2025abfa

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Information

Transient

Name: AT2025abfa
Right ascension: 21h54m57.69s
Declination: 1d49m21.32s
Discovery Date: Oct. 18, 2025, 9:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name:
Right ascension: 21h54m57.64s
Declination: 1d49m20.51s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.99
Transient MWEBV processed 0.04
Host match processed 6.15
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.18
Validate global photometry processed 17.55
Global host SED inference processed 383.94
Local aperture photometry processed 6.08
Validate local photometry processed 0.03
Local host SED inference processed 652.26
 

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) = 21h54m57.69s, 1d49m21.32s
semi major axis, semi minor axis (arcsec) = 1.07, 1.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 48.17 1.01 19.693 0.023 AB
PanSTARRS_y 41.94 2.09 19.843 0.054 AB

Aperture details

RA, DEC (J2000) = 21h54m57.62s, 1d49m20.69s
semi major axis, semi minor axis (arcsec) = 5.85, 3.51
angle (degrees, anti-clockwise from east) = -131.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.7 0.69 20.982 0.051 AB
GALEX_NUV 20.28 0.5 20.632 0.027 AB
SDSS_u 35.13 4.07 20.036 0.126 AB
SDSS_g 97.63 2.85 18.926 0.032 AB
DES_g 96.18 0.52 18.942 0.006 AB
PanSTARRS_g 102.9 1.1 18.869 0.012 AB
SDSS_r 137.26 3.61 18.556 0.029 AB
PanSTARRS_r 143.13 1.25 18.511 0.009 AB
DES_r 143.87 0.85 18.505 0.006 AB
SDSS_i 176.73 4.84 18.282 0.030 AB
PanSTARRS_i 181.57 1.0 18.252 0.006 AB
PanSTARRS_z 194.22 4.65 18.179 0.026 AB
SDSS_z 238.36 13.19 17.957 0.060 AB
DES_z 196.79 2.24 18.165 0.012 AB
PanSTARRS_y 209.49 8.68 18.097 0.045 AB
2MASS_J 252.04 133.96 17.001 0.577 Vega
2MASS_H 491.81 217.19 15.803 0.479 Vega
2MASS_K 189.48 213.53 16.368 1.224 Vega
WISE_W1 96.44 11.53 16.240 0.130 Vega
WISE_W2 73.11 17.25 15.901 0.256 Vega
WISE_W3 161.51 55.18 13.206 0.371 Vega
WISE_W4 587.55 423.11 10.357 0.782 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})\, 8.864 9.140 9.428
{\rm log}_{10}({\rm SFR}) -0.963 -0.278 0.320
{\rm log}_{10}({\rm sSFR}) -10.210 -9.485 -8.709
{\rm stellar\ age} 1.858 5.729 8.132

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.653 -1.029 -0.122
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.438 -0.782 -0.182

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.368 0.685 1.131
\delta -0.698 -0.266 0.237
\tau_1/\tau_2 0.421 0.841 1.285
Q_{PAH} 0.544 2.315 5.429
U_{min} 3.216 8.465 15.555
{\rm log}_{10}(\gamma_e)\, -3.257 -2.288 -1.009

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.245 -1.279 -0.198
{\rm log}_{10}(\tau_{AGN})\, 1.069 1.540 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.767 -0.161 0.257
0.03-0.10 Gyr -2.102 -0.551 0.347
0.10-0.33 Gyr -2.853 -1.195 -0.389
0.33-1.06 Gyr -2.838 -1.003 -0.250
1.06-3.44 Gyr -2.789 -1.014 -0.544
3.44-11.19 Gyr -2.473 -0.987 -0.513
11.19-12.43 Gyr -2.350 -0.920 0.031

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.631 9.726 9.854
{\rm log}_{10}({\rm SFR}) -0.197 0.102 0.375
{\rm log}_{10}({\rm sSFR}) -9.931 -9.643 -9.315
{\rm stellar\ age} 4.691 5.903 7.094

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.441 -0.920 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.473 -0.390 0.169

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.244 0.424
\delta -0.397 -0.026 0.207
\tau_1/\tau_2 0.714 1.062 1.416
Q_{PAH} 0.718 2.318 4.477
U_{min} 2.692 8.009 14.687
{\rm log}_{10}(\gamma_e)\, -2.307 -1.121 -0.290

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.088 -2.633 -1.457
{\rm log}_{10}(\tau_{AGN})\, 1.117 1.596 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.764 -0.456 -0.263
0.03-0.10 Gyr -0.121 0.230 0.516
0.10-0.33 Gyr 0.025 0.292 0.529
0.33-1.06 Gyr -0.427 -0.089 0.136
1.06-3.44 Gyr -0.482 -0.193 0.006
3.44-11.19 Gyr -0.494 -0.230 -0.032
11.19-12.43 Gyr -0.676 -0.148 0.321