2025ytb results

Information

Transient
Name:AT2025ytb
Right ascension: 3h20m02.38s
Declination:2d26m48.25s
Discovery Date:Sept. 23, 2025, 1:15 p.m.
Classification:None
Redshift:None
MW E(B-V):0.096
Host
Name:
Right ascension: 3h20m02.40s
Declination:2d26m43.59s
Redshift:None
Photometric Redshift:0.129
 

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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 2.24
Transient MWEBV processed 0.1
Host match processed 5.61
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 5.78
Validate global photometry processed 15.94
Global host SED inference processed 409.59
Local aperture photometry processed 5.67
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):3h20m02.35s, 2d26m43.24s
semi major axis, semi minor axis (arcsec):6.98, 3.31
angle (degrees, anti-clockwise from east):-133.77
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.19 2.14 21.758 0.322 AB
GALEX_NUV 3.91 1.66 22.420 0.462 AB
SDSS_u 22.51 3.53 20.519 0.170 AB
SDSS_g 75.87 2.84 19.200 0.041 AB
DES_g 79.52 0.45 19.149 0.006 AB
PanSTARRS_g 87.96 1.28 19.039 0.016 AB
SDSS_r 177.85 4.19 18.275 0.026 AB
PanSTARRS_r 174.24 1.34 18.297 0.008 AB
DES_r 175.31 1.06 18.290 0.007 AB
SDSS_i 257.69 5.46 17.872 0.023 AB
PanSTARRS_i 263.46 1.51 17.848 0.006 AB
PanSTARRS_z 337.15 3.2 17.580 0.010 AB
SDSS_z 342.04 14.31 17.565 0.045 AB
PanSTARRS_y 387.38 7.34 17.430 0.021 AB
2MASS_J 665.69 182.09 15.947 0.297 Vega
2MASS_H 631.32 224.01 15.532 0.385 Vega
2MASS_K 773.01 277.53 14.842 0.390 Vega
WISE_W1 250.74 14.78 15.203 0.064 Vega
WISE_W2 163.5 16.17 15.027 0.107 Vega
WISE_W3 279.16 82.8 12.611 0.322 Vega
WISE_W4 262.13 459.44 11.234 1.903 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.439 10.479 10.532
{\rm log}_{10}({\rm SFR}) -0.535 -0.155 0.242
{\rm log}_{10}({\rm sSFR}) -10.998 -10.617 -10.246
{\rm stellar\ age} 6.856 7.500 9.022

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.631 -0.490 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.653 -0.238 0.259

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.189 0.302
\delta -0.822 -0.527 -0.182
\tau_1/\tau_2 0.575 0.940 1.312
Q_{PAH} 0.524 1.540 3.392
U_{min} 2.415 7.154 14.074
{\rm log}_{10}(\gamma_e)\, -2.742 -1.902 -1.043

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.324 -3.257 -2.142
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.532 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.312 -0.123 0.068
0.03-0.10 Gyr -0.803 -0.178 0.318
0.10-0.32 Gyr -0.991 -0.327 0.057
0.32-1.04 Gyr -0.917 -0.368 -0.051
1.04-3.37 Gyr -0.587 0.043 0.418
3.37-10.89 Gyr 0.476 0.686 0.773
10.89-12.10 Gyr 0.379 0.856 1.388