2025acfg

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Information

Transient

Name: AT2025acfg
Right ascension: 8h47m46.72s
Declination: 42d43m55.68s
Discovery Date: Nov. 2, 2025, 1:30 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.022

Host

Name: 2204978
Right ascension: 8h47m46.82s
Declination: 42d43m51.87s
Redshift: None
Photometric Redshift: 0.095
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 9.57
Transient MWEBV processed 0.03
Host match processed 3.62
Host information processed 0.1
Host MWEBV processed 0.12
Global aperture construction processed 0.63
Global aperture photometry processed 4.6
Validate global photometry processed 12.84
Global host SED inference processed 428.85
Local aperture photometry processed 4.46
Validate local photometry processed 0.02
Local host SED inference processed 489.31
 

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) = 8h47m46.72s, 42d43m55.68s
semi major axis, semi minor axis (arcsec) = 1.14, 1.14
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 12.62 0.25 21.147 0.022 AB
PanSTARRS_z 14.48 0.8 20.998 0.060 AB
PanSTARRS_y 21.21 2.22 20.584 0.114 AB

Aperture details

RA, DEC (J2000) = 8h47m46.80s, 42d43m51.98s
semi major axis, semi minor axis (arcsec) = 7.09, 4.66
angle (degrees, anti-clockwise from east) = -89.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.96 1.56 21.962 0.283 AB
GALEX_NUV 13.6 1.37 21.066 0.110 AB
SDSS_u 33.1 4.18 20.100 0.137 AB
PanSTARRS_g 256.59 1.81 17.877 0.008 AB
PanSTARRS_r 531.02 2.11 17.087 0.004 AB
PanSTARRS_i 733.51 1.28 16.736 0.002 AB
PanSTARRS_z 920.93 4.04 16.489 0.005 AB
SDSS_z 1023.06 18.4 16.375 0.020 AB
PanSTARRS_y 1136.8 11.1 16.261 0.011 AB
2MASS_J 1442.55 146.52 15.107 0.110 Vega
2MASS_H 1427.26 225.78 14.646 0.172 Vega
2MASS_K 1443.0 228.53 14.164 0.172 Vega
WISE_W1 668.19 16.24 14.139 0.026 Vega
WISE_W2 411.9 18.32 14.024 0.048 Vega
WISE_W3 277.47 63.3 12.618 0.248 Vega
WISE_W4 945.27 513.97 9.841 0.590 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})\, 8.404 8.794 9.007
{\rm log}_{10}({\rm SFR}) -1.538 -0.734 -0.142
{\rm log}_{10}({\rm sSFR}) -10.398 -9.586 -8.571
{\rm stellar\ age} 0.919 6.086 7.836

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.317 -0.435 0.018
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.158 -0.560 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.486 1.093 1.736
\delta -0.357 0.035 0.277
\tau_1/\tau_2 0.544 0.955 1.365
Q_{PAH} 0.963 2.946 5.301
U_{min} 3.116 8.330 15.783
{\rm log}_{10}(\gamma_e)\, -2.967 -1.913 -0.725

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.558 -1.008 0.106
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.499 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.603 -0.771 -0.244
0.03-0.10 Gyr -1.943 -0.907 -0.097
0.10-0.33 Gyr -2.483 -1.311 -0.491
0.33-1.06 Gyr -3.029 -1.501 -0.844
1.06-3.46 Gyr -3.493 -1.433 -0.920
3.46-11.27 Gyr -3.414 -1.256 -0.861
11.27-12.52 Gyr -3.203 -1.248 -0.515

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.607 10.646 10.723
{\rm log}_{10}({\rm SFR}) -0.494 -0.161 0.151
{\rm log}_{10}({\rm sSFR}) -11.145 -10.812 -10.503
{\rm stellar\ age} 7.418 8.442 11.169

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.581 -0.445 -0.346
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.398 -0.474 0.199

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.197 0.300
\delta -0.892 -0.697 -0.455
\tau_1/\tau_2 0.637 1.034 1.454
Q_{PAH} 0.594 1.801 3.607
U_{min} 2.762 8.160 15.333
{\rm log}_{10}(\gamma_e)\, -2.311 -1.463 -0.694

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.471 -3.536 -2.421
{\rm log}_{10}(\tau_{AGN})\, 1.105 1.617 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.232 -0.552 -0.270
0.03-0.10 Gyr -0.488 -0.070 0.288
0.10-0.33 Gyr -0.432 -0.005 0.301
0.33-1.06 Gyr -0.942 -0.250 0.106
1.06-3.46 Gyr -1.030 -0.217 0.248
3.46-11.27 Gyr 0.084 0.787 0.903
11.27-12.52 Gyr 0.671 1.238 1.821