2025alln

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Information

Transient

Name: AT2025alln
Right ascension: 10h27m56.65s
Declination: 1d32m32.00s
Discovery Date: Dec. 20, 2025, 9:05 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 1198058
Right ascension: 10h27m56.67s
Declination: 1d32m33.80s
Redshift: 0.090323
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.78
Transient MWEBV processed 0.04
Host match processed 4.41
Host information processed 0.08
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 6.6
Validate global photometry processed 17.98
Global host SED inference processed 441.81
Local aperture photometry processed 5.63
Validate local photometry processed 0.03
Local host SED inference processed 595.81
 

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) = 10h27m56.65s, 1d32m32.00s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
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 73.31 0.66 19.237 0.010 AB
PanSTARRS_i 72.5 0.34 19.249 0.005 AB
PanSTARRS_z 93.22 0.9 18.976 0.010 AB
DES_z 142.89 1.89 18.512 0.014 AB
PanSTARRS_y 106.22 1.79 18.834 0.018 AB

Aperture details

RA, DEC (J2000) = 10h27m56.67s, 1d32m34.58s
semi major axis, semi minor axis (arcsec) = 9.76, 4.94
angle (degrees, anti-clockwise from east) = -143.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.61 1.05 20.849 0.069 AB
GALEX_NUV 26.83 0.86 20.328 0.035 AB
SDSS_u 126.37 6.29 18.646 0.054 AB
SDSS_g 387.58 5.6 17.429 0.016 AB
PanSTARRS_g 412.38 1.9 17.362 0.005 AB
SDSS_r 797.64 8.15 16.645 0.011 AB
PanSTARRS_r 810.68 2.11 16.628 0.003 AB
DES_r 810.92 2.27 16.628 0.003 AB
SDSS_i 1184.38 10.68 16.216 0.010 AB
PanSTARRS_i 1162.04 1.89 16.237 0.002 AB
PanSTARRS_z 1460.74 5.11 15.989 0.004 AB
SDSS_z 1598.96 26.53 15.890 0.018 AB
DES_z 1422.19 6.1 16.018 0.005 AB
PanSTARRS_y 1704.48 10.29 15.821 0.007 AB
2MASS_J 1756.67 204.5 14.893 0.126 Vega
2MASS_H 2959.26 256.49 13.854 0.094 Vega
2MASS_K 2812.92 349.48 13.439 0.135 Vega
WISE_W1 1136.51 4.03 13.562 0.004 Vega
WISE_W2 695.09 4.17 13.456 0.007 Vega
WISE_W3 1495.2 13.67 10.789 0.010 Vega
WISE_W4 1514.34 56.25 9.329 0.040 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})\, 8.957 9.347 9.561
{\rm log}_{10}({\rm SFR}) -0.807 -0.012 0.588
{\rm log}_{10}({\rm sSFR}) -10.300 -9.348 -8.379
{\rm stellar\ age} 1.145 5.495 7.804

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.813 -0.098 0.124
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.553 -0.742 0.158

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.230 0.689 1.060
\delta -0.732 -0.342 0.027
\tau_1/\tau_2 0.827 1.220 1.598
Q_{PAH} 0.959 3.247 5.969
U_{min} 3.384 8.801 16.352
{\rm log}_{10}(\gamma_e)\, -3.034 -1.550 -0.324

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.988 -0.704 -0.029
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.592 1.979

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.792 -0.287 0.163
0.03-0.10 Gyr -0.992 0.015 0.703
0.10-0.33 Gyr -1.801 -0.415 0.305
0.33-1.06 Gyr -2.417 -0.752 -0.141
1.06-3.47 Gyr -2.603 -0.871 -0.391
3.47-11.32 Gyr -2.481 -0.785 -0.325
11.32-12.57 Gyr -2.359 -0.695 0.076

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.726 10.769 10.849
{\rm log}_{10}({\rm SFR}) 0.212 0.482 0.783
{\rm log}_{10}({\rm sSFR}) -10.592 -10.300 -9.984
{\rm stellar\ age} 7.376 8.294 10.982

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.619 -0.448 -0.337
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.403 0.133 0.378

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.171 0.238 0.361
\delta -0.895 -0.682 -0.404
\tau_1/\tau_2 0.609 1.006 1.427
Q_{PAH} 0.491 1.258 2.573
U_{min} 2.330 6.865 13.729
{\rm log}_{10}(\gamma_e)\, -3.383 -2.606 -1.752

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.415 -3.502 -2.575
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.524 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.084 0.158 0.309
0.03-0.10 Gyr 0.239 0.579 0.919
0.10-0.33 Gyr -0.686 0.053 0.406
0.33-1.06 Gyr -1.215 -0.192 0.199
1.06-3.47 Gyr -1.036 -0.026 0.460
3.47-11.32 Gyr 0.360 0.915 1.025
11.32-12.57 Gyr 0.745 1.321 1.904