2025gkb

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Information

Transient

Name: AT2025gkb
Right ascension: 14h21m31.48s
Declination: 24d08m44.92s
Discovery Date: March 21, 2025, 9:11 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2025gkb
Right ascension: 14h21m31.45s
Declination: 24d08m44.87s
Redshift: 0.084079
Photometric Redshift: 0.140
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.58
Cutout download processed 19.11
Global aperture construction processed 0.7
Local aperture photometry processed 5.72
Global aperture photometry processed 6.05
Validate local photometry processed 0.02
Validate global photometry processed 18.75
Host information processed 0.09
Global host SED inference processed 581.36
Local host SED inference processed 728.32
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.05
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) = 14h21m31.48s, 24d08m44.92s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 389.45 0.93 17.424 0.003 AB
PanSTARRS_r 301.29 0.5 17.703 0.002 AB
DES_r 606.53 1.95 16.943 0.003 AB
SDSS_i 711.51 6.97 16.770 0.011 AB
PanSTARRS_i 530.01 0.63 17.089 0.001 AB
PanSTARRS_z 606.92 1.03 16.942 0.002 AB
DES_z 672.84 5.15 16.830 0.008 AB

Aperture details

RA, DEC (J2000) = 14h21m31.43s, 24d08m45.00s
semi major axis, semi minor axis (arcsec) = 5.01, 4.5
angle (degrees, anti-clockwise from east) = -86.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 248.56 16.87 17.911 0.074 AB
GALEX_NUV 260.09 7.22 17.862 0.030 AB
SDSS_u 541.31 7.0 17.066 0.014 AB
SDSS_g 730.37 7.1 16.741 0.011 AB
DES_g 750.02 1.32 16.712 0.002 AB
PanSTARRS_g 612.92 1.23 16.931 0.002 AB
SDSS_r 945.31 8.2 16.461 0.009 AB
PanSTARRS_r 804.36 1.4 16.636 0.002 AB
DES_r 1120.61 2.72 16.276 0.003 AB
SDSS_i 1351.99 9.97 16.073 0.008 AB
PanSTARRS_i 1170.11 1.77 16.229 0.002 AB
PanSTARRS_z 1316.24 3.27 16.102 0.003 AB
SDSS_z 1511.8 16.09 15.951 0.012 AB
2MASS_J 1836.34 111.25 14.845 0.066 Vega
2MASS_H 2372.52 157.17 14.094 0.072 Vega
2MASS_K 3076.16 174.23 13.342 0.061 Vega
WISE_W1 2168.01 23.68 12.861 0.012 Vega
WISE_W2 2854.21 35.63 11.922 0.014 Vega
WISE_W3 5910.76 64.44 9.297 0.012 Vega
WISE_W4 15262.96 706.43 6.821 0.050 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})\, 9.513 10.064 10.274
{\rm log}_{10}({\rm SFR}) 0.244 0.856 1.228
{\rm log}_{10}({\rm sSFR}) -10.027 -9.190 -8.313
{\rm stellar\ age} 2.193 6.301 8.036

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.720 -0.252 0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.022 -0.755 -0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.319 0.758 1.105
\delta -0.615 -0.167 0.244
\tau_1/\tau_2 0.598 1.063 1.554
Q_{PAH} 0.278 1.593 5.230
U_{min} 2.955 8.236 15.802
{\rm log}_{10}(\gamma_e)\, -3.283 -1.889 -0.559

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.236 -0.504 0.295
{\rm log}_{10}(\tau_{AGN})\, 1.248 1.801 2.096

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.543 1.042 1.340
0.03-0.10 Gyr -0.463 0.625 1.218
0.10-0.33 Gyr -1.385 -0.143 0.587
0.33-1.07 Gyr -1.823 -0.353 0.233
1.07-3.49 Gyr -1.548 -0.173 0.286
3.49-11.39 Gyr -1.349 0.043 0.404
11.39-12.65 Gyr -1.519 0.096 0.781

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.175 10.378 10.519
{\rm log}_{10}({\rm SFR}) 1.186 1.400 1.639
{\rm log}_{10}({\rm sSFR}) -9.291 -8.977 -8.587
{\rm stellar\ age} 5.517 7.099 9.409

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.373 -0.107 0.070
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.262 0.382 0.463

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.364 0.593
\delta -0.056 0.192 0.306
\tau_1/\tau_2 0.539 0.921 1.318
Q_{PAH} 0.127 0.435 1.148
U_{min} 2.348 6.836 14.092
{\rm log}_{10}(\gamma_e)\, -3.598 -2.885 -1.848

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.059 -0.931 -0.810
{\rm log}_{10}(\tau_{AGN})\, 0.796 0.874 0.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.399 0.647 0.893
0.03-0.10 Gyr 1.322 1.540 1.779
0.10-0.33 Gyr -1.585 -0.232 0.405
0.33-1.07 Gyr -3.233 -0.685 -0.104
1.07-3.49 Gyr -1.518 -0.081 0.348
3.49-11.39 Gyr -0.457 0.405 0.647
11.39-12.65 Gyr -0.177 0.619 1.338