2025snz

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Information

Transient

Name: AT2025snz
Right ascension: 16h50m21.02s
Declination: 38d41m50.83s
Discovery Date: July 28, 2025, 7:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 3129122
Right ascension: 16h50m21.12s
Declination: 38d41m59.68s
Redshift: None
Photometric Redshift: 0.061
 

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
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 3.78
Cutout download processed 29.67
Global aperture construction processed 0.65
Local aperture photometry processed 6.14
Global aperture photometry processed 5.65
Validate local photometry processed 0.02
Validate global photometry processed 16.29
Host information processed 0.16
Global host SED inference processed 385.57
Local host SED inference processed 436.04
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.05
Processing status completed 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) = 16h50m21.02s, 38d41m50.83s
semi major axis, semi minor axis (arcsec) = 1.7, 1.7
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 2.83 1.06 22.772 0.408 AB
SDSS_g 3.07 0.62 22.682 0.219 AB
DES_g 3.38 0.15 22.578 0.048 AB
PanSTARRS_g 3.86 0.36 22.434 0.101 AB
SDSS_r 5.53 0.92 22.043 0.181 AB
PanSTARRS_r 5.25 0.48 22.100 0.099 AB
SDSS_i 6.36 1.4 21.892 0.240 AB
PanSTARRS_i 5.75 0.42 22.001 0.079 AB
PanSTARRS_z 4.58 1.05 22.248 0.250 AB
SDSS_z 15.1 5.03 20.952 0.362 AB
DES_z 7.45 0.84 21.720 0.122 AB
PanSTARRS_y 5.18 3.02 22.115 0.633 AB

Aperture details

RA, DEC (J2000) = 16h50m21.22s, 38d41m59.89s
semi major axis, semi minor axis (arcsec) = 13.4, 8.68
angle (degrees, anti-clockwise from east) = -138.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 65.07 2.08 19.367 0.035 AB
GALEX_NUV 93.74 1.49 18.970 0.017 AB
SDSS_u 216.6 7.24 18.061 0.036 AB
SDSS_g 487.92 6.31 17.179 0.014 AB
DES_g 486.89 1.62 17.181 0.004 AB
PanSTARRS_g 496.46 2.32 17.160 0.005 AB
SDSS_r 704.69 8.16 16.780 0.013 AB
PanSTARRS_r 718.7 3.02 16.759 0.005 AB
SDSS_i 905.59 10.9 16.508 0.013 AB
PanSTARRS_i 900.16 2.65 16.514 0.003 AB
PanSTARRS_z 915.4 6.72 16.496 0.008 AB
SDSS_z 1325.77 32.75 16.094 0.027 AB
DES_z 956.91 7.3 16.448 0.008 AB
PanSTARRS_y 1133.29 19.13 16.264 0.018 AB
2MASS_J 1302.26 232.37 15.218 0.194 Vega
2MASS_H 915.66 387.04 15.128 0.459 Vega
2MASS_K 850.72 425.55 14.738 0.543 Vega
WISE_W1 691.35 23.72 14.102 0.037 Vega
WISE_W2 428.62 24.45 13.981 0.062 Vega
WISE_W3 1399.19 83.83 10.861 0.065 Vega
WISE_W4 936.86 437.07 9.851 0.507 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.361 7.704 7.958
{\rm log}_{10}({\rm SFR}) -1.998 -1.563 -1.083
{\rm log}_{10}({\rm sSFR}) -9.862 -9.235 -8.537
{\rm stellar\ age} 0.702 3.978 6.327

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.525 -0.842 -0.266
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.233 -0.309 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.508 0.848 1.332
\delta -0.311 -0.014 0.196
\tau_1/\tau_2 0.673 1.067 1.444
Q_{PAH} 0.850 2.722 5.219
U_{min} 2.905 7.888 15.006
{\rm log}_{10}(\gamma_e)\, -2.813 -1.827 -0.787

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.040 -0.166 0.227
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.438 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.920 -1.476 -1.072
0.03-0.10 Gyr -2.355 -1.674 -1.096
0.10-0.33 Gyr -2.268 -1.665 -1.130
0.33-1.08 Gyr -2.879 -1.921 -1.518
1.08-3.55 Gyr -4.039 -2.327 -1.852
3.55-11.65 Gyr -4.793 -2.575 -2.015
11.65-12.94 Gyr -4.828 -2.677 -1.933

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.815 9.912 9.979
{\rm log}_{10}({\rm SFR}) 0.334 0.525 0.735
{\rm log}_{10}({\rm sSFR}) -9.637 -9.397 -9.098
{\rm stellar\ age} 5.006 6.225 7.132

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.416 -0.277 -0.174
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.153 0.279 0.394

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.186 0.349
\delta -0.862 -0.598 -0.294
\tau_1/\tau_2 0.692 0.969 1.284
Q_{PAH} 0.544 1.368 2.718
U_{min} 2.801 7.132 13.993
{\rm log}_{10}(\gamma_e)\, -3.160 -2.069 -1.442

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.208 -3.198 -2.276
{\rm log}_{10}(\tau_{AGN})\, 0.998 1.451 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.233 -0.083 0.040
0.03-0.10 Gyr 0.442 0.654 0.879
0.10-0.33 Gyr 0.060 0.331 0.563
0.33-1.08 Gyr -0.358 -0.018 0.190
1.08-3.55 Gyr -0.282 -0.029 0.168
3.55-11.65 Gyr -0.276 -0.037 0.103
11.65-12.94 Gyr -0.477 -0.025 0.354