2025atb results

Information

Transient
Name:AT2025atb
Right ascension: 15h41m25.62s
Declination:16d21m22.24s
Discovery Date:Feb. 2, 2025, 2:48 p.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:2025atb
Right ascension: 15h41m25.59s
Declination:16d21m21.78s
Redshift:0.084236
Photometric Redshift:0.086
 

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 18.31
Transient MWEBV processed 0.07
Host match processed 1.85
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.58
Global aperture photometry processed 5.6
Validate global photometry processed 16.21
Global host SED inference processed 411.58
Local aperture photometry processed 5.66
Validate local photometry processed 0.02
Local host SED inference processed 431.57
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h41m25.62s, 16d21m22.24s
semi major axis, semi minor axis (arcsec):1.27, 1.27
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 63.02 0.45 19.401 0.008 AB
PanSTARRS_r 129.57 0.39 18.619 0.003 AB
DES_r 149.05 1.17 18.467 0.009 AB
SDSS_i 198.48 3.74 18.156 0.020 AB
PanSTARRS_i 195.49 0.42 18.172 0.002 AB
PanSTARRS_z 226.87 0.84 18.011 0.004 AB
DES_z 238.11 3.9 17.958 0.018 AB
PanSTARRS_y 274.04 2.01 17.805 0.008 AB

Aperture details

RA, DEC (J2000):15h41m25.58s, 16d21m21.86s
semi major axis, semi minor axis (arcsec):5.34, 3.29
angle (degrees, anti-clockwise from east):-80.85
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV -0.36 2.05 AB
SDSS_u 30.32 3.74 20.196 0.134 AB
SDSS_g 129.94 3.14 18.616 0.026 AB
DES_g 147.74 0.75 18.476 0.006 AB
PanSTARRS_g 151.87 1.1 18.446 0.008 AB
SDSS_r 302.56 4.79 17.698 0.017 AB
PanSTARRS_r 304.54 1.06 17.691 0.004 AB
DES_r 334.24 1.84 17.590 0.006 AB
SDSS_i 440.69 6.03 17.290 0.015 AB
PanSTARRS_i 436.99 1.18 17.299 0.003 AB
PanSTARRS_z 537.39 2.44 17.074 0.005 AB
SDSS_z 550.51 11.64 17.048 0.023 AB
DES_z 577.65 6.17 16.996 0.012 AB
PanSTARRS_y 654.6 6.12 16.860 0.010 AB
2MASS_J 918.74 143.4 15.597 0.169 Vega
2MASS_H 1431.64 218.76 14.643 0.166 Vega
2MASS_K 1046.89 249.55 14.512 0.259 Vega
WISE_W1 457.35 14.09 14.550 0.033 Vega
WISE_W2 287.65 18.32 14.414 0.069 Vega
WISE_W3 128.38 56.25 13.455 0.476 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.868 9.966 10.085
{\rm log}_{10}({\rm SFR}) -0.948 -0.444 -0.007
{\rm log}_{10}({\rm sSFR}) -10.903 -10.384 -9.977
{\rm stellar\ age} 6.635 7.741 10.440

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.514 -1.012 -0.681
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.524 0.153 0.355

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.433 0.725 1.038
\delta -0.676 -0.286 0.061
\tau_1/\tau_2 0.722 1.058 1.432
Q_{PAH} 0.627 2.089 4.953
U_{min} 2.669 7.781 14.487
{\rm log}_{10}(\gamma_e)\, -3.383 -2.443 -0.848

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.738 -1.648 -0.709
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.388 1.816

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.716 -0.332 0.009
0.03-0.10 Gyr -1.422 -0.572 -0.006
0.10-0.33 Gyr -1.714 -0.760 -0.230
0.33-1.07 Gyr -1.831 -0.758 -0.205
1.07-3.49 Gyr -1.673 -0.422 0.034
3.49-11.38 Gyr -0.338 0.084 0.249
11.38-12.65 Gyr -0.256 0.358 1.042

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.238 10.320 10.428
{\rm log}_{10}({\rm SFR}) -1.501 -0.647 -0.152
{\rm log}_{10}({\rm sSFR}) -11.829 -10.937 -10.416
{\rm stellar\ age} 7.115 8.001 11.434

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.874 -0.570 -0.380
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.311 0.039 0.343

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.197 0.331 0.508
\delta -0.834 -0.490 -0.092
\tau_1/\tau_2 0.647 1.047 1.442
Q_{PAH} 1.542 3.421 5.518
U_{min} 2.617 7.786 15.222
{\rm log}_{10}(\gamma_e)\, -2.808 -1.707 -0.634

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.825 -2.343 -1.537
{\rm log}_{10}(\tau_{AGN})\, 0.972 1.405 1.853

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.237 -0.533 -0.193
0.03-0.10 Gyr -2.312 -0.756 -0.118
0.10-0.33 Gyr -2.561 -0.910 -0.191
0.33-1.07 Gyr -2.659 -0.907 -0.196
1.07-3.49 Gyr -1.903 -0.388 0.234
3.49-11.38 Gyr -0.309 0.440 0.593
11.38-12.65 Gyr 0.159 0.737 1.531