2025ssm

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.49
Cutout download processed 25.93
Global aperture construction processed 0.7
Local aperture photometry processed 7.23
Global aperture photometry processed 6.32
Validate local photometry processed 0.03
Validate global photometry processed 17.78
Host information processed 0.17
Global host SED inference processed 859.7
Local host SED inference not enough filters 17.99
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Processing status blocked N/A N/A
 

Cutout Download Report

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:
 

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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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