2025alix

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Information

Transient

Name: AT2025alix
Right ascension: 9h05m51.83s
Declination: 51d03m37.24s
Discovery Date: Dec. 29, 2025, 8:22 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.020

Host

Name: 3132499
Right ascension: 9h05m51.88s
Declination: 51d03m36.66s
Redshift: None
Photometric Redshift: 0.061
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.64
Transient MWEBV processed 0.04
Host match processed 4.49
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 6.08
Validate global photometry processed 17.99
Global host SED inference processed 383.1
Local aperture photometry processed 6.03
Validate local photometry processed 0.03
Local host SED inference processed 505.31
 

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) = 9h05m51.83s, 51d03m37.24s
semi major axis, semi minor axis (arcsec) = 1.7, 1.7
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 26.23 1.9 20.353 0.079 AB
SDSS_g 90.37 2.51 19.010 0.030 AB
DES_g 83.46 0.8 19.096 0.010 AB
PanSTARRS_g 98.39 0.5 18.918 0.005 AB
SDSS_r 158.33 3.35 18.401 0.023 AB
PanSTARRS_r 176.99 0.61 18.280 0.004 AB
SDSS_i 243.84 4.3 17.932 0.019 AB
PanSTARRS_i 228.3 0.56 18.004 0.003 AB
PanSTARRS_z 286.56 1.38 17.757 0.005 AB
SDSS_z 301.48 6.98 17.702 0.025 AB
DES_z 319.94 3.53 17.637 0.012 AB
PanSTARRS_y 325.58 3.37 17.618 0.011 AB

Aperture details

RA, DEC (J2000) = 9h05m51.95s, 51d03m37.79s
semi major axis, semi minor axis (arcsec) = 10.23, 4.59
angle (degrees, anti-clockwise from east) = -125.77

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.87 4.29 20.550 0.213 AB
GALEX_NUV 35.02 2.45 20.039 0.076 AB
SDSS_u 104.47 6.34 18.853 0.066 AB
SDSS_g 344.5 5.17 17.557 0.016 AB
DES_g 344.82 1.66 17.556 0.005 AB
PanSTARRS_g 366.94 1.88 17.489 0.006 AB
SDSS_r 593.62 7.06 16.966 0.013 AB
PanSTARRS_r 597.98 2.29 16.958 0.004 AB
SDSS_i 811.21 9.45 16.627 0.013 AB
PanSTARRS_i 814.12 2.1 16.623 0.003 AB
PanSTARRS_z 948.91 5.38 16.457 0.006 AB
SDSS_z 1005.06 23.16 16.395 0.025 AB
DES_z 1021.7 6.61 16.377 0.007 AB
PanSTARRS_y 1055.43 13.36 16.341 0.014 AB
2MASS_J 1360.3 164.85 15.171 0.132 Vega
2MASS_H 1330.8 310.9 14.722 0.254 Vega
2MASS_K 1552.12 300.24 14.085 0.210 Vega
WISE_W1 679.82 15.76 14.120 0.025 Vega
WISE_W2 443.57 20.35 13.944 0.050 Vega
WISE_W3 1396.11 85.17 10.864 0.066 Vega
WISE_W4 1328.75 603.59 9.471 0.493 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})\, 9.710 9.800 9.906
{\rm log}_{10}({\rm SFR}) -1.473 -0.729 -0.283
{\rm log}_{10}({\rm sSFR}) -11.265 -10.551 -10.082
{\rm stellar\ age} 7.231 8.247 11.560

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.316 -0.806 -0.501
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.787 -0.744 0.281

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.194 0.599 0.973
\delta -0.437 0.027 0.279
\tau_1/\tau_2 0.604 1.000 1.373
Q_{PAH} 0.871 2.946 5.286
U_{min} 3.026 8.446 15.952
{\rm log}_{10}(\gamma_e)\, -3.181 -1.702 -0.620

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.510 -1.391 -0.440
{\rm log}_{10}(\tau_{AGN})\, 0.956 1.424 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.051 -1.050 -0.527
0.03-0.10 Gyr -1.558 -0.694 -0.180
0.10-0.33 Gyr -2.052 -0.862 -0.315
0.33-1.08 Gyr -2.786 -1.090 -0.480
1.08-3.55 Gyr -2.674 -0.959 -0.279
3.55-11.65 Gyr -0.794 -0.096 0.062
11.65-12.95 Gyr -0.368 0.263 0.956

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.130 10.207 10.302
{\rm log}_{10}({\rm SFR}) -0.387 0.053 0.373
{\rm log}_{10}({\rm sSFR}) -10.631 -10.151 -9.781
{\rm stellar\ age} 6.995 7.726 10.259

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.248 -0.875 -0.628
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.701 -0.548 0.278

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.271 0.417 0.605
\delta -0.347 -0.080 0.157
\tau_1/\tau_2 0.602 0.964 1.346
Q_{PAH} 0.606 1.817 3.887
U_{min} 2.662 7.956 15.620
{\rm log}_{10}(\gamma_e)\, -3.178 -1.959 -1.243

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.338 -2.142 -1.595
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.456 1.848

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.821 -1.110 -0.577
0.03-0.10 Gyr -0.294 0.199 0.536
0.10-0.33 Gyr -0.732 0.005 0.342
0.33-1.08 Gyr -1.302 -0.282 0.032
1.08-3.55 Gyr -1.550 -0.216 0.165
3.55-11.65 Gyr -0.077 0.343 0.480
11.65-12.95 Gyr -0.092 0.518 1.240