2025vzy

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Information

Transient

Name: AT2025vzy
Right ascension: 21h21m30.33s
Declination: -49d03m42.15s
Discovery Date: Aug. 28, 2025, 2:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: PGC188521
Right ascension: 21h21m30.30s
Declination: -49d03m42.44s
Redshift: 0.005671
Photometric Redshift: 0.005
 

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 3.79
Cutout download processed 18.4
Global aperture construction processed 0.71
Local aperture photometry processed 2.88
Global aperture photometry processed 2.58
Validate local photometry processed 0.02
Validate global photometry processed 9.21
Host information processed 0.14
Global host SED inference processed 410.52
Local host SED inference processed 427.36
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.03
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) = 21h21m30.33s, -49d03m42.15s
semi major axis, semi minor axis (arcsec) = 17.1, 17.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 64.19 5.58 19.381 0.094 AB
GALEX_NUV 58.02 4.3 19.491 0.080 AB
DES_g 910.52 1.24 16.502 0.001 AB
DES_r 1805.46 1.93 15.759 0.001 AB
DES_z 2809.77 7.43 15.278 0.003 AB
2MASS_J 3561.37 365.81 14.126 0.112 Vega
2MASS_H 4736.77 557.97 13.344 0.128 Vega
2MASS_K 3022.45 612.85 13.361 0.220 Vega
WISE_W1 1757.29 34.11 13.089 0.021 Vega
WISE_W2 1012.01 41.58 13.048 0.045 Vega
WISE_W3 1646.5 168.56 10.685 0.111 Vega
WISE_W4 1571.69 757.21 9.289 0.523 Vega

Aperture details

RA, DEC (J2000) = 21h21m30.30s, -49d03m42.46s
semi major axis, semi minor axis (arcsec) = 18.42, 13.42
angle (degrees, anti-clockwise from east) = 130.94

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 62.15 5.49 19.416 0.096 AB
GALEX_NUV 57.75 4.21 19.496 0.079 AB
DES_g 891.99 1.19 16.524 0.001 AB
DES_r 1778.34 1.87 15.775 0.001 AB
DES_z 2781.22 7.23 15.289 0.003 AB
2MASS_J 3516.64 341.5 14.140 0.105 Vega
2MASS_H 4610.65 520.23 13.373 0.123 Vega
2MASS_K 3057.31 572.06 13.349 0.203 Vega
WISE_W1 1740.27 33.66 13.099 0.021 Vega
WISE_W2 992.23 41.36 13.069 0.045 Vega
WISE_W3 1576.35 168.73 10.732 0.116 Vega
WISE_W4 2036.36 917.16 9.008 0.489 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})\, 8.592 8.674 8.784
{\rm log}_{10}({\rm SFR}) -2.377 -2.075 -1.772
{\rm log}_{10}({\rm sSFR}) -11.042 -10.745 -10.454
{\rm stellar\ age} 8.056 9.655 12.497

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.162 -0.788 -0.525
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.833 -1.417 0.012

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.187 0.355 0.579
\delta -0.321 0.020 0.239
\tau_1/\tau_2 0.588 0.957 1.340
Q_{PAH} 0.491 1.375 3.016
U_{min} 2.823 8.070 15.144
{\rm log}_{10}(\gamma_e)\, -3.053 -2.273 -1.379

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.063 -2.633 -1.611
{\rm log}_{10}(\tau_{AGN})\, 0.966 1.417 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.461 -2.038 -1.699
0.03-0.10 Gyr -2.823 -2.155 -1.756
0.10-0.33 Gyr -3.456 -2.412 -1.929
0.33-1.10 Gyr -3.694 -2.523 -2.044
1.10-3.66 Gyr -3.815 -2.335 -1.704
3.66-12.13 Gyr -2.366 -1.314 -1.137
12.13-13.48 Gyr -1.283 -0.609 -0.127

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.556 8.643 8.745
{\rm log}_{10}({\rm SFR}) -2.457 -2.171 -1.889
{\rm log}_{10}({\rm sSFR}) -11.132 -10.821 -10.542
{\rm stellar\ age} 7.819 8.805 12.240

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.165 -0.765 -0.501
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.757 -0.580 0.296

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.164 0.328 0.572
\delta -0.290 0.072 0.279
\tau_1/\tau_2 0.484 0.825 1.208
Q_{PAH} 0.571 1.442 2.933
U_{min} 3.065 8.249 15.598
{\rm log}_{10}(\gamma_e)\, -2.995 -2.151 -1.260

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.026 -2.685 -1.892
{\rm log}_{10}(\tau_{AGN})\, 0.925 1.279 1.751

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.478 -2.090 -1.811
0.03-0.10 Gyr -2.950 -2.265 -1.853
0.10-0.33 Gyr -3.415 -2.396 -1.917
0.33-1.10 Gyr -3.603 -2.480 -1.956
1.10-3.66 Gyr -3.294 -2.132 -1.576
3.66-12.13 Gyr -2.074 -1.282 -1.135
12.13-13.48 Gyr -1.416 -0.857 -0.186