2025ahoi results

Information

Transient
Name:AT2025ahoi
Right ascension: 12h57m03.94s
Declination:19d25m41.74s
Discovery Date:Dec. 19, 2025, 4:24 a.m.
Classification:None
Redshift:None
MW E(B-V):0.018
Host
Name:
Right ascension: 12h57m03.96s
Declination:19d25m41.37s
Redshift:0.116714
Photometric Redshift:None
 

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: blocked

Task Name Status Time (s)
Cutout download processed 19.88
Transient MWEBV processed 0.12
Host match processed 5.29
Host information processed 0.08
Host MWEBV processed 0.09
Global aperture construction processed 0.61
Global aperture photometry processed 6.96
Validate global photometry processed 27.49
Global host SED inference processed 384.72
Local aperture photometry processed 6.76
Validate local photometry processed 0.03
Local host SED inference not enough filters 22.98
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h57m03.94s, 19d25m41.74s
semi major axis, semi minor axis (arcsec):0.95, 0.95
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 176.56 2.7 18.283 0.017 AB

Aperture details

RA, DEC (J2000):12h57m03.96s, 19d25m41.50s
semi major axis, semi minor axis (arcsec):8.67, 4.33
angle (degrees, anti-clockwise from east):-65.36
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.83 1.66 22.770 0.638 AB
GALEX_NUV 4.93 1.3 22.167 0.287 AB
SDSS_u 24.54 5.3 20.425 0.234 AB
SDSS_g 139.37 3.62 18.540 0.028 AB
DES_g 157.06 0.79 18.410 0.005 AB
PanSTARRS_g 154.77 1.57 18.426 0.011 AB
SDSS_r 367.26 5.78 17.488 0.017 AB
PanSTARRS_r 383.08 2.46 17.442 0.007 AB
DES_r 409.12 2.13 17.370 0.006 AB
SDSS_i 599.54 7.98 16.955 0.014 AB
PanSTARRS_i 590.57 1.9 16.972 0.003 AB
PanSTARRS_z 810.15 3.44 16.629 0.005 AB
SDSS_z 914.73 19.74 16.497 0.023 AB
DES_z 899.04 6.41 16.516 0.008 AB
PanSTARRS_y 974.59 8.36 16.428 0.009 AB
2MASS_J 1659.98 140.53 14.955 0.092 Vega
2MASS_H 1928.5 206.27 14.319 0.116 Vega
2MASS_K 2119.31 236.28 13.747 0.121 Vega
WISE_W1 863.79 19.85 13.860 0.025 Vega
WISE_W2 567.97 23.49 13.675 0.045 Vega
WISE_W3 555.05 85.05 11.865 0.166 Vega
WISE_W4 556.81 515.81 10.416 1.006 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})\, 10.865 10.913 10.979
{\rm log}_{10}({\rm SFR}) -0.215 0.085 0.405
{\rm log}_{10}({\rm sSFR}) -11.149 -10.824 -10.473
{\rm stellar\ age} 7.478 9.256 11.418

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.335 -0.171 -0.048
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.445 -0.765 -0.014

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.322 0.437 0.584
\delta -0.795 -0.611 -0.414
\tau_1/\tau_2 0.633 0.991 1.387
Q_{PAH} 0.696 1.493 2.761
U_{min} 2.510 7.335 14.498
{\rm log}_{10}(\gamma_e)\, -3.081 -2.173 -1.500

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.400 -3.477 -2.511
{\rm log}_{10}(\tau_{AGN})\, 0.972 1.449 1.878

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.339 0.028 0.295
0.03-0.10 Gyr -0.414 0.090 0.495
0.10-0.32 Gyr -1.242 -0.290 0.232
0.32-1.05 Gyr -1.883 -0.624 -0.058
1.05-3.40 Gyr -1.468 -0.392 0.245
3.40-11.03 Gyr -0.183 0.948 1.164
11.03-12.25 Gyr 0.991 1.750 2.120