2025alnx

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Information

Transient

Name: AT2025alnx
Right ascension: 4h36m25.92s
Declination: -21d30m05.37s
Discovery Date: Dec. 12, 2025, 4:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 4h36m25.98s
Declination: -21d30m05.18s
Redshift: None
Photometric Redshift: 0.110
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.84
Transient MWEBV processed 0.04
Host match processed 5.92
Host information processed 0.16
Host MWEBV processed 0.09
Global aperture construction processed 0.64
Global aperture photometry processed 4.26
Validate global photometry processed 11.9
Global host SED inference processed 451.97
Local aperture photometry processed 4.38
Validate local photometry processed 0.02
Local host SED inference not enough filters 20.15
 

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) = 4h36m25.92s, -21d30m05.37s
semi major axis, semi minor axis (arcsec) = 1.0, 1.0
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 89.48 1.07 19.021 0.013 AB

Aperture details

RA, DEC (J2000) = 4h36m25.97s, -21d30m04.92s
semi major axis, semi minor axis (arcsec) = 3.94, 3.56
angle (degrees, anti-clockwise from east) = -172.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 90.3 1.04 19.011 0.013 AB
PanSTARRS_r 178.37 1.28 18.272 0.008 AB
PanSTARRS_i 233.69 1.18 17.978 0.006 AB
PanSTARRS_z 271.33 3.32 17.816 0.013 AB
DES_z 299.79 2.04 17.708 0.007 AB
PanSTARRS_y 324.12 6.73 17.623 0.023 AB
2MASS_J 467.49 110.66 16.331 0.257 Vega
2MASS_H 457.88 169.45 15.881 0.402 Vega
2MASS_K 153.88 212.77 16.594 1.501 Vega
WISE_W1 161.25 8.88 15.682 0.060 Vega
WISE_W2 96.42 11.56 15.601 0.130 Vega
WISE_W3 174.23 53.46 13.123 0.333 Vega
WISE_W4 186.29 339.75 11.605 1.980 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.012 10.148 10.233
{\rm log}_{10}({\rm SFR}) -2.602 -1.199 -0.420
{\rm log}_{10}({\rm sSFR}) -12.725 -11.345 -10.513
{\rm stellar\ age} 5.426 7.188 8.989

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.328 -1.040 -0.779
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.261 -0.615 -0.135

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.112 0.219 0.371
\delta -0.925 -0.732 -0.349
\tau_1/\tau_2 0.521 0.892 1.273
Q_{PAH} 0.694 2.035 4.212
U_{min} 2.693 8.279 15.413
{\rm log}_{10}(\gamma_e)\, -2.301 -1.358 -0.519

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.299 -3.137 -2.059
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.496 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.833 -1.144 -0.499
0.03-0.10 Gyr -3.437 -1.299 -0.376
0.10-0.32 Gyr -3.097 -1.077 -0.116
0.32-1.05 Gyr -2.494 -0.665 0.139
1.05-3.42 Gyr -1.383 -0.039 0.367
3.42-11.10 Gyr -0.441 0.285 0.469
11.10-12.34 Gyr -0.745 0.292 1.058