2025ehk results

Information

Transient
Name:AT2025ehk
Right ascension: 13h12m28.79s
Declination:-0d40m42.49s
Discovery Date:Feb. 8, 2025, 10:19 p.m.
Classification:None
Redshift:None
MW E(B-V):0.023
Host
Name:3109422
Right ascension: 13h12m28.80s
Declination:-0d40m43.10s
Redshift:None
Photometric Redshift:0.082
 

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_r
DES_g
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.24
Transient MWEBV processed 0.03
Host match processed 3.75
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.55
Validate global photometry processed 17.2
Global host SED inference processed 372.5
Local aperture photometry processed 5.32
Validate local photometry processed 0.03
Local host SED inference processed 470.86
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):13h12m28.79s, -0d40m42.49s
semi major axis, semi minor axis (arcsec):1.29, 1.29
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 63.37 0.39 19.395 0.007 AB
DES_r 62.51 0.72 19.410 0.013 AB
SDSS_i 81.67 2.5 19.120 0.033 AB
PanSTARRS_i 88.7 0.48 19.030 0.006 AB
PanSTARRS_z 83.75 0.87 19.092 0.011 AB
SDSS_z 94.63 4.12 18.960 0.047 AB
PanSTARRS_y 90.75 1.86 19.005 0.022 AB

Aperture details

RA, DEC (J2000):13h12m28.77s, -0d40m42.93s
semi major axis, semi minor axis (arcsec):4.5, 3.2
angle (degrees, anti-clockwise from east):-147.51
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.05 2.13 21.111 0.177 AB
GALEX_NUV 18.51 0.85 20.732 0.050 AB
SDSS_u 37.18 2.8 19.974 0.082 AB
SDSS_g 104.04 2.85 18.857 0.030 AB
PanSTARRS_g 121.84 1.06 18.685 0.009 AB
SDSS_r 144.86 3.51 18.498 0.026 AB
PanSTARRS_r 155.2 1.06 18.423 0.007 AB
DES_r 156.95 1.22 18.411 0.008 AB
SDSS_i 183.1 4.37 18.243 0.026 AB
PanSTARRS_i 216.24 1.29 18.063 0.006 AB
PanSTARRS_z 201.99 2.42 18.137 0.013 AB
SDSS_z 190.8 10.34 18.199 0.059 AB
PanSTARRS_y 202.86 5.3 18.132 0.028 AB
2MASS_J -14.16 117.72 Vega
2MASS_H 19.15 211.38 19.327 11.987 Vega
2MASS_K 271.48 196.23 15.978 0.785 Vega
WISE_W1 104.54 10.47 16.153 0.109 Vega
WISE_W2 62.29 14.63 16.075 0.255 Vega
WISE_W3 104.04 68.9 13.683 0.719 Vega
WISE_W4 86.26 446.16 12.441 5.616 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.139 9.356 9.509
{\rm log}_{10}({\rm SFR}) -0.881 -0.344 0.150
{\rm log}_{10}({\rm sSFR}) -10.226 -9.695 -9.081
{\rm stellar\ age} 4.033 6.522 8.931

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.664 -1.088 -0.492
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.419 -0.811 -0.041

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.269 0.687 1.021
\delta -0.488 -0.054 0.228
\tau_1/\tau_2 0.684 1.065 1.440
Q_{PAH} 0.539 1.714 3.917
U_{min} 2.822 8.037 14.803
{\rm log}_{10}(\gamma_e)\, -3.194 -2.199 -0.900

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.252 -1.215 -0.255
{\rm log}_{10}(\tau_{AGN})\, 0.927 1.359 1.851

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.702 -0.337 -0.021
0.03-0.10 Gyr -1.340 -0.372 0.234
0.10-0.33 Gyr -1.903 -0.760 -0.114
0.33-1.07 Gyr -2.103 -0.856 -0.300
1.07-3.49 Gyr -1.881 -0.790 -0.401
3.49-11.40 Gyr -1.353 -0.640 -0.365
11.40-12.67 Gyr -1.376 -0.545 0.242

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.440 9.577 9.689
{\rm log}_{10}({\rm SFR}) -0.638 -0.403 -0.157
{\rm log}_{10}({\rm sSFR}) -10.266 -9.975 -9.664
{\rm stellar\ age} 4.178 5.911 7.126

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.698 -1.260 -0.809
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.687 -1.294 -0.108

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.251 0.392
\delta -0.597 -0.252 0.013
\tau_1/\tau_2 0.746 1.090 1.444
Q_{PAH} 0.772 2.028 3.867
U_{min} 2.844 7.922 14.935
{\rm log}_{10}(\gamma_e)\, -2.605 -1.504 -0.578

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.182 -2.898 -1.800
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.525 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.570 -0.414 -0.236
0.03-0.10 Gyr -0.745 -0.403 -0.102
0.10-0.33 Gyr -0.476 -0.158 0.117
0.33-1.07 Gyr -0.472 -0.168 0.101
1.07-3.49 Gyr -0.532 -0.277 -0.081
3.49-11.40 Gyr -0.742 -0.359 -0.167
11.40-12.67 Gyr -1.026 -0.384 0.071