2025snu

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Information

Transient

Name: AT2025snu
Right ascension: 23h17m07.45s
Declination: 0d34m48.95s
Discovery Date: July 24, 2025, 10:26 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name: 1169737
Right ascension: 23h17m07.45s
Declination: 0d34m49.93s
Redshift: 0.118726
Photometric Redshift: 0.117
 

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
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 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 4.5
Cutout download processed 33.8
Global aperture construction processed 0.73
Local aperture photometry processed 7.61
Global aperture photometry processed 6.61
Validate local photometry processed 0.03
Validate global photometry processed 18.3
Host information processed 0.15
Global host SED inference processed 428.18
Local host SED inference not enough filters 21.81
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 23h17m07.45s, 0d34m48.95s
semi major axis, semi minor axis (arcsec) = 0.93, 0.93
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 102.51 0.94 18.873 0.010 AB

Aperture details

RA, DEC (J2000) = 23h17m07.45s, 0d34m50.00s
semi major axis, semi minor axis (arcsec) = 10.23, 8.09
angle (degrees, anti-clockwise from east) = -123.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 38.24 1.21 19.944 0.034 AB
GALEX_NUV 57.85 0.94 19.494 0.018 AB
SDSS_u 178.4 7.85 18.271 0.048 AB
SDSS_g 351.63 5.63 17.535 0.017 AB
DES_g 390.38 0.84 17.421 0.002 AB
PanSTARRS_g 402.17 1.92 17.389 0.005 AB
SDSS_r 633.34 8.09 16.896 0.014 AB
PanSTARRS_r 642.66 2.77 16.880 0.005 AB
DES_r 677.87 1.11 16.822 0.002 AB
SDSS_i 873.21 11.64 16.547 0.014 AB
PanSTARRS_i 892.25 2.15 16.524 0.003 AB
PanSTARRS_z 997.77 5.5 16.402 0.006 AB
SDSS_z 1014.22 31.99 16.385 0.034 AB
DES_z 1058.81 3.38 16.338 0.003 AB
PanSTARRS_y 1131.86 14.42 16.266 0.014 AB
2MASS_J 1297.38 186.97 15.222 0.156 Vega
2MASS_H 1564.13 276.01 14.547 0.192 Vega
2MASS_K 1703.11 301.91 13.984 0.192 Vega
WISE_W1 833.44 22.72 13.899 0.030 Vega
WISE_W2 568.6 29.64 13.674 0.057 Vega
WISE_W3 2093.15 123.32 10.424 0.064 Vega
WISE_W4 1808.7 727.02 9.137 0.436 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})\, 10.620 10.684 10.753
{\rm log}_{10}({\rm SFR}) 1.199 1.351 1.569
{\rm log}_{10}({\rm sSFR}) -9.517 -9.325 -9.084
{\rm stellar\ age} 6.328 7.130 9.141

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.453 -0.299 -0.179
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.649 -0.624 0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.167 0.231 0.365
\delta -0.912 -0.721 -0.463
\tau_1/\tau_2 0.630 1.040 1.473
Q_{PAH} 0.640 1.498 2.561
U_{min} 2.262 7.052 14.567
{\rm log}_{10}(\gamma_e)\, -2.850 -2.068 -1.368

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.960 -2.768 -1.966
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.420 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.533 0.700 0.856
0.03-0.10 Gyr 1.322 1.489 1.710
0.10-0.32 Gyr -0.990 0.148 0.598
0.32-1.05 Gyr -1.163 0.007 0.400
1.05-3.40 Gyr -0.292 0.380 0.724
3.40-11.00 Gyr 0.433 0.818 0.938
11.00-12.23 Gyr 0.431 1.021 1.654