2025ahiv results

Information

Transient
Name:AT2025ahiv
Right ascension: 22h23m47.73s
Declination:18d29m25.07s
Discovery Date:Dec. 12, 2025, 2:06 a.m.
Classification:None
Redshift:None
MW E(B-V):0.055
Host
Name:
Right ascension: 22h23m47.72s
Declination:18d29m24.28s
Redshift:None
Photometric Redshift:0.198
 

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_z
SDSS_g
DES_g
DES_r
DES_z
SDSS_u
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 20.06
Transient MWEBV processed 0.05
Host match processed 5.65
Host information processed 0.21
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 6.82
Validate global photometry processed 17.95
Global host SED inference processed 408.82
Local aperture photometry processed 6.58
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):22h23m47.72s, 18d29m24.42s
semi major axis, semi minor axis (arcsec):3.29, 2.98
angle (degrees, anti-clockwise from east):-154.38
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.96 1.51 22.405 0.413 AB
GALEX_NUV 6.47 1.42 21.873 0.239 AB
SDSS_g 27.2 1.67 20.313 0.067 AB
DES_g 26.53 0.31 20.341 0.013 AB
PanSTARRS_g 30.48 0.66 20.190 0.023 AB
SDSS_r 40.11 2.45 19.892 0.066 AB
PanSTARRS_r 43.76 0.74 19.797 0.018 AB
DES_r 44.2 0.82 19.787 0.020 AB
SDSS_i 65.32 3.8 19.362 0.063 AB
PanSTARRS_i 60.87 0.85 19.439 0.015 AB
PanSTARRS_z 66.57 2.02 19.342 0.033 AB
SDSS_z 60.73 10.96 19.442 0.196 AB
DES_z 66.42 1.77 19.344 0.029 AB
PanSTARRS_y 62.12 4.55 19.417 0.080 AB
2MASS_J -19.1 87.84 Vega
2MASS_H -201.9 145.21 Vega
2MASS_K -5.38 158.13 Vega
WISE_W2 79.91 15.4 15.804 0.209 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})\, 9.569 9.766 9.953
{\rm log}_{10}({\rm SFR}) 0.081 0.482 0.840
{\rm log}_{10}({\rm sSFR}) -9.754 -9.293 -8.852
{\rm stellar\ age} 0.907 3.004 4.898

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.530 -0.849 -0.207
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.633 0.267 0.422

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.369 0.643 0.909
\delta -0.102 0.120 0.283
\tau_1/\tau_2 0.726 1.070 1.385
Q_{PAH} 1.132 2.781 4.669
U_{min} 2.929 8.001 15.200
{\rm log}_{10}(\gamma_e)\, -3.137 -2.126 -0.823

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.517 -1.705 -0.983
{\rm log}_{10}(\tau_{AGN})\, 0.924 1.297 1.744

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.016 0.276 0.531
0.03-0.10 Gyr -0.043 0.534 0.957
0.10-0.32 Gyr 0.384 0.742 1.064
0.32-1.01 Gyr -0.216 0.370 0.735
1.01-3.21 Gyr -1.263 -0.175 0.195
3.21-10.19 Gyr -1.820 -0.509 -0.056
10.19-11.33 Gyr -2.000 -0.562 0.066