2025zzv

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Information

Transient

Name: AT2025zzv
Right ascension: 9h55m11.15s
Declination: 4d28m35.92s
Discovery Date: Oct. 9, 2025, 12:34 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: SDSSJ095511.09+04283
Right ascension: 9h55m11.04s
Declination: 4d28m36.66s
Redshift: None
Photometric Redshift: 0.091
 

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 4.05
Cutout download processed 2.81
Global aperture construction processed 0.65
Local aperture photometry processed 6.59
Global aperture photometry processed 6.73
Validate local photometry processed 0.02
Validate global photometry processed 18.25
Host information processed 0.04
Global host SED inference processed 512.67
Local host SED inference processed 556.31
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.04
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) = 9h55m11.15s, 4d28m35.92s
semi major axis, semi minor axis (arcsec) = 1.18, 1.18
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 34.83 0.26 20.045 0.008 AB
DES_r 90.18 0.74 19.012 0.009 AB
PanSTARRS_i 89.21 0.52 19.024 0.006 AB
PanSTARRS_z 120.96 0.94 18.693 0.008 AB
DES_z 163.81 2.1 18.364 0.014 AB
PanSTARRS_y 130.89 1.82 18.608 0.015 AB

Aperture details

RA, DEC (J2000) = 9h55m11.08s, 4d28m36.69s
semi major axis, semi minor axis (arcsec) = 5.29, 3.58
angle (degrees, anti-clockwise from east) = -16.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.32 0.78 23.596 0.638 AB
GALEX_NUV 1.27 0.35 23.637 0.295 AB
SDSS_u 25.09 3.0 20.401 0.130 AB
SDSS_g 123.88 3.14 18.667 0.027 AB
DES_g 134.61 0.55 18.577 0.004 AB
PanSTARRS_g 144.61 1.38 18.499 0.010 AB
SDSS_r 288.26 4.75 17.751 0.018 AB
PanSTARRS_r 289.72 1.24 17.745 0.005 AB
DES_r 318.86 1.47 17.641 0.005 AB
SDSS_i 417.74 6.07 17.348 0.016 AB
PanSTARRS_i 418.0 1.77 17.347 0.005 AB
PanSTARRS_z 539.23 3.29 17.071 0.007 AB
SDSS_z 548.78 11.34 17.052 0.022 AB
DES_z 565.72 4.01 17.019 0.008 AB
PanSTARRS_y 581.77 6.53 16.988 0.012 AB
2MASS_J 688.82 134.02 15.910 0.211 Vega
2MASS_H 843.26 181.66 15.218 0.234 Vega
2MASS_K 984.35 235.88 14.579 0.260 Vega
WISE_W1 327.15 12.56 14.914 0.042 Vega
WISE_W2 189.23 15.03 14.869 0.086 Vega
WISE_W3 63.83 66.46 14.213 1.130 Vega
WISE_W4 -666.1 343.41 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})\, 9.565 9.685 9.797
{\rm log}_{10}({\rm SFR}) -1.160 -0.518 0.026
{\rm log}_{10}({\rm sSFR}) -10.909 -10.206 -9.594
{\rm stellar\ age} 5.607 6.945 8.816

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.865 -0.383 -0.035
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.817 -1.540 -0.156

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.518 0.924
\delta -0.849 -0.493 -0.148
\tau_1/\tau_2 0.739 1.106 1.469
Q_{PAH} 1.268 3.578 5.529
U_{min} 3.226 8.440 15.867
{\rm log}_{10}(\gamma_e)\, -3.034 -1.656 -0.505

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.019 -0.829 -0.143
{\rm log}_{10}(\tau_{AGN})\, 1.099 1.624 2.032

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.990 -0.405 -0.005
0.03-0.10 Gyr -1.485 -0.621 0.054
0.10-0.33 Gyr -1.611 -0.641 -0.130
0.33-1.06 Gyr -1.407 -0.541 -0.153
1.06-3.47 Gyr -1.212 -0.390 -0.117
3.47-11.31 Gyr -0.609 -0.235 -0.042
11.31-12.57 Gyr -0.737 -0.128 0.529

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.360 10.486 10.537
{\rm log}_{10}({\rm SFR}) -5.731 -2.722 -1.164
{\rm log}_{10}({\rm sSFR}) -16.210 -13.330 -11.579
{\rm stellar\ age} 7.421 11.486 11.933

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.657 -1.312 -1.042
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.575 -0.751 0.095

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.254 0.383 0.514
\delta -0.814 -0.580 -0.370
\tau_1/\tau_2 0.477 0.967 1.456
Q_{PAH} 1.510 3.687 5.597
U_{min} 3.843 11.114 19.125
{\rm log}_{10}(\gamma_e)\, -2.670 -1.589 -0.530

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.721 -2.230 -1.469
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.593 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.005 -3.544 -1.593
0.03-0.10 Gyr -6.528 -3.049 -1.117
0.10-0.33 Gyr -6.248 -3.260 -1.184
0.33-1.06 Gyr -6.266 -3.505 -1.257
1.06-3.47 Gyr -4.505 -2.335 -0.372
3.47-11.31 Gyr -2.415 -0.356 0.678
11.31-12.57 Gyr 0.086 1.612 1.692