2025sna

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Information

Transient

Name: AT2025sna
Right ascension: 17h32m44.52s
Declination: 37d13m10.50s
Discovery Date: July 28, 2025, 7:42 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 17h32m44.58s
Declination: 37d13m11.95s
Redshift: None
Photometric Redshift: 0.134
 

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 6.39
Cutout download processed 14.38
Global aperture construction processed 0.68
Local aperture photometry processed 4.99
Global aperture photometry processed 5.66
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.87
Host information processed 0.16
Global host SED inference processed 561.19
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.09
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) = 17h32m44.52s, 37d13m10.50s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
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) = 17h32m44.58s, 37d13m12.19s
semi major axis, semi minor axis (arcsec) = 3.93, 3.26
angle (degrees, anti-clockwise from east) = -73.99

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.32 2.71 21.366 0.285 AB
GALEX_NUV 9.45 1.81 21.462 0.208 AB
DES_g 26.46 0.42 20.344 0.017 AB
PanSTARRS_g 27.47 0.66 20.303 0.026 AB
PanSTARRS_r 35.79 0.9 20.016 0.027 AB
PanSTARRS_i 40.72 0.64 19.876 0.017 AB
PanSTARRS_z 47.18 2.19 19.716 0.051 AB
DES_z 43.66 1.67 19.800 0.042 AB
PanSTARRS_y 47.85 4.88 19.700 0.111 AB
2MASS_J -2.85 90.06 Vega
2MASS_H 131.93 151.37 17.232 1.246 Vega
2MASS_K 154.01 157.34 16.593 1.109 Vega
WISE_W1 11.34 8.39 18.565 0.804 Vega
WISE_W2 11.47 11.04 17.912 1.045 Vega
WISE_W3 39.86 39.77 14.725 1.083 Vega
WISE_W4 -133.65 295.67 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})\, 8.884 9.232 9.428
{\rm log}_{10}({\rm SFR}) -0.257 0.322 0.859
{\rm log}_{10}({\rm sSFR}) -9.610 -8.890 -8.064
{\rm stellar\ age} 0.241 3.622 6.226

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.648 -1.038 -0.304
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.632 -0.940 0.036

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.106 0.552 1.182
\delta -0.051 0.235 0.351
\tau_1/\tau_2 0.496 1.004 1.535
Q_{PAH} 1.525 3.350 5.260
U_{min} 3.350 9.847 17.835
{\rm log}_{10}(\gamma_e)\, -3.080 -1.809 -0.573

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.447 -1.246 -0.270
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.415 1.816

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.256 -0.952 -0.359
0.03-0.10 Gyr -0.144 0.471 1.020
0.10-0.32 Gyr -1.542 -0.036 0.534
0.32-1.04 Gyr -2.966 -0.805 -0.209
1.04-3.36 Gyr -4.110 -1.122 -0.502
3.36-10.85 Gyr -4.705 -1.225 -0.578
10.85-12.05 Gyr -4.506 -1.131 -0.265