2025alvh results

Information

Transient
Name:AT2025alvh
Right ascension: 11h04m09.64s
Declination:7d35m08.16s
Discovery Date:Dec. 25, 2025, 2:46 p.m.
Classification:None
Redshift:None
MW E(B-V):0.036
Host
Name:
Right ascension: 11h04m09.64s
Declination:7d35m06.91s
Redshift:None
Photometric Redshift:0.104
 

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: completed

Task Name Status Time (s)
Cutout download processed 17.21
Transient MWEBV processed 0.16
Host match processed 7.49
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.37
Validate global photometry processed 17.6
Global host SED inference processed 503.94
Local aperture photometry processed 6.11
Validate local photometry processed 0.03
Local host SED inference processed 532.16
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h04m09.64s, 7d35m08.16s
semi major axis, semi minor axis (arcsec):1.05, 1.05
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 50.7 1.52 19.637 0.033 AB
PanSTARRS_y 60.3 1.5 19.449 0.027 AB

Aperture details

RA, DEC (J2000):11h04m09.63s, 7d35m07.28s
semi major axis, semi minor axis (arcsec):7.71, 5.27
angle (degrees, anti-clockwise from east):-39.16
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 73.18 4.45 19.239 0.066 AB
SDSS_g 133.61 3.48 18.585 0.028 AB
DES_g 137.52 0.92 18.554 0.007 AB
PanSTARRS_g 143.61 1.36 18.507 0.010 AB
SDSS_r 224.91 4.65 18.020 0.022 AB
PanSTARRS_r 225.8 2.11 18.016 0.010 AB
DES_r 237.65 1.64 17.960 0.008 AB
SDSS_i 315.44 6.4 17.653 0.022 AB
PanSTARRS_i 304.27 1.48 17.692 0.005 AB
PanSTARRS_z 354.71 3.49 17.525 0.011 AB
SDSS_z 416.82 14.98 17.350 0.039 AB
DES_z 357.58 4.53 17.517 0.014 AB
PanSTARRS_y 401.3 9.0 17.391 0.024 AB
2MASS_J 248.31 196.12 17.018 0.857 Vega
2MASS_H 300.82 278.02 16.337 1.003 Vega
2MASS_K 706.38 334.01 14.940 0.513 Vega
WISE_W1 244.29 13.16 15.231 0.058 Vega
WISE_W2 149.16 16.87 15.127 0.123 Vega
WISE_W3 424.81 96.55 12.156 0.247 Vega
WISE_W4 600.09 520.11 10.334 0.941 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.887 9.300 9.584
{\rm log}_{10}({\rm SFR}) -0.761 -0.079 0.393
{\rm log}_{10}({\rm sSFR}) -10.169 -9.428 -8.588
{\rm stellar\ age} 1.260 6.131 8.681

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.220 -0.299 0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.301 -0.549 0.055

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.451 0.997 1.658
\delta -0.508 -0.077 0.201
\tau_1/\tau_2 0.561 0.965 1.403
Q_{PAH} 0.568 2.022 4.931
U_{min} 3.300 8.296 15.702
{\rm log}_{10}(\gamma_e)\, -3.357 -2.036 -0.622

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.793 -1.339 -0.118
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.424 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.520 0.056 0.524
0.03-0.10 Gyr -1.795 -0.394 0.365
0.10-0.33 Gyr -2.979 -1.095 -0.095
0.33-1.06 Gyr -3.409 -1.214 -0.304
1.06-3.43 Gyr -3.305 -1.121 -0.462
3.43-11.16 Gyr -2.763 -0.845 -0.321
11.16-12.40 Gyr -2.588 -0.706 0.243

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.004 10.133 10.253
{\rm log}_{10}({\rm SFR}) -0.108 0.490 1.010
{\rm log}_{10}({\rm sSFR}) -10.284 -9.635 -9.062
{\rm stellar\ age} 5.819 7.126 9.739

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.178 -0.716 -0.431
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.406 0.017 0.363

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.250 0.433
\delta -0.901 -0.676 -0.248
\tau_1/\tau_2 0.418 0.839 1.321
Q_{PAH} 0.587 1.852 3.914
U_{min} 2.536 7.758 14.931
{\rm log}_{10}(\gamma_e)\, -3.183 -2.105 -1.038

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.976 -2.633 -1.783
{\rm log}_{10}(\tau_{AGN})\, 1.000 1.404 1.835

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.839 -0.357 -0.063
0.03-0.10 Gyr -0.018 0.638 1.163
0.10-0.33 Gyr -2.154 -0.232 0.286
0.33-1.06 Gyr -2.940 -0.434 0.057
1.06-3.43 Gyr -1.829 -0.140 0.279
3.43-11.16 Gyr -0.483 0.209 0.409
11.16-12.40 Gyr -0.388 0.390 1.182