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.073 -0.994 -0.136
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.743 2.072

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.816 -0.352 0.040
0.03-0.10 Gyr -0.930 -0.092 0.660
0.10-0.33 Gyr -1.212 -0.138 0.447
0.33-1.06 Gyr -2.864 -0.559 0.031
1.06-3.45 Gyr -3.613 -1.154 -0.501
3.45-11.25 Gyr -4.273 -1.402 -0.638
11.25-12.50 Gyr -4.331 -1.378 -0.472

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.472 10.520 10.567
{\rm log}_{10}({\rm SFR}) 0.218 0.495 0.777
{\rm log}_{10}({\rm sSFR}) -10.313 -10.037 -9.698
{\rm stellar\ age} 6.811 7.442 8.820

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.225 -0.096 -0.002
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.195 0.331 0.433

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.295 0.372 0.518
\delta -0.955 -0.849 -0.667
\tau_1/\tau_2 0.635 0.998 1.346
Q_{PAH} 0.474 1.286 2.513
U_{min} 2.262 6.649 13.501
{\rm log}_{10}(\gamma_e)\, -2.715 -1.505 -0.774

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.334 -1.648 -1.245
{\rm log}_{10}(\tau_{AGN})\, 1.190 1.536 1.817

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.089 0.221 0.343
0.03-0.10 Gyr 0.229 0.578 0.902
0.10-0.33 Gyr -0.159 0.150 0.410
0.33-1.06 Gyr -0.319 -0.002 0.218
1.06-3.45 Gyr -0.115 0.266 0.509
3.45-11.25 Gyr 0.488 0.691 0.777
11.25-12.50 Gyr 0.366 0.836 1.334