2025gyg

Download data

Information

Transient

Name: AT2025gyg
Right ascension: 21h53m42.17s
Declination: 37d21m09.02s
Discovery Date: March 21, 2025, 12:31 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.209

Host

Name: 2025gyg
Right ascension: 21h53m42.20s
Declination: 37d21m09.87s
Redshift: 0.026828
Photometric Redshift: 0.022
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.16
Cutout download processed 4.43
Global aperture construction processed 0.7
Local aperture photometry processed 4.25
Global aperture photometry processed 4.18
Validate local photometry processed 0.02
Validate global photometry processed 12.39
Host information processed 0.09
Global host SED inference processed 570.88
Local host SED inference processed 562.74
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.06
Log transient processing status processed None
 

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) = 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
 

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})\, 9.116 9.370 9.547
{\rm log}_{10}({\rm SFR}) -1.463 -0.384 0.213
{\rm log}_{10}({\rm sSFR}) -10.870 -9.818 -9.112
{\rm stellar\ age} 1.520 5.508 7.770

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.629 -1.026 -0.491
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.783 -1.125 -0.258

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.146 0.435 0.693
\delta -0.599 -0.240 0.125
\tau_1/\tau_2 0.635 1.052 1.464
Q_{PAH} 1.057 2.359 4.161
U_{min} 2.994 8.361 16.017
{\rm log}_{10}(\gamma_e)\, -3.433 -1.721 -0.726

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.255 -2.794 -1.003
{\rm log}_{10}(\tau_{AGN})\, 0.920 1.564 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.660 -0.935 -0.537
0.03-0.10 Gyr -1.766 -0.284 0.361
0.10-0.33 Gyr -1.362 -0.211 0.393
0.33-1.10 Gyr -1.727 -0.540 -0.090
1.10-3.64 Gyr -2.160 -0.632 -0.259
3.64-12.06 Gyr -2.912 -0.790 -0.371
12.06-13.40 Gyr -2.982 -0.803 -0.071

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.701 9.783 9.887
{\rm log}_{10}({\rm SFR}) -0.663 -0.379 -0.063
{\rm log}_{10}({\rm sSFR}) -10.490 -10.181 -9.850
{\rm stellar\ age} 7.810 9.275 12.173

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.975 -0.822 -0.680
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.051 -0.444 0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.033 0.070 0.130
\delta -0.884 -0.620 -0.218
\tau_1/\tau_2 0.723 1.150 1.603
Q_{PAH} 0.212 0.858 2.585
U_{min} 2.805 7.441 14.762
{\rm log}_{10}(\gamma_e)\, -3.111 -2.194 -1.451

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.533 -3.785 -2.902
{\rm log}_{10}(\tau_{AGN})\, 1.088 1.602 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.107 -0.810 -0.623
0.03-0.10 Gyr -0.609 -0.267 0.077
0.10-0.33 Gyr -1.693 -0.768 -0.300
0.33-1.10 Gyr -2.398 -1.256 -0.691
1.10-3.64 Gyr -2.255 -1.230 -0.621
3.64-12.06 Gyr -1.020 -0.181 -0.024
12.06-13.40 Gyr -0.196 0.433 0.973