2025ssa

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Information

Transient

Name: AT2025ssa
Right ascension: 16h28m57.06s
Declination: 75d06m07.24s
Discovery Date: July 25, 2025, 10:42 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name:
Right ascension: 16h28m56.94s
Declination: 75d06m08.01s
Redshift: None
Photometric Redshift: 0.162
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 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 5.36
Cutout download processed 22.22
Global aperture construction processed 2.69
Local aperture photometry processed 3.99
Global aperture photometry processed 3.49
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.72
Host information processed 0.14
Global host SED inference processed 475.03
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.05
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) = 16h28m57.06s, 75d06m07.24s
semi major axis, semi minor axis (arcsec) = 0.72, 0.72
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 16h28m56.91s, 75d06m08.12s
semi major axis, semi minor axis (arcsec) = 3.85, 2.39
angle (degrees, anti-clockwise from east) = -177.41

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 1.93 1.76 23.189 0.991 AB
PanSTARRS_g 10.87 0.99 21.309 0.099 AB
PanSTARRS_r 18.52 0.98 20.731 0.057 AB
PanSTARRS_i 23.41 1.13 20.477 0.053 AB
PanSTARRS_z 28.27 2.53 20.272 0.097 AB
PanSTARRS_y 16.54 5.66 20.854 0.372 AB
2MASS_J 32.2 92.63 19.236 3.124 Vega
2MASS_H 22.35 151.97 19.159 7.383 Vega
2MASS_K 239.27 138.86 16.115 0.630 Vega
WISE_W1 6.75 4.87 19.128 0.783 Vega
WISE_W2 5.15 6.07 18.781 1.280 Vega
WISE_W3 21.43 25.08 15.399 1.271 Vega
WISE_W4 15.47 242.74 14.306 17.033 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})\, 9.016 9.343 9.544
{\rm log}_{10}({\rm SFR}) -1.042 -0.117 0.620
{\rm log}_{10}({\rm sSFR}) -10.474 -9.462 -8.479
{\rm stellar\ age} 0.308 3.806 6.436

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.568 -0.747 -0.025
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.622 -0.786 0.106

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.402 0.829 1.318
\delta -0.465 -0.133 0.187
\tau_1/\tau_2 0.569 0.960 1.360
Q_{PAH} 1.057 2.892 4.938
U_{min} 3.273 8.910 17.365
{\rm log}_{10}(\gamma_e)\, -3.051 -1.956 -0.749

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.396 -1.067 -0.159
{\rm log}_{10}(\tau_{AGN})\, 0.950 1.322 1.824

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.172 -0.551 0.125
0.03-0.10 Gyr -1.272 -0.109 0.755
0.10-0.32 Gyr -1.176 -0.146 0.575
0.32-1.03 Gyr -2.282 -0.512 0.109
1.03-3.29 Gyr -3.534 -0.740 -0.297
3.29-10.55 Gyr -4.242 -0.954 -0.341
10.55-11.73 Gyr -4.484 -0.976 -0.125