2025alva results

Information

Transient
Name:AT2025alva
Right ascension: 2h28m41.13s
Declination:-24d24m09.40s
Discovery Date:Dec. 27, 2025, 5:24 a.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:
Right ascension: 2h28m41.38s
Declination:-24d24m05.54s
Redshift:None
Photometric Redshift:0.123
 

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
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 7.02
Transient MWEBV processed 0.04
Host match processed 6.17
Host information processed 0.16
Host MWEBV processed 0.1
Global aperture construction processed 0.63
Global aperture photometry processed 4.72
Validate global photometry processed 13.63
Global host SED inference processed 419.2
Local aperture photometry processed 4.56
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):2h28m41.36s, -24d24m05.39s
semi major axis, semi minor axis (arcsec):8.55, 7.77
angle (degrees, anti-clockwise from east):-124.59
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.47 4.35 20.429 0.193 AB
GALEX_NUV 23.92 0.91 20.453 0.042 AB
PanSTARRS_g 300.55 2.04 17.705 0.007 AB
PanSTARRS_r 541.6 2.94 17.066 0.006 AB
DES_r 610.5 0.92 16.936 0.002 AB
PanSTARRS_i 771.24 2.39 16.682 0.003 AB
PanSTARRS_z 925.43 6.15 16.484 0.007 AB
DES_z 1008.8 3.68 16.390 0.004 AB
PanSTARRS_y 1105.93 15.47 16.291 0.015 AB
2MASS_J 1478.78 233.79 15.080 0.172 Vega
2MASS_H 897.69 327.52 15.150 0.396 Vega
2MASS_K 1136.0 407.47 14.424 0.389 Vega
WISE_W1 593.58 17.04 14.267 0.031 Vega
WISE_W2 342.83 20.58 14.223 0.065 Vega
WISE_W3 428.51 69.43 12.146 0.176 Vega
WISE_W4 583.62 405.77 10.365 0.755 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})\, 10.758 10.801 10.852
{\rm log}_{10}({\rm SFR}) -0.225 0.048 0.340
{\rm log}_{10}({\rm sSFR}) -11.023 -10.754 -10.454
{\rm stellar\ age} 6.863 7.492 9.227

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.734 -0.594 -0.502
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.738 0.176 0.403

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.055 0.096 0.160
\delta -0.776 -0.444 -0.114
\tau_1/\tau_2 0.638 1.011 1.382
Q_{PAH} 0.566 1.733 3.852
U_{min} 2.348 7.576 15.164
{\rm log}_{10}(\gamma_e)\, -2.239 -1.279 -0.436

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.464 -3.427 -2.383
{\rm log}_{10}(\tau_{AGN})\, 1.192 1.697 2.011

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.669 -0.258 -0.059
0.03-0.10 Gyr -0.230 0.127 0.479
0.10-0.32 Gyr -0.168 0.215 0.492
0.32-1.05 Gyr -0.299 0.156 0.452
1.05-3.39 Gyr -0.259 0.367 0.728
3.39-10.96 Gyr 0.783 1.000 1.096
10.96-12.18 Gyr 0.677 1.162 1.742