2025snh

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Information

Transient

Name: AT2025snh
Right ascension: 23h10m26.94s
Declination: 9d27m02.05s
Discovery Date: July 28, 2025, 9:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 23h10m26.90s
Declination: 9d27m03.42s
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 5.93
Cutout download processed 35.19
Global aperture construction processed 2.92
Local aperture photometry processed 7.2
Global aperture photometry processed 6.31
Validate local photometry no valid phot 0.02
Validate global photometry processed 16.5
Host information processed 0.16
Global host SED inference processed 445.94
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.13
Host MWEBV processed 0.04
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) = 23h10m26.94s, 9d27m02.05s
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) = 23h10m26.89s, 9d27m03.51s
semi major axis, semi minor axis (arcsec) = 5.67, 3.01
angle (degrees, anti-clockwise from east) = -93.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 16.32 3.39 20.868 0.225 AB
SDSS_g 19.29 1.66 20.687 0.093 AB
DES_g 23.79 0.46 20.459 0.021 AB
PanSTARRS_g 24.3 1.02 20.436 0.046 AB
SDSS_r 47.7 2.59 19.704 0.059 AB
PanSTARRS_r 37.18 0.9 19.974 0.026 AB
DES_r 39.5 0.91 19.909 0.025 AB
SDSS_i 52.01 3.34 19.610 0.070 AB
PanSTARRS_i 48.57 1.28 19.684 0.029 AB
PanSTARRS_z 53.67 2.74 19.576 0.055 AB
SDSS_z 72.27 11.49 19.253 0.173 AB
DES_z 56.41 2.57 19.522 0.050 AB
PanSTARRS_y 51.85 7.17 19.613 0.150 AB
2MASS_J 32.38 117.71 19.229 3.947 Vega
2MASS_H -55.15 174.98 Vega
2MASS_K -361.84 194.67 Vega
WISE_W1 5.91 9.01 19.273 1.656 Vega
WISE_W2 14.75 10.64 17.639 0.783 Vega
WISE_W3 -88.02 69.59 Vega
WISE_W4 86.96 434.41 12.432 5.424 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})\, 9.284 9.543 9.711
{\rm log}_{10}({\rm SFR}) -0.275 0.315 0.851
{\rm log}_{10}({\rm sSFR}) -9.885 -9.209 -8.508
{\rm stellar\ age} 1.515 4.203 6.100

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.470 -0.747 -0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.720 -1.220 0.003

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.243 0.511 0.880
\delta -0.689 -0.297 0.097
\tau_1/\tau_2 0.493 0.864 1.255
Q_{PAH} 1.090 2.916 5.146
U_{min} 3.011 8.502 15.875
{\rm log}_{10}(\gamma_e)\, -3.205 -2.144 -0.973

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.546 -1.189 -0.429
{\rm log}_{10}(\tau_{AGN})\, 1.000 1.376 1.784

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.579 -0.016 0.318
0.03-0.10 Gyr -0.328 0.396 0.980
0.10-0.32 Gyr -1.009 0.121 0.540
0.32-1.03 Gyr -1.697 -0.162 0.277
1.03-3.29 Gyr -1.932 -0.396 -0.037
3.29-10.55 Gyr -2.095 -0.644 -0.225
10.55-11.72 Gyr -2.213 -0.633 0.011