2025sni

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Information

Transient

Name: AT2025sni
Right ascension: 17h28m33.47s
Declination: 41d33m33.35s
Discovery Date: July 28, 2025, 6:40 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 17h28m33.45s
Declination: 41d33m33.32s
Redshift: None
Photometric Redshift: 0.135
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 30.32
Transient MWEBV processed 0.08
Host match processed 5.73
Host information processed 0.15
Host MWEBV processed 0.03
Global aperture construction processed 0.65
Global aperture photometry processed 3.76
Validate global photometry processed 10.28
Global host SED inference processed 394.64
Local aperture photometry processed 4.04
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) = 17h28m33.47s, 41d33m33.35s
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) = 17h28m33.72s, 41d33m33.55s
semi major axis, semi minor axis (arcsec) = 10.27, 4.21
angle (degrees, anti-clockwise from east) = -94.28

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.11 2.83 21.192 0.254 AB
GALEX_NUV 16.57 2.41 20.851 0.158 AB
PanSTARRS_g 157.19 1.39 18.409 0.010 AB
PanSTARRS_r 273.58 1.77 17.807 0.007 AB
PanSTARRS_i 375.83 1.32 17.463 0.004 AB
PanSTARRS_z 461.83 4.88 17.239 0.011 AB
2MASS_J 513.16 160.93 16.229 0.340 Vega
2MASS_H 858.72 296.17 15.198 0.374 Vega
2MASS_K 820.77 274.97 14.777 0.364 Vega
WISE_W1 336.06 13.69 14.885 0.044 Vega
WISE_W2 215.76 15.17 14.726 0.076 Vega
WISE_W3 674.11 47.12 11.654 0.076 Vega
WISE_W4 661.39 286.38 10.229 0.470 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})\, 10.464 10.522 10.596
{\rm log}_{10}({\rm SFR}) -0.068 0.319 0.646
{\rm log}_{10}({\rm sSFR}) -10.597 -10.197 -9.859
{\rm stellar\ age} 5.920 6.691 7.757

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.953 -0.565 -0.335
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.523 -0.192 0.302

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.159 0.271 0.418
\delta -0.627 -0.274 0.039
\tau_1/\tau_2 0.669 1.015 1.359
Q_{PAH} 0.971 2.257 4.112
U_{min} 2.551 7.493 14.904
{\rm log}_{10}(\gamma_e)\, -2.732 -1.744 -0.835

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.064 -2.718 -1.617
{\rm log}_{10}(\tau_{AGN})\, 1.068 1.539 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.008 -0.222 0.084
0.03-0.10 Gyr -0.013 0.432 0.796
0.10-0.32 Gyr 0.176 0.520 0.804
0.32-1.04 Gyr -0.003 0.403 0.635
1.04-3.36 Gyr 0.071 0.478 0.694
3.36-10.83 Gyr 0.482 0.676 0.793
10.83-12.03 Gyr 0.276 0.768 1.226