2025gcn results

Information

Transient
Name:AT2025gcn
Right ascension: 12h42m46.61s
Declination:-22d59m39.56s
Discovery Date:March 23, 2025, 7:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.063
Host
Name:2025gcn
Right ascension: 12h42m46.50s
Declination:-22d59m40.52s
Redshift:None
Photometric Redshift:0.134
 

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: blocked

Task Name Status Time (s)
Cutout download processed 14.93
Transient MWEBV processed 0.04
Host match processed 2.36
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.52
Validate global photometry processed 16.25
Global host SED inference processed 400.72
Local aperture photometry processed 5.53
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):12h42m46.51s, -22d59m40.23s
semi major axis, semi minor axis (arcsec):6.26, 4.16
angle (degrees, anti-clockwise from east):-101.32
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.68 3.12 21.435 0.350 AB
GALEX_NUV 14.28 2.01 21.013 0.153 AB
SDSS_u 16.58 5.53 20.851 0.362 AB
SDSS_g 86.19 3.02 19.061 0.038 AB
PanSTARRS_g 89.14 1.53 19.025 0.019 AB
SDSS_r 145.52 4.27 18.493 0.032 AB
PanSTARRS_r 131.73 1.74 18.601 0.014 AB
SDSS_i 192.75 5.89 18.188 0.033 AB
PanSTARRS_i 184.32 1.74 18.236 0.010 AB
PanSTARRS_z 199.5 3.4 18.150 0.019 AB
SDSS_z 266.43 17.58 17.836 0.072 AB
PanSTARRS_y 221.36 7.23 18.037 0.035 AB
2MASS_J 126.34 108.78 17.751 0.935 Vega
2MASS_H 534.9 172.92 15.712 0.351 Vega
2MASS_K 513.91 230.44 15.285 0.487 Vega
WISE_W1 112.68 10.88 16.071 0.105 Vega
WISE_W2 78.89 14.21 15.819 0.196 Vega
WISE_W3 186.44 53.67 13.050 0.313 Vega
WISE_W4 133.36 315.61 11.967 2.569 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.936 10.013 10.108
{\rm log}_{10}({\rm SFR}) -0.120 0.195 0.532
{\rm log}_{10}({\rm sSFR}) -10.136 -9.824 -9.473
{\rm stellar\ age} 4.633 5.707 6.660

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.221 -0.819 -0.443
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.115 0.259 0.410

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.120 0.211 0.352
\delta -0.700 -0.291 0.048
\tau_1/\tau_2 0.744 1.069 1.413
Q_{PAH} 0.316 1.040 2.338
U_{min} 2.330 6.802 13.942
{\rm log}_{10}(\gamma_e)\, -2.916 -2.040 -1.071

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.290 -3.236 -2.160
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.508 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.419 -0.203 -0.027
0.03-0.10 Gyr -0.069 0.302 0.670
0.10-0.32 Gyr 0.275 0.525 0.746
0.32-1.04 Gyr -0.070 0.240 0.470
1.04-3.36 Gyr -0.141 0.120 0.321
3.36-10.84 Gyr -0.124 0.105 0.264
10.84-12.04 Gyr -0.379 0.086 0.510