2025alum results

Information

Transient
Name:AT2025alum
Right ascension: 1h39m59.68s
Declination:1d23m22.95s
Discovery Date:Dec. 14, 2025, 6:12 a.m.
Classification:None
Redshift:None
MW E(B-V):0.029
Host
Name:
Right ascension: 1h39m59.85s
Declination:1d23m27.90s
Redshift:None
Photometric Redshift:0.029
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.58
Transient MWEBV processed 0.05
Host match processed 5.78
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.27
Validate global photometry processed 18.84
Global host SED inference processed 378.34
Local aperture photometry processed 5.66
Validate local photometry processed 0.03
Local host SED inference processed 547.35
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h39m59.68s, 1d23m22.95s
semi major axis, semi minor axis (arcsec):3.39, 3.39
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 93.23 3.29 18.976 0.038 AB
SDSS_g 201.73 3.88 18.138 0.021 AB
DES_g 201.94 0.53 18.137 0.003 AB
PanSTARRS_g 164.97 0.87 18.357 0.006 AB
SDSS_r 264.63 4.49 17.843 0.018 AB
PanSTARRS_r 248.73 1.19 17.911 0.005 AB
DES_r 305.46 0.77 17.688 0.003 AB
SDSS_i 346.77 5.4 17.550 0.017 AB
PanSTARRS_i 286.95 0.96 17.755 0.004 AB
PanSTARRS_z 319.97 2.16 17.637 0.007 AB
SDSS_z 396.15 10.47 17.405 0.029 AB
DES_z 379.48 2.04 17.452 0.006 AB
PanSTARRS_y 382.62 6.78 17.443 0.019 AB
2MASS_J 608.82 66.87 16.044 0.119 Vega
2MASS_H 741.7 106.41 15.357 0.156 Vega
2MASS_K 336.72 136.83 15.744 0.441 Vega

Aperture details

RA, DEC (J2000):1h39m59.81s, 1d23m28.59s
semi major axis, semi minor axis (arcsec):11.38, 8.64
angle (degrees, anti-clockwise from east):-104.73
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 195.41 2.57 18.173 0.014 AB
GALEX_NUV 317.34 1.88 17.646 0.006 AB
SDSS_u 677.33 9.3 16.823 0.015 AB
SDSS_g 1913.55 11.9 15.695 0.007 AB
DES_g 1958.47 1.64 15.670 0.001 AB
PanSTARRS_g 1964.85 2.62 15.667 0.001 AB
SDSS_r 2728.13 14.28 15.310 0.006 AB
PanSTARRS_r 2923.67 3.54 15.235 0.001 AB
DES_r 3070.43 2.42 15.182 0.001 AB
SDSS_i 3441.8 16.82 15.058 0.005 AB
PanSTARRS_i 3394.35 2.84 15.073 0.001 AB
PanSTARRS_z 3841.3 6.37 14.939 0.002 AB
SDSS_z 4044.65 31.42 14.883 0.008 AB
DES_z 4078.15 6.62 14.874 0.002 AB
PanSTARRS_y 4431.57 19.85 14.784 0.005 AB
2MASS_J 5285.87 202.44 13.697 0.042 Vega
2MASS_H 5743.82 321.22 13.134 0.061 Vega
2MASS_K 4752.26 414.65 12.870 0.095 Vega
WISE_W1 2865.03 32.78 12.558 0.012 Vega
WISE_W2 2012.81 38.79 12.301 0.021 Vega
WISE_W3 13475.98 152.43 8.402 0.012 Vega
WISE_W4 19949.37 1252.63 6.530 0.068 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.528 8.814 9.007
{\rm log}_{10}({\rm SFR}) -0.886 -0.231 0.272
{\rm log}_{10}({\rm sSFR}) -9.798 -9.012 -8.206
{\rm stellar\ age} 1.556 5.632 7.768

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.510 -0.682 -0.171
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.295 0.162 0.376

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.496 1.108
\delta -0.718 -0.124 0.150
\tau_1/\tau_2 0.507 0.912 1.377
Q_{PAH} 0.562 1.882 3.651
U_{min} 3.111 8.693 16.430
{\rm log}_{10}(\gamma_e)\, -3.509 -2.477 -1.151

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.310 -2.535 -0.661
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.433 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.975 -0.713 -0.319
0.03-0.10 Gyr -0.883 -0.123 0.400
0.10-0.33 Gyr -2.188 -1.036 -0.446
0.33-1.10 Gyr -3.266 -1.396 -0.848
1.10-3.63 Gyr -3.171 -1.269 -0.868
3.63-12.03 Gyr -3.298 -1.324 -0.931
12.03-13.36 Gyr -3.505 -1.365 -0.630

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.848 9.939 10.026
{\rm log}_{10}({\rm SFR}) 0.267 0.460 0.658
{\rm log}_{10}({\rm sSFR}) -9.710 -9.473 -9.236
{\rm stellar\ age} 5.430 6.705 7.818

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.899 -0.644 -0.486
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.903 -1.754 -1.275

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.268 0.424 0.632
\delta -0.423 -0.201 -0.042
\tau_1/\tau_2 0.828 1.172 1.519
Q_{PAH} 0.821 1.593 2.676
U_{min} 2.349 6.599 13.176
{\rm log}_{10}(\gamma_e)\, -3.472 -2.488 -1.844

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.682 -2.039 -1.613
{\rm log}_{10}(\tau_{AGN})\, 1.097 1.553 1.902

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.027 0.172 0.322
0.03-0.10 Gyr 0.329 0.548 0.767
0.10-0.33 Gyr 0.008 0.342 0.626
0.33-1.10 Gyr -0.393 -0.060 0.195
1.10-3.63 Gyr -0.353 -0.068 0.131
3.63-12.03 Gyr -0.224 -0.003 0.149
12.03-13.36 Gyr -0.374 0.068 0.448