2025alvi results

Information

Transient
Name:AT2025alvi
Right ascension: 23h20m46.61s
Declination:-0d06m27.62s
Discovery Date:Nov. 23, 2025, 4:57 a.m.
Classification:None
Redshift:None
MW E(B-V):0.036
Host
Name:
Right ascension: 23h20m46.61s
Declination:-0d06m23.51s
Redshift:None
Photometric Redshift:0.172
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 17.24
Transient MWEBV processed 0.11
Host match processed 6.78
Host information processed 0.12
Host MWEBV processed 0.11
Global aperture construction processed 0.64
Global aperture photometry processed 5.86
Validate global photometry processed 17.65
Global host SED inference processed 410.44
Local aperture photometry processed 5.67
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):23h20m46.61s, -0d06m23.50s
semi major axis, semi minor axis (arcsec):6.74, 3.72
angle (degrees, anti-clockwise from east):-22.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 11.8 3.89 21.220 0.358 AB
SDSS_g 51.97 2.47 19.611 0.052 AB
DES_g 55.18 0.83 19.546 0.016 AB
PanSTARRS_g 61.34 1.14 19.431 0.020 AB
SDSS_r 99.81 3.66 18.902 0.040 AB
PanSTARRS_r 104.06 1.85 18.857 0.019 AB
DES_r 109.84 0.54 18.798 0.005 AB
SDSS_i 141.14 5.51 18.526 0.042 AB
PanSTARRS_i 148.09 2.3 18.474 0.017 AB
PanSTARRS_z 144.9 3.55 18.497 0.027 AB
SDSS_z 218.32 18.82 18.052 0.094 AB
DES_z 172.18 3.58 18.310 0.023 AB
PanSTARRS_y 155.01 8.24 18.424 0.058 AB
2MASS_J 290.7 126.57 16.846 0.473 Vega
2MASS_H 195.19 201.93 16.806 1.123 Vega
2MASS_K 308.11 236.69 15.840 0.834 Vega
WISE_W1 103.29 11.42 16.166 0.120 Vega
WISE_W2 61.65 14.02 16.086 0.247 Vega
WISE_W3 171.08 72.46 13.143 0.460 Vega
WISE_W4 190.94 547.43 11.578 3.113 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})\, 9.922 10.060 10.196
{\rm log}_{10}({\rm SFR}) -0.216 0.163 0.524
{\rm log}_{10}({\rm sSFR}) -10.359 -9.915 -9.487
{\rm stellar\ age} 2.037 4.187 5.875

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.429 -0.997 -0.512
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.730 -0.053 0.277

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.270 0.400 0.538
\delta -0.885 -0.666 -0.350
\tau_1/\tau_2 0.677 1.047 1.411
Q_{PAH} 0.633 1.900 4.215
U_{min} 2.548 7.553 14.551
{\rm log}_{10}(\gamma_e)\, -3.194 -2.407 -1.470

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.280 -3.107 -1.937
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.507 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.016 0.236 0.459
0.03-0.10 Gyr -0.580 0.113 0.568
0.10-0.32 Gyr -0.293 0.378 0.827
0.32-1.02 Gyr 0.151 0.591 0.919
1.02-3.27 Gyr -0.113 0.319 0.594
3.27-10.46 Gyr -0.933 -0.018 0.345
10.46-11.62 Gyr -1.233 -0.134 0.436