2025yyb

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Information

Transient

Name: AT2025yyb
Right ascension: 0h54m36.32s
Declination: -3d37m08.83s
Discovery Date: Sept. 29, 2025, 2:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 0h54m36.36s
Declination: -3d37m09.81s
Redshift: 0.086295
Photometric Redshift:
 

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 6.9
Cutout download processed 13.05
Global aperture construction processed 0.61
Local aperture photometry processed 4.18
Global aperture photometry processed 4.2
Validate local photometry processed 0.02
Validate global photometry processed 10.6
Host information processed 0.05
Global host SED inference processed 423.38
Local host SED inference processed 463.41
Transient information processed 0.0
Transient MWEBV processed 0.09
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) = 0h54m36.32s, -3d37m08.83s
semi major axis, semi minor axis (arcsec) = 1.24, 1.24
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 223.9 0.35 18.025 0.002 AB
PanSTARRS_i 365.19 0.52 17.494 0.002 AB
PanSTARRS_z 449.27 1.05 17.269 0.003 AB
PanSTARRS_y 510.43 2.33 17.130 0.005 AB

Aperture details

RA, DEC (J2000) = 0h54m36.35s, -3d37m09.61s
semi major axis, semi minor axis (arcsec) = 6.48, 5.44
angle (degrees, anti-clockwise from east) = -35.76

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.07 0.69 21.505 0.083 AB
GALEX_NUV 16.36 0.62 20.865 0.041 AB
PanSTARRS_g 431.3 1.41 17.313 0.004 AB
PanSTARRS_r 846.43 1.38 16.581 0.002 AB
PanSTARRS_i 1281.88 1.95 16.130 0.002 AB
PanSTARRS_z 1632.48 4.45 15.868 0.003 AB
PanSTARRS_y 1844.44 10.8 15.735 0.006 AB
2MASS_J 2297.16 126.7 14.602 0.060 Vega
2MASS_H 3257.42 212.08 13.750 0.071 Vega
2MASS_K 3130.69 251.21 13.323 0.087 Vega
WISE_W1 1144.72 22.91 13.554 0.022 Vega
WISE_W2 715.65 28.4 13.424 0.043 Vega
WISE_W3 601.84 96.59 11.777 0.174 Vega
WISE_W4 700.93 591.37 10.166 0.916 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})\, 10.118 10.260 10.386
{\rm log}_{10}({\rm SFR}) -0.482 -0.003 0.559
{\rm log}_{10}({\rm sSFR}) -10.739 -10.235 -9.665
{\rm stellar\ age} 5.777 7.390 10.121

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.523 -0.912 -0.513
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.622 -0.784 0.167

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.557 0.835 1.166
\delta -0.780 -0.510 -0.192
\tau_1/\tau_2 0.515 0.920 1.301
Q_{PAH} 0.338 1.442 3.925
U_{min} 2.669 7.866 14.804
{\rm log}_{10}(\gamma_e)\, -3.319 -1.781 -0.783

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.907 -1.903 -0.613
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.519 1.964

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.321 0.023 0.335
0.03-0.10 Gyr -1.017 -0.057 0.633
0.10-0.33 Gyr -1.397 -0.298 0.325
0.33-1.07 Gyr -1.554 -0.295 0.291
1.07-3.48 Gyr -1.327 -0.028 0.399
3.48-11.36 Gyr -0.326 0.325 0.548
11.36-12.62 Gyr -0.218 0.526 1.331

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.784 10.841 10.924
{\rm log}_{10}({\rm SFR}) -0.319 0.097 0.507
{\rm log}_{10}({\rm sSFR}) -11.202 -10.752 -10.310
{\rm stellar\ age} 7.619 9.291 11.769

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.784 -0.568 -0.434
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.530 -0.554 0.154

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.158 0.250 0.410
\delta -0.861 -0.599 -0.312
\tau_1/\tau_2 0.644 1.077 1.502
Q_{PAH} 0.268 0.932 2.434
U_{min} 2.843 7.966 15.363
{\rm log}_{10}(\gamma_e)\, -2.797 -1.725 -0.904

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.471 -3.524 -2.538
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.559 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.400 -0.390 -0.032
0.03-0.10 Gyr -0.345 0.191 0.647
0.10-0.33 Gyr -1.442 -0.166 0.335
0.33-1.07 Gyr -2.758 -0.532 0.042
1.07-3.48 Gyr -2.388 -0.491 0.213
3.48-11.36 Gyr -0.387 0.883 1.080
11.36-12.62 Gyr 0.877 1.627 2.056