2025gyk results

Information

Transient
Name:AT2025gyk
Right ascension: 22h10m57.53s
Declination:18d48m43.47s
Discovery Date:April 7, 2025, 12:04 p.m.
Classification:None
Redshift:None
MW E(B-V):0.047
Host
Name:2025gyk
Right ascension: 22h10m57.88s
Declination:18d48m41.90s
Redshift:0.048621
Photometric Redshift:0.045
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.2
Transient MWEBV processed 0.05
Host match processed 2.79
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.58
Validate global photometry processed 18.1
Global host SED inference processed 368.35
Local aperture photometry processed 6.45
Validate local photometry processed 0.02
Local host SED inference processed 436.59
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h10m57.53s, 18d48m43.47s
semi major axis, semi minor axis (arcsec):2.1, 2.1
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 24.87 2.45 20.411 0.107 AB
SDSS_g 104.02 2.71 18.857 0.028 AB
DES_g 106.23 0.62 18.834 0.006 AB
PanSTARRS_g 123.89 0.55 18.667 0.005 AB
SDSS_r 190.48 3.75 18.200 0.021 AB
PanSTARRS_r 209.3 0.61 18.098 0.003 AB
DES_r 209.1 1.32 18.099 0.007 AB
SDSS_i 267.53 4.6 17.832 0.019 AB
PanSTARRS_i 286.38 0.64 17.758 0.002 AB
PanSTARRS_z 332.8 1.56 17.595 0.005 AB
SDSS_z 350.25 8.69 17.539 0.027 AB
PanSTARRS_y 431.75 3.91 17.312 0.010 AB

Aperture details

RA, DEC (J2000):22h10m57.86s, 18d48m41.99s
semi major axis, semi minor axis (arcsec):21.51, 8.19
angle (degrees, anti-clockwise from east):-73.86
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 60.58 6.73 19.444 0.121 AB
GALEX_NUV 102.23 5.59 18.876 0.059 AB
SDSS_u 258.8 14.29 17.868 0.060 AB
SDSS_g 1362.72 10.35 16.064 0.008 AB
DES_g 1434.75 2.36 16.008 0.002 AB
PanSTARRS_g 1498.23 3.24 15.961 0.002 AB
SDSS_r 2519.48 14.86 15.397 0.006 AB
PanSTARRS_r 2613.34 3.51 15.357 0.001 AB
DES_r 2814.42 4.95 15.277 0.002 AB
SDSS_i 3603.39 19.26 15.008 0.006 AB
PanSTARRS_i 3648.33 3.8 14.995 0.001 AB
PanSTARRS_z 4145.59 9.55 14.856 0.003 AB
SDSS_z 4710.06 49.28 14.717 0.011 AB
PanSTARRS_y 5461.47 24.43 14.557 0.005 AB
2MASS_J 6488.63 363.56 13.475 0.061 Vega
2MASS_H 9322.29 577.53 12.609 0.067 Vega
2MASS_K 6715.07 551.86 12.495 0.089 Vega
WISE_W1 4255.4 41.68 12.129 0.011 Vega
WISE_W2 2845.41 47.16 11.926 0.018 Vega
WISE_W3 13670.45 212.85 8.387 0.017 Vega
WISE_W4 15285.99 1467.79 6.819 0.104 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.439 9.586 9.726
{\rm log}_{10}({\rm SFR}) -1.122 -0.539 -0.093
{\rm log}_{10}({\rm sSFR}) -10.747 -10.139 -9.641
{\rm stellar\ age} 4.246 6.622 8.496

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.523 -0.899 -0.360
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.704 -0.091 0.205

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.403 0.917 1.301
\delta -0.391 -0.022 0.212
\tau_1/\tau_2 0.695 1.044 1.371
Q_{PAH} 0.435 1.855 4.171
U_{min} 2.802 7.551 14.588
{\rm log}_{10}(\gamma_e)\, -3.378 -2.189 -0.992

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.099 -2.101 -0.786
{\rm log}_{10}(\tau_{AGN})\, 0.966 1.432 1.856

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.039 -0.546 -0.183
0.03-0.10 Gyr -1.436 -0.566 -0.053
0.10-0.33 Gyr -1.462 -0.468 0.087
0.33-1.09 Gyr -1.210 -0.426 0.020
1.09-3.58 Gyr -1.019 -0.392 -0.104
3.58-11.80 Gyr -1.006 -0.406 -0.165
11.80-13.11 Gyr -1.024 -0.312 0.298

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.672 10.743 10.813
{\rm log}_{10}({\rm SFR}) 0.168 0.355 0.555
{\rm log}_{10}({\rm sSFR}) -10.573 -10.384 -10.183
{\rm stellar\ age} 6.788 7.678 9.069

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.786 -0.536 -0.325
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.979 -0.172 -0.031

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.466 0.626 0.807
\delta -0.101 0.020 0.126
\tau_1/\tau_2 0.770 1.079 1.421
Q_{PAH} 0.467 1.106 1.974
U_{min} 2.740 6.961 13.556
{\rm log}_{10}(\gamma_e)\, -3.027 -2.176 -1.686

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.348 -2.269 -1.765
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.442 1.855

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.538 0.694 0.866
0.03-0.10 Gyr -0.623 -0.008 0.407
0.10-0.33 Gyr -0.531 0.001 0.359
0.33-1.09 Gyr -0.301 0.202 0.531
1.09-3.58 Gyr 0.120 0.589 0.853
3.58-11.80 Gyr 0.674 0.874 1.000
11.80-13.11 Gyr 0.532 1.014 1.524