2025ayh results

Information

Transient
Name:AT2025ayh
Right ascension: 18h42m20.56s
Declination:81d20m58.33s
Discovery Date:Feb. 4, 2025, 3:03 p.m.
Classification:None
Redshift:None
MW E(B-V):0.050
Host
Name:2025ayh
Right ascension: 18h42m20.65s
Declination:81d20m57.99s
Redshift:0.071207
Photometric Redshift:0.070
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 3.31
Transient MWEBV processed 0.08
Host match processed 1.97
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 3.72
Validate global photometry processed 10.88
Global host SED inference processed 407.28
Local aperture photometry processed 3.32
Validate local photometry processed 0.02
Local host SED inference processed 564.22
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h42m20.56s, 81d20m58.33s
semi major axis, semi minor axis (arcsec):1.47, 1.47
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 149.45 0.41 18.464 0.003 AB
PanSTARRS_r 363.26 0.71 17.499 0.002 AB
PanSTARRS_i 566.57 0.61 17.017 0.001 AB
PanSTARRS_z 784.4 1.46 16.664 0.002 AB
PanSTARRS_y 970.71 3.47 16.432 0.004 AB

Aperture details

RA, DEC (J2000):18h42m20.61s, 81d20m58.04s
semi major axis, semi minor axis (arcsec):16.22, 4.94
angle (degrees, anti-clockwise from east):-74.02
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.46 2.86 20.859 0.189 AB
GALEX_NUV 15.98 2.4 20.891 0.163 AB
PanSTARRS_g 705.38 2.12 16.779 0.003 AB
PanSTARRS_r 1539.56 3.48 15.932 0.002 AB
PanSTARRS_i 2395.18 3.11 15.452 0.001 AB
PanSTARRS_z 3117.48 8.04 15.165 0.003 AB
PanSTARRS_y 4066.73 19.99 14.877 0.005 AB
2MASS_J 6134.74 214.34 13.536 0.038 Vega
2MASS_H 7375.05 305.19 12.863 0.045 Vega
2MASS_K 7125.17 433.45 12.430 0.066 Vega
WISE_W1 3369.38 25.77 12.382 0.008 Vega
WISE_W2 2086.43 29.46 12.262 0.015 Vega
WISE_W3 3249.65 98.94 9.946 0.033 Vega
WISE_W4 3234.08 669.8 8.506 0.225 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.340 10.466 10.585
{\rm log}_{10}({\rm SFR}) -3.235 -1.372 -0.255
{\rm log}_{10}({\rm sSFR}) -13.546 -11.836 -10.709
{\rm stellar\ age} 6.686 8.082 11.905

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.721 -0.368 -0.127
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.580 -0.668 0.122

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.412 0.748 1.119
\delta -0.768 -0.432 0.042
\tau_1/\tau_2 0.617 1.002 1.385
Q_{PAH} 0.668 2.454 5.275
U_{min} 2.934 8.548 16.338
{\rm log}_{10}(\gamma_e)\, -3.297 -1.882 -0.464

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.624 -1.063 -0.375
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.482 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.887 -1.690 -0.761
0.03-0.10 Gyr -3.651 -1.438 -0.169
0.10-0.33 Gyr -3.367 -1.376 -0.201
0.33-1.07 Gyr -3.808 -1.400 -0.106
1.07-3.52 Gyr -3.085 -0.721 0.457
3.52-11.53 Gyr -1.091 0.492 0.738
11.53-12.81 Gyr -0.159 0.861 1.674

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.058 11.105 11.175
{\rm log}_{10}({\rm SFR}) -0.823 -0.491 -0.202
{\rm log}_{10}({\rm sSFR}) -11.946 -11.602 -11.290
{\rm stellar\ age} 7.922 9.702 11.978

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.139 -0.018 0.076
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.039 0.119 0.409

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.187 0.265 0.358
\delta -0.398 -0.100 0.137
\tau_1/\tau_2 0.438 0.844 1.268
Q_{PAH} 1.399 3.200 4.903
U_{min} 2.567 8.092 15.417
{\rm log}_{10}(\gamma_e)\, -2.191 -1.338 -0.627

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.452 -3.521 -2.433
{\rm log}_{10}(\tau_{AGN})\, 1.107 1.637 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.554 -0.244 -0.033
0.03-0.10 Gyr -2.320 -0.821 -0.225
0.10-0.33 Gyr -2.285 -0.865 -0.230
0.33-1.07 Gyr -2.147 -0.868 -0.207
1.07-3.52 Gyr -1.572 -0.327 0.362
3.52-11.53 Gyr -0.051 1.118 1.333
11.53-12.81 Gyr 1.234 1.929 2.295