2025aaxx results

Information

Transient
Name:AT2025aaxx
Right ascension: 8h44m50.08s
Declination:-1d46m12.67s
Discovery Date:Oct. 16, 2025, 12:20 p.m.
Classification:None
Redshift:None
MW E(B-V):0.034
Host
Name:181127
Right ascension: 8h44m49.75s
Declination:-1d46m05.58s
Redshift:0.047940
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
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_z
 GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.92
Transient MWEBV processed 0.04
Host match processed 5.19
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 7.63
Validate global photometry processed 17.81
Global host SED inference processed 398.34
Local aperture photometry processed 6.95
Validate local photometry processed 0.03
Local host SED inference processed 438.2
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h44m50.08s, -1d46m12.67s
semi major axis, semi minor axis (arcsec):2.13, 2.13
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 16.14 1.89 20.880 0.127 AB
SDSS_g 46.93 1.89 19.721 0.044 AB
DES_g 49.47 0.31 19.664 0.007 AB
PanSTARRS_g 47.35 0.53 19.712 0.012 AB
SDSS_r 76.37 2.49 19.193 0.035 AB
PanSTARRS_r 74.06 0.59 19.226 0.009 AB
DES_r 86.81 0.63 19.054 0.008 AB
SDSS_i 101.6 2.95 18.883 0.032 AB
PanSTARRS_i 95.58 0.7 18.949 0.008 AB
PanSTARRS_z 109.02 1.48 18.806 0.015 AB
SDSS_z 117.08 6.33 18.729 0.059 AB
DES_z 130.5 1.47 18.611 0.012 AB
PanSTARRS_y 149.9 3.52 18.461 0.025 AB

Aperture details

RA, DEC (J2000):8h44m49.74s, -1d46m05.40s
semi major axis, semi minor axis (arcsec):17.83, 6.17
angle (degrees, anti-clockwise from east):-17.95
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 90.69 1.18 19.006 0.014 AB
SDSS_u 389.35 9.41 17.424 0.026 AB
SDSS_g 1156.56 9.38 16.242 0.009 AB
DES_g 1111.5 1.49 16.285 0.001 AB
PanSTARRS_g 1263.6 2.62 16.146 0.002 AB
SDSS_r 2214.68 13.25 15.537 0.006 AB
PanSTARRS_r 2278.85 2.93 15.506 0.001 AB
DES_r 2254.6 3.2 15.517 0.002 AB
SDSS_i 3139.65 16.04 15.158 0.006 AB
PanSTARRS_i 3182.42 3.52 15.143 0.001 AB
PanSTARRS_z 3869.92 7.34 14.931 0.002 AB
SDSS_z 4103.49 32.69 14.867 0.009 AB
DES_z 3946.85 7.99 14.909 0.002 AB
PanSTARRS_y 5166.36 17.26 14.617 0.004 AB
2MASS_J 6038.17 265.63 13.553 0.048 Vega
2MASS_H 7565.87 364.3 12.835 0.052 Vega
2MASS_K 6515.64 536.11 12.527 0.089 Vega
WISE_W1 3406.49 39.67 12.370 0.013 Vega
WISE_W2 2145.03 45.66 12.232 0.023 Vega
WISE_W3 6674.37 145.08 9.165 0.024 Vega
WISE_W4 6459.65 1018.97 7.754 0.171 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.631 8.887 9.030
{\rm log}_{10}({\rm SFR}) -1.134 -0.668 -0.196
{\rm log}_{10}({\rm sSFR}) -10.139 -9.582 -8.929
{\rm stellar\ age} 2.355 5.510 7.274

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.060 -0.351 0.045
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.156 0.056 0.253

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.316 0.693 1.052
\delta -0.650 -0.307 0.072
\tau_1/\tau_2 0.773 1.112 1.446
Q_{PAH} 0.589 2.209 4.437
U_{min} 2.783 7.696 14.530
{\rm log}_{10}(\gamma_e)\, -3.307 -2.291 -1.008

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.034 -2.359 -0.605
{\rm log}_{10}(\tau_{AGN})\, 0.988 1.366 1.816

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.960 -0.607 -0.332
0.03-0.10 Gyr -1.359 -0.722 -0.130
0.10-0.33 Gyr -1.488 -0.828 -0.338
0.33-1.09 Gyr -1.670 -0.946 -0.559
1.09-3.58 Gyr -1.839 -1.066 -0.772
3.58-11.80 Gyr -2.138 -1.182 -0.865
11.80-13.12 Gyr -2.290 -1.263 -0.658

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.582 10.655 10.719
{\rm log}_{10}({\rm SFR}) 0.129 0.658 1.077
{\rm log}_{10}({\rm sSFR}) -10.573 -9.994 -9.518
{\rm stellar\ age} 7.441 8.196 10.727

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.401 -0.233 -0.110
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.208 0.334 0.434

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.266 0.389 0.546
\delta -0.698 -0.453 0.063
\tau_1/\tau_2 0.411 0.777 1.133
Q_{PAH} 0.598 1.478 2.693
U_{min} 2.941 7.598 14.704
{\rm log}_{10}(\gamma_e)\, -3.105 -2.040 -1.281

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.869 -2.685 -1.919
{\rm log}_{10}(\tau_{AGN})\, 1.067 1.542 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.285 0.073 0.314
0.03-0.10 Gyr 0.159 0.787 1.222
0.10-0.33 Gyr -1.221 -0.081 0.329
0.33-1.09 Gyr -1.486 -0.243 0.102
1.09-3.58 Gyr -0.802 0.048 0.462
3.58-11.80 Gyr 0.329 0.784 0.903
11.80-13.12 Gyr 0.431 1.048 1.683