2025ssm results

Information

Transient
Name:AT2025ssm
Right ascension: 0h23m40.49s
Declination:24d54m13.62s
Discovery Date:July 23, 2025, 7:50 a.m.
Classification:None
Redshift:None
MW E(B-V):0.031
Host
Name:
Right ascension: 0h23m40.42s
Declination:24d54m14.18s
Redshift:None
Photometric Redshift:0.112
 

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_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 25.93
Transient MWEBV processed 0.05
Host match processed 6.49
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 6.32
Validate global photometry processed 17.78
Global host SED inference processed 859.7
Local aperture photometry processed 7.23
Validate local photometry processed 0.03
Local host SED inference not enough filters 17.99
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h23m40.49s, 24d54m13.62s
semi major axis, semi minor axis (arcsec):0.99, 0.99
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 2.72 0.37 22.813 0.149 AB

Aperture details

RA, DEC (J2000):0h23m40.41s, 24d54m14.46s
semi major axis, semi minor axis (arcsec):2.04, 1.24
angle (degrees, anti-clockwise from east):-129.7
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.74 1.68 22.003 0.318 AB
GALEX_NUV 4.42 1.08 22.287 0.266 AB
SDSS_u 2.99 1.21 22.711 0.440 AB
SDSS_g 7.04 0.8 21.781 0.124 AB
DES_g 6.13 0.16 21.932 0.028 AB
PanSTARRS_g 6.02 0.36 21.950 0.066 AB
SDSS_r 7.73 0.96 21.680 0.135 AB
PanSTARRS_r 7.53 0.36 21.708 0.052 AB
DES_r 7.59 0.27 21.699 0.038 AB
SDSS_i 10.05 1.26 21.394 0.136 AB
PanSTARRS_i 9.83 0.51 21.418 0.056 AB
PanSTARRS_z 7.49 1.05 21.714 0.152 AB
SDSS_z 13.26 4.2 21.093 0.344 AB
DES_z 7.71 0.58 21.682 0.082 AB
PanSTARRS_y 11.79 2.46 21.222 0.227 AB
2MASS_J 68.56 67.76 18.415 1.073 Vega
2MASS_H 29.37 103.25 18.862 3.816 Vega
2MASS_K 16.68 127.33 19.006 8.286 Vega
WISE_W2 14.29 10.33 17.674 0.785 Vega
WISE_W3 -91.45 58.76 Vega
WISE_W4 -568.11 374.14 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})\, 7.994 8.309 8.509
{\rm log}_{10}({\rm SFR}) -0.967 -0.595 0.174
{\rm log}_{10}({\rm sSFR}) -9.342 -8.750 -7.987
{\rm stellar\ age} 0.286 4.597 6.759

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.492 -0.569 -0.001
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.459 -0.690 0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.065 0.282 1.310
\delta 0.027 0.303 0.376
\tau_1/\tau_2 0.700 1.143 1.621
Q_{PAH} 0.881 2.685 4.883
U_{min} 3.178 9.004 17.218
{\rm log}_{10}(\gamma_e)\, -2.999 -1.947 -0.935

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.768 -0.225 0.201
{\rm log}_{10}(\tau_{AGN})\, 1.183 1.540 1.832

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.028 -0.774 -0.143
0.03-0.10 Gyr -1.012 -0.549 0.256
0.10-0.32 Gyr -2.318 -1.313 -0.800
0.32-1.05 Gyr -3.804 -1.869 -1.399
1.05-3.42 Gyr -4.252 -1.938 -1.484
3.42-11.08 Gyr -4.375 -1.948 -1.452
11.08-12.31 Gyr -4.211 -1.870 -1.151