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: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 22.22
Transient MWEBV processed 0.09
Host match processed 5.36
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 2.69
Global aperture photometry processed 3.49
Validate global photometry processed 10.72
Global host SED inference processed 475.03
Local aperture photometry processed 3.99
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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