2025gyn results

Information

Transient
Name:AT2025gyn
Right ascension: 22h54m29.79s
Declination:29d35m05.89s
Discovery Date:April 7, 2025, 12:06 p.m.
Classification:None
Redshift:None
MW E(B-V):0.055
Host
Name:2025gyn
Right ascension: 22h54m29.21s
Declination:29d35m00.54s
Redshift:0.054043
Photometric Redshift:0.077
 

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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.85
Transient MWEBV processed 0.05
Host match processed 5.46
Host information processed 0.09
Host MWEBV processed 0.07
Global aperture construction processed 0.6
Global aperture photometry processed 6.69
Validate global photometry processed 17.09
Global host SED inference processed 913.38
Local aperture photometry processed 6.45
Validate local photometry processed 0.02
Local host SED inference processed 402.48
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h54m29.79s, 29d35m05.89s
semi major axis, semi minor axis (arcsec):1.9, 1.9
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 2.58 1.75 22.872 0.737 AB
SDSS_g 14.38 1.18 21.005 0.089 AB
DES_g 14.53 0.26 20.994 0.019 AB
PanSTARRS_g 15.86 0.56 20.899 0.038 AB
SDSS_r 35.65 1.81 20.020 0.055 AB
PanSTARRS_r 33.22 0.6 20.096 0.019 AB
DES_r 33.56 0.55 20.085 0.018 AB
SDSS_i 51.37 2.74 19.623 0.058 AB
PanSTARRS_i 49.36 0.69 19.667 0.015 AB
PanSTARRS_z 60.49 1.35 19.446 0.024 AB
SDSS_z 56.82 6.37 19.514 0.122 AB
DES_z 52.04 3.07 19.609 0.064 AB
PanSTARRS_y 80.73 3.48 19.132 0.047 AB

Aperture details

RA, DEC (J2000):22h54m29.19s, 29d35m00.64s
semi major axis, semi minor axis (arcsec):15.33, 10.72
angle (degrees, anti-clockwise from east):-98.73
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.64 2.83 20.847 0.185 AB
GALEX_NUV 12.84 2.88 21.129 0.243 AB
SDSS_u 240.96 12.09 17.945 0.054 AB
SDSS_g 1337.2 10.45 16.085 0.008 AB
DES_g 1450.91 2.42 15.996 0.002 AB
PanSTARRS_g 1485.5 3.85 15.970 0.003 AB
SDSS_r 3250.61 16.08 15.120 0.005 AB
PanSTARRS_r 3188.53 4.06 15.141 0.001 AB
DES_r 3504.4 5.36 15.038 0.002 AB
SDSS_i 4933.41 22.7 14.667 0.005 AB
PanSTARRS_i 4902.84 4.71 14.674 0.001 AB
PanSTARRS_z 6127.75 9.22 14.432 0.002 AB
SDSS_z 6418.43 45.78 14.381 0.008 AB
DES_z 6288.62 32.09 14.404 0.006 AB
PanSTARRS_y 7920.3 23.36 14.153 0.003 AB
2MASS_J 9607.96 296.41 13.049 0.033 Vega
2MASS_H 12826.39 503.17 12.262 0.043 Vega
2MASS_K 11016.05 467.99 11.957 0.046 Vega
WISE_W1 4773.72 52.16 12.004 0.012 Vega
WISE_W2 2722.06 49.08 11.974 0.020 Vega
WISE_W3 691.04 131.93 11.627 0.207 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.903 9.082 9.228
{\rm log}_{10}({\rm SFR}) -1.715 -1.156 -0.653
{\rm log}_{10}({\rm sSFR}) -10.842 -10.254 -9.710
{\rm stellar\ age} 5.541 7.157 9.136

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.717 -1.218 -0.565
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.579 -0.649 0.120

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.888 1.254 1.549
\delta -0.281 -0.032 0.179
\tau_1/\tau_2 0.670 0.992 1.317
Q_{PAH} 0.718 2.238 4.841
U_{min} 2.748 7.506 13.893
{\rm log}_{10}(\gamma_e)\, -2.948 -1.952 -0.686

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.340 -1.497 -0.438
{\rm log}_{10}(\tau_{AGN})\, 0.990 1.447 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.487 -0.974 -0.582
0.03-0.10 Gyr -2.160 -1.300 -0.678
0.10-0.33 Gyr -2.303 -1.391 -0.782
0.33-1.08 Gyr -2.195 -1.289 -0.803
1.08-3.56 Gyr -1.815 -0.996 -0.715
3.56-11.73 Gyr -1.341 -0.869 -0.646
11.73-13.04 Gyr -1.415 -0.772 -0.076

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.133 11.157 11.185
{\rm log}_{10}({\rm SFR}) -1.918 -1.383 -0.948
{\rm log}_{10}({\rm sSFR}) -13.071 -12.531 -12.121
{\rm stellar\ age} 12.156 12.368 12.382

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.641 -0.503 -0.387
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.511 -0.253 0.282

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.200 0.306
\delta -0.571 -0.322 -0.103
\tau_1/\tau_2 0.311 0.776 1.277
Q_{PAH} 0.299 0.924 2.287
U_{min} 3.775 10.062 18.085
{\rm log}_{10}(\gamma_e)\, -2.178 -1.440 -0.888

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.622 -3.930 -2.974
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.579 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.610 -1.107 -0.682
0.03-0.10 Gyr -4.937 -2.521 -1.129
0.10-0.33 Gyr -6.570 -3.588 -1.498
0.33-1.08 Gyr -6.985 -3.697 -1.547
1.08-3.56 Gyr -4.848 -2.619 -1.089
3.56-11.73 Gyr -2.250 -1.193 0.119
11.73-13.04 Gyr 2.259 2.294 2.322