2025alwk results

Information

Transient
Name:AT2025alwk
Right ascension: 8h31m12.68s
Declination:25d32m02.61s
Discovery Date:Dec. 22, 2025, 5:02 p.m.
Classification:None
Redshift:None
MW E(B-V):0.048
Host
Name:1740074
Right ascension: 8h31m12.70s
Declination:25d32m02.64s
Redshift:0.089154
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 14.73
Transient MWEBV processed 0.04
Host match processed 4.55
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 4.95
Validate global photometry processed 14.71
Global host SED inference processed 480.42
Local aperture photometry processed 4.88
Validate local photometry processed 0.02
Local host SED inference processed 513.46
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h31m12.68s, 25d32m02.61s
semi major axis, semi minor axis (arcsec):1.2, 1.2
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 252.92 0.42 17.893 0.002 AB
PanSTARRS_i 346.8 0.45 17.550 0.001 AB
PanSTARRS_z 499.41 1.1 17.154 0.002 AB
PanSTARRS_y 577.27 2.19 16.997 0.004 AB

Aperture details

RA, DEC (J2000):8h31m12.68s, 25d32m02.41s
semi major axis, semi minor axis (arcsec):7.87, 5.76
angle (degrees, anti-clockwise from east):-10.11
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 49.58 5.18 19.662 0.113 AB
SDSS_g 339.69 5.1 17.572 0.016 AB
PanSTARRS_g 377.82 1.78 17.457 0.005 AB
SDSS_r 820.48 7.94 16.615 0.011 AB
PanSTARRS_r 836.15 1.7 16.594 0.002 AB
SDSS_i 1234.73 10.23 16.171 0.009 AB
PanSTARRS_i 1225.7 2.02 16.179 0.002 AB
PanSTARRS_z 1599.49 5.42 15.890 0.004 AB
SDSS_z 1651.0 18.63 15.856 0.012 AB
PanSTARRS_y 1940.34 11.89 15.680 0.007 AB
2MASS_J 2472.83 137.36 14.522 0.060 Vega
2MASS_H 3065.67 207.57 13.816 0.074 Vega
2MASS_K 2694.83 228.31 13.486 0.092 Vega
WISE_W1 1157.5 24.65 13.542 0.023 Vega
WISE_W2 663.69 28.95 13.506 0.047 Vega
WISE_W3 -55.62 86.07 Vega
WISE_W4 -327.84 458.45 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.207 10.353 10.449
{\rm log}_{10}({\rm SFR}) -1.507 -0.454 0.274
{\rm log}_{10}({\rm sSFR}) -11.882 -10.799 -10.092
{\rm stellar\ age} 4.514 7.218 9.633

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.712 -0.132 0.075
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.471 -0.707 -0.041

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.158 0.514 1.223
\delta -0.547 -0.144 0.204
\tau_1/\tau_2 0.651 1.013 1.399
Q_{PAH} 0.729 2.923 5.530
U_{min} 3.259 8.948 16.490
{\rm log}_{10}(\gamma_e)\, -3.221 -1.667 -0.446

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.590 -1.154 -0.478
{\rm log}_{10}(\tau_{AGN})\, 1.008 1.427 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.401 -1.146 -0.341
0.03-0.10 Gyr -1.644 -0.386 0.401
0.10-0.33 Gyr -1.183 -0.167 0.708
0.33-1.06 Gyr -1.312 -0.104 0.613
1.06-3.47 Gyr -1.236 0.071 0.555
3.47-11.33 Gyr -0.571 0.367 0.612
11.33-12.59 Gyr -0.444 0.562 1.340

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.647 10.815 10.930
{\rm log}_{10}({\rm SFR}) -3.173 -0.948 -0.124
{\rm log}_{10}({\rm sSFR}) -14.109 -11.738 -10.906
{\rm stellar\ age} 5.128 7.382 10.588

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.234 -0.867 -0.677
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.466 -0.626 0.111

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.374 0.527 0.735
\delta -0.942 -0.789 -0.558
\tau_1/\tau_2 0.574 0.965 1.377
Q_{PAH} 0.392 1.390 3.106
U_{min} 3.067 9.428 17.540
{\rm log}_{10}(\gamma_e)\, -2.268 -1.465 -0.796

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.510 -3.565 -2.578
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.577 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.309 -1.374 -0.418
0.03-0.10 Gyr -3.817 -1.021 -0.032
0.10-0.33 Gyr -3.221 -0.701 0.344
0.33-1.06 Gyr -2.457 -0.293 0.645
1.06-3.47 Gyr -1.590 0.463 1.090
3.47-11.33 Gyr -0.778 0.896 1.123
11.33-12.59 Gyr -0.995 0.919 1.939