2025kem

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Information

Transient

Name: AT2025kem
Right ascension: 0h03m08.47s
Declination: 15d48m42.18s
Discovery Date: May 8, 2025, 11:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name: 2025kem
Right ascension: 0h03m08.47s
Declination: 15d48m42.26s
Redshift: 0.117637
Photometric Redshift: 0.122
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.91
Cutout download processed 16.79
Global aperture construction processed 0.64
Local aperture photometry processed 6.14
Global aperture photometry processed 6.7
Validate local photometry processed 0.02
Validate global photometry processed 20.17
Host information processed 0.09
Global host SED inference processed 497.3
Local host SED inference not enough filters 16.46
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Log transient processing status blocked 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) = 0h03m08.47s, 15d48m42.18s
semi major axis, semi minor axis (arcsec) = 0.94, 0.94
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 56.88 1.53 19.513 0.029 AB

Aperture details

RA, DEC (J2000) = 0h03m08.45s, 15d48m42.28s
semi major axis, semi minor axis (arcsec) = 7.61, 5.9
angle (degrees, anti-clockwise from east) = -1.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.01 2.48 20.959 0.179 AB
GALEX_NUV 27.82 2.39 20.289 0.093 AB
SDSS_u 58.94 6.85 19.474 0.126 AB
SDSS_g 165.5 3.95 18.353 0.026 AB
DES_g 165.18 0.64 18.355 0.004 AB
PanSTARRS_g 164.15 1.95 18.362 0.013 AB
SDSS_r 285.95 5.49 17.759 0.021 AB
PanSTARRS_r 268.41 2.36 17.828 0.010 AB
DES_r 291.83 1.29 17.737 0.005 AB
SDSS_i 373.98 7.7 17.468 0.022 AB
PanSTARRS_i 365.63 2.42 17.492 0.007 AB
PanSTARRS_z 448.79 5.39 17.270 0.013 AB
SDSS_z 631.34 22.94 16.899 0.039 AB
DES_z 451.4 4.65 17.264 0.011 AB
PanSTARRS_y 462.01 11.45 17.238 0.027 AB
2MASS_J 156.67 193.64 17.518 1.342 Vega
2MASS_H 940.82 338.08 15.099 0.390 Vega
2MASS_K 294.7 290.42 15.889 1.070 Vega
WISE_W1 291.29 17.03 15.040 0.063 Vega
WISE_W2 214.23 20.25 14.734 0.103 Vega
WISE_W3 478.72 95.24 12.026 0.216 Vega
WISE_W4 662.78 514.24 10.227 0.842 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.369 10.473 10.579
{\rm log}_{10}({\rm SFR}) 0.281 0.743 1.090
{\rm log}_{10}({\rm sSFR}) -10.201 -9.704 -9.359
{\rm stellar\ age} 6.850 8.306 11.327

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.291 -0.927 -0.621
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.603 -0.570 0.305

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.168 0.298 0.457
\delta -0.571 -0.241 0.024
\tau_1/\tau_2 0.505 1.035 1.538
Q_{PAH} 0.366 1.131 2.448
U_{min} 3.510 9.918 18.302
{\rm log}_{10}(\gamma_e)\, -3.046 -2.069 -1.153

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.590 -1.952 -1.468
{\rm log}_{10}(\tau_{AGN})\, 1.044 1.418 1.757

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.488 -2.188 -0.829
0.03-0.10 Gyr 0.437 0.906 1.252
0.10-0.32 Gyr -2.240 -0.260 0.636
0.32-1.05 Gyr -3.994 -1.862 -0.043
1.05-3.40 Gyr -3.382 -1.116 0.216
3.40-11.02 Gyr -1.207 0.463 0.731
11.02-12.24 Gyr -0.302 1.147 1.711