2025alkf

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Information

Transient

Name: AT2025alkf
Right ascension: 10h48m17.32s
Declination: -9d43m04.76s
Discovery Date: Dec. 28, 2025, noon
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 10h48m17.22s
Declination: -9d43m04.54s
Redshift: None
Photometric Redshift: 0.070
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.28
Transient MWEBV processed 1.29
Host match processed 5.15
Host information processed 0.12
Host MWEBV processed 0.03
Global aperture construction processed 0.65
Global aperture photometry processed 5.58
Validate global photometry processed 15.65
Global host SED inference processed 465.58
Local aperture photometry processed 5.65
Validate local photometry processed 0.02
Local host SED inference processed 468.74
 

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) = 10h48m17.32s, -9d43m04.76s
semi major axis, semi minor axis (arcsec) = 1.51, 1.51
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 32.84 0.48 20.109 0.016 AB
PanSTARRS_g 25.47 0.31 20.385 0.013 AB
PanSTARRS_r 40.52 0.54 19.881 0.014 AB
DES_r 55.75 1.03 19.534 0.020 AB
PanSTARRS_i 51.22 0.56 19.626 0.012 AB
PanSTARRS_z 63.36 1.14 19.396 0.019 AB
DES_z 74.66 3.84 19.217 0.056 AB
PanSTARRS_y 66.14 2.9 19.349 0.048 AB

Aperture details

RA, DEC (J2000) = 10h48m17.21s, -9d43m04.34s
semi major axis, semi minor axis (arcsec) = 4.67, 4.13
angle (degrees, anti-clockwise from east) = -175.26

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.7 3.94 20.910 0.272 AB
GALEX_NUV 13.05 1.66 21.111 0.138 AB
DES_g 113.08 1.01 18.767 0.010 AB
PanSTARRS_g 106.73 0.88 18.829 0.009 AB
PanSTARRS_r 169.49 1.53 18.327 0.010 AB
DES_r 190.72 2.08 18.199 0.012 AB
PanSTARRS_i 218.73 1.59 18.050 0.008 AB
PanSTARRS_z 255.57 3.24 17.881 0.014 AB
DES_z 263.87 7.62 17.847 0.031 AB
PanSTARRS_y 280.1 8.29 17.782 0.032 AB
2MASS_J 227.38 107.57 17.113 0.514 Vega
2MASS_H 643.79 156.81 15.511 0.264 Vega
2MASS_K 631.94 234.99 15.061 0.404 Vega
WISE_W1 117.9 1.84 16.022 0.017 Vega
WISE_W2 69.0 2.21 15.964 0.035 Vega
WISE_W3 49.92 8.59 14.480 0.187 Vega
WISE_W4 6.13 29.21 15.311 5.171 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})\, 8.696 8.885 8.999
{\rm log}_{10}({\rm SFR}) -1.192 -0.692 -0.148
{\rm log}_{10}({\rm sSFR}) -10.117 -9.600 -8.878
{\rm stellar\ age} 2.693 5.292 6.725

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.773 -0.248 0.021
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.701 -1.157 -0.028

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.208 0.445 0.800
\delta -0.787 -0.411 -0.021
\tau_1/\tau_2 0.730 1.063 1.416
Q_{PAH} 1.176 3.226 5.647
U_{min} 3.310 8.658 15.880
{\rm log}_{10}(\gamma_e)\, -2.665 -1.513 -0.461

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.248 -1.036 -0.290
{\rm log}_{10}(\tau_{AGN})\, 1.174 1.683 2.050

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.262 -0.895 -0.553
0.03-0.10 Gyr -1.263 -0.657 -0.027
0.10-0.33 Gyr -1.251 -0.697 -0.270
0.33-1.07 Gyr -1.449 -0.818 -0.490
1.07-3.52 Gyr -1.676 -1.030 -0.770
3.52-11.55 Gyr -1.904 -1.172 -0.915
11.55-12.84 Gyr -2.084 -1.201 -0.716

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.624 9.686 9.798
{\rm log}_{10}({\rm SFR}) -1.072 -0.723 -0.370
{\rm log}_{10}({\rm sSFR}) -10.780 -10.433 -10.097
{\rm stellar\ age} 7.049 7.807 10.590

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.319 -1.041 -0.823
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.624 -0.180 0.349

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.022 0.072 0.154
\delta -0.497 -0.075 0.255
\tau_1/\tau_2 0.591 0.962 1.352
Q_{PAH} 0.606 1.640 3.306
U_{min} 3.080 8.876 16.332
{\rm log}_{10}(\gamma_e)\, -1.784 -0.981 -0.413

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.154 -3.035 -2.151
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.457 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.817 -1.506 -1.171
0.03-0.10 Gyr -0.997 -0.591 -0.213
0.10-0.33 Gyr -1.170 -0.635 -0.339
0.33-1.07 Gyr -2.049 -0.827 -0.526
1.07-3.52 Gyr -1.844 -0.718 -0.359
3.52-11.55 Gyr -0.593 -0.182 -0.058
11.55-12.84 Gyr -0.500 0.040 0.786