2025gyg results

Information

Transient
Name:SN2025gyg
Right ascension: 21h53m42.17s
Declination:37d21m09.02s
Discovery Date:March 21, 2025, 12:31 p.m.
Classification:SN IIb
Redshift:0.015000
MW E(B-V):0.209
Host
Name:2025gyg
Right ascension: 21h53m42.20s
Declination:37d21m09.87s
Redshift:0.026828
Photometric Redshift:0.022
 

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 0.51
Transient MWEBV processed 0.03
Host match processed 4.05
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 4.41
Validate global photometry processed 13.56
Global host SED inference processed 644.76
Local aperture photometry processed 4.11
Validate local photometry processed 0.02
Local host SED inference processed 538.73
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h53m42.17s, 37d21m09.02s
semi major axis, semi minor axis (arcsec):3.71, 3.71
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 393.39 0.92 17.413 0.003 AB
PanSTARRS_r 646.37 1.07 16.874 0.002 AB
PanSTARRS_i 842.45 1.41 16.586 0.002 AB
PanSTARRS_z 1026.62 3.04 16.371 0.003 AB
PanSTARRS_y 1160.83 7.89 16.238 0.007 AB
2MASS_J 1270.45 87.84 15.245 0.075 Vega
2MASS_H 1685.04 144.57 14.466 0.093 Vega
2MASS_K 1424.71 137.42 14.178 0.105 Vega

Aperture details

RA, DEC (J2000):21h53m42.21s, 37d21m10.21s
semi major axis, semi minor axis (arcsec):10.75, 3.69
angle (degrees, anti-clockwise from east):-149.57
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 31.85 5.67 20.142 0.193 AB
GALEX_NUV 37.54 3.69 19.964 0.107 AB
PanSTARRS_g 573.26 1.5 17.004 0.003 AB
PanSTARRS_r 947.22 1.7 16.459 0.002 AB
PanSTARRS_i 1286.44 2.3 16.127 0.002 AB
PanSTARRS_z 1647.4 5.03 15.858 0.003 AB
PanSTARRS_y 1898.31 13.17 15.704 0.008 AB
2MASS_J 1860.36 166.13 14.831 0.097 Vega
2MASS_H 2903.25 271.93 13.875 0.102 Vega
2MASS_K 2418.91 260.77 13.603 0.117 Vega
WISE_W1 948.23 48.98 13.759 0.056 Vega
WISE_W2 551.63 43.15 13.707 0.085 Vega
WISE_W3 860.97 80.62 11.389 0.102 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.135 9.382 9.546
{\rm log}_{10}({\rm SFR}) -1.315 -0.391 0.182
{\rm log}_{10}({\rm sSFR}) -10.720 -9.769 -9.137
{\rm stellar\ age} 2.053 5.895 7.955

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.569 -1.053 -0.556
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.795 -1.156 -0.147

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.165 0.417 0.665
\delta -0.550 -0.189 0.212
\tau_1/\tau_2 0.653 1.047 1.442
Q_{PAH} 0.681 2.332 4.321
U_{min} 2.908 8.542 16.514
{\rm log}_{10}(\gamma_e)\, -3.409 -1.714 -0.861

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.234 -2.695 -1.062
{\rm log}_{10}(\tau_{AGN})\, 0.877 1.360 1.902

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.664 -0.937 -0.622
0.03-0.10 Gyr -1.567 -0.283 0.330
0.10-0.33 Gyr -1.147 -0.228 0.332
0.33-1.10 Gyr -1.796 -0.563 -0.147
1.10-3.64 Gyr -2.112 -0.629 -0.255
3.64-12.06 Gyr -2.488 -0.732 -0.353
12.06-13.40 Gyr -2.509 -0.724 0.023

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.704 9.788 9.897
{\rm log}_{10}({\rm SFR}) -0.667 -0.392 -0.090
{\rm log}_{10}({\rm sSFR}) -10.523 -10.198 -9.829
{\rm stellar\ age} 7.861 9.484 12.293

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.972 -0.813 -0.677
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.101 -0.431 0.042

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.025 0.058 0.118
\delta -0.888 -0.623 -0.197
\tau_1/\tau_2 0.720 1.156 1.600
Q_{PAH} 0.268 1.000 2.782
U_{min} 2.758 7.877 14.770
{\rm log}_{10}(\gamma_e)\, -3.175 -2.334 -1.537

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.478 -3.689 -2.830
{\rm log}_{10}(\tau_{AGN})\, 1.118 1.597 1.963

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.190 -0.834 -0.651
0.03-0.10 Gyr -0.623 -0.282 0.054
0.10-0.33 Gyr -1.737 -0.746 -0.284
0.33-1.10 Gyr -2.480 -1.304 -0.704
1.10-3.64 Gyr -2.418 -1.282 -0.666
3.64-12.06 Gyr -1.137 -0.207 -0.028
12.06-13.40 Gyr -0.159 0.490 0.993