2025yyk

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Information

Transient

Name: AT2025yyk
Right ascension: 7h16m24.11s
Declination: 44d46m12.04s
Discovery Date: Sept. 30, 2025, 10:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.069

Host

Name:
Right ascension: 7h16m24.67s
Declination: 44d46m15.12s
Redshift: None
Photometric Redshift: 0.055
 

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 5.32
Cutout download processed 1.57
Global aperture construction processed 0.65
Local aperture photometry processed 3.81
Global aperture photometry processed 4.0
Validate local photometry processed 0.02
Validate global photometry processed 10.67
Host information processed 0.11
Global host SED inference processed 525.87
Local host SED inference processed 433.89
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) = 7h16m24.11s, 44d46m12.04s
semi major axis, semi minor axis (arcsec) = 1.86, 1.86
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 25.41 0.45 20.388 0.019 AB
PanSTARRS_r 37.84 0.64 19.955 0.018 AB
PanSTARRS_i 66.47 0.52 19.343 0.008 AB
PanSTARRS_z 80.0 1.71 19.142 0.023 AB
PanSTARRS_y 91.38 3.41 18.998 0.040 AB

Aperture details

RA, DEC (J2000) = 7h16m24.66s, 44d46m15.57s
semi major axis, semi minor axis (arcsec) = 21.02, 13.36
angle (degrees, anti-clockwise from east) = -124.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 56.43 5.34 19.521 0.103 AB
GALEX_NUV 63.28 4.46 19.397 0.076 AB
PanSTARRS_g 982.06 4.01 16.420 0.004 AB
PanSTARRS_r 1790.49 5.69 15.768 0.003 AB
PanSTARRS_i 2686.42 4.61 15.327 0.002 AB
PanSTARRS_z 3194.63 15.28 15.139 0.005 AB
2MASS_H 5406.48 618.11 13.200 0.124 Vega
WISE_W4 3549.54 969.4 8.405 0.297 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})\, 8.839 9.091 9.265
{\rm log}_{10}({\rm SFR}) -0.938 -0.468 -0.065
{\rm log}_{10}({\rm sSFR}) -10.132 -9.593 -8.958
{\rm stellar\ age} 4.236 6.735 8.398

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.216 -0.546 -0.141
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.543 -1.012 -0.512

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.828 1.241 1.605
\delta -0.257 -0.062 0.200
\tau_1/\tau_2 0.663 1.006 1.354
Q_{PAH} 0.466 1.842 4.331
U_{min} 2.862 7.555 14.807
{\rm log}_{10}(\gamma_e)\, -3.354 -2.142 -1.016

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.057 -2.341 -0.598
{\rm log}_{10}(\tau_{AGN})\, 0.945 1.418 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.694 -0.324 -0.056
0.03-0.10 Gyr -1.382 -0.605 -0.033
0.10-0.33 Gyr -1.909 -1.001 -0.483
0.33-1.08 Gyr -2.101 -1.124 -0.621
1.08-3.56 Gyr -1.883 -1.042 -0.691
3.56-11.72 Gyr -1.544 -0.885 -0.599
11.72-13.02 Gyr -1.683 -0.860 -0.196

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.714 10.785 10.870
{\rm log}_{10}({\rm SFR}) -0.215 0.125 0.454
{\rm log}_{10}({\rm sSFR}) -10.988 -10.671 -10.362
{\rm stellar\ age} 7.258 8.099 11.123

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.788 -0.472 -0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.661 -0.108 0.254

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.188 0.411 0.655
\delta -0.117 0.192 0.345
\tau_1/\tau_2 0.459 0.883 1.311
Q_{PAH} 0.429 1.789 3.901
U_{min} 2.239 6.426 13.250
{\rm log}_{10}(\gamma_e)\, -3.494 -2.736 -1.731

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.038 -1.813 -1.289
{\rm log}_{10}(\tau_{AGN})\, 0.920 1.215 1.779

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.154 0.171 0.393
0.03-0.10 Gyr -0.629 0.036 0.537
0.10-0.33 Gyr -1.152 -0.215 0.286
0.33-1.08 Gyr -1.268 -0.163 0.303
1.08-3.56 Gyr -1.198 0.195 0.725
3.56-11.72 Gyr 0.374 0.914 1.043
11.72-13.02 Gyr 0.560 1.135 1.887