2025snn

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Information

Transient

Name: AT2025snn
Right ascension: 22h53m07.19s
Declination: 14d20m33.38s
Discovery Date: July 29, 2025, 4:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name:
Right ascension: 22h53m07.11s
Declination: 14d20m34.10s
Redshift: None
Photometric Redshift: 0.122
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 32.43
Transient MWEBV processed 0.08
Host match processed 7.01
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 5.93
Validate global photometry processed 17.43
Global host SED inference processed 430.86
Local aperture photometry processed 7.21
Validate local photometry no valid phot 0.03
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) = 22h53m07.19s, 14d20m33.38s
semi major axis, semi minor axis (arcsec) = 0.91, 0.91
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) = 22h53m07.10s, 14d20m34.53s
semi major axis, semi minor axis (arcsec) = 5.67, 3.0
angle (degrees, anti-clockwise from east) = -170.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.32 2.63 21.265 0.252 AB
GALEX_NUV 9.73 0.74 21.430 0.083 AB
SDSS_u 27.53 4.15 20.300 0.164 AB
SDSS_g 50.23 2.28 19.648 0.049 AB
PanSTARRS_g 52.64 1.1 19.597 0.023 AB
SDSS_r 84.51 3.19 19.083 0.041 AB
PanSTARRS_r 79.47 1.08 19.150 0.015 AB
DES_r 87.44 0.8 19.046 0.010 AB
SDSS_i 117.42 4.44 18.726 0.041 AB
PanSTARRS_i 109.16 1.25 18.805 0.012 AB
PanSTARRS_z 128.28 3.01 18.630 0.025 AB
SDSS_z 97.15 18.6 18.931 0.208 AB
DES_z 128.03 2.08 18.632 0.018 AB
PanSTARRS_y 116.83 6.64 18.731 0.062 AB
2MASS_J 214.53 103.88 17.176 0.526 Vega
2MASS_H 183.58 139.81 16.873 0.827 Vega
2MASS_K 294.65 189.34 15.889 0.698 Vega
WISE_W1 85.58 9.66 16.370 0.123 Vega
WISE_W2 55.37 13.48 16.203 0.264 Vega
WISE_W3 208.32 73.39 12.929 0.382 Vega
WISE_W4 580.23 501.17 10.371 0.938 Vega
 

Imaging data

Click the image to load the interactive plot.


 

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})\, 9.709 9.828 9.944
{\rm log}_{10}({\rm SFR}) -0.214 0.052 0.339
{\rm log}_{10}({\rm sSFR}) -10.048 -9.769 -9.470
{\rm stellar\ age} 5.119 6.331 7.468

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.626 -1.172 -0.631
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.624 0.092 0.385

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.214 0.383 0.556
\delta -0.020 0.203 0.337
\tau_1/\tau_2 0.603 0.954 1.337
Q_{PAH} 1.282 3.140 5.155
U_{min} 2.702 7.698 14.873
{\rm log}_{10}(\gamma_e)\, -2.715 -1.784 -0.700

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.925 -2.317 -1.366
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.499 1.925

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.646 -0.365 -0.160
0.03-0.10 Gyr -0.164 0.155 0.480
0.10-0.32 Gyr -0.282 0.081 0.353
0.32-1.05 Gyr -0.577 -0.177 0.079
1.05-3.39 Gyr -0.460 -0.143 0.075
3.39-10.97 Gyr -0.366 -0.072 0.110
10.97-12.19 Gyr -0.534 -0.015 0.463