2025ktm

Download data

Information

Transient

Name: AT2025ktm
Right ascension: 23h26m13.30s
Declination: 5d01m23.57s
Discovery Date: May 16, 2025, 11:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name: 2025ktm
Right ascension: 23h26m13.41s
Declination: 5d01m22.82s
Redshift: None
Photometric Redshift: 0.066
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 1.76
Cutout download processed 3.21
Global aperture construction processed 0.64
Local aperture photometry processed 7.9
Global aperture photometry processed 8.11
Validate local photometry processed 0.03
Validate global photometry processed 20.48
Host information processed 0.11
Global host SED inference processed 738.75
Local host SED inference processed 428.93
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 23h26m13.30s, 5d01m23.57s
semi major axis, semi minor axis (arcsec) = 1.58, 1.58
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 9.87 1.58 21.415 0.174 AB
SDSS_g 25.7 1.37 20.375 0.058 AB
DES_g 26.09 0.22 20.359 0.009 AB
PanSTARRS_g 28.6 0.35 20.259 0.013 AB
SDSS_r 42.52 1.82 19.829 0.047 AB
PanSTARRS_r 44.26 0.39 19.785 0.010 AB
DES_r 43.76 1.06 19.797 0.026 AB
SDSS_i 53.06 2.2 19.588 0.045 AB
PanSTARRS_i 59.29 0.36 19.467 0.007 AB
PanSTARRS_z 69.04 1.07 19.302 0.017 AB
SDSS_z 57.99 6.41 19.492 0.120 AB
DES_z 60.98 1.7 19.437 0.030 AB
PanSTARRS_y 79.28 2.48 19.152 0.034 AB

Aperture details

RA, DEC (J2000) = 23h26m13.38s, 5d01m23.01s
semi major axis, semi minor axis (arcsec) = 12.57, 6.59
angle (degrees, anti-clockwise from east) = -82.77

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.75 3.45 20.461 0.158 AB
GALEX_NUV 39.42 2.82 19.911 0.078 AB
SDSS_u 107.74 8.51 18.819 0.086 AB
SDSS_g 219.77 4.53 18.045 0.022 AB
DES_g 240.05 0.78 17.949 0.004 AB
PanSTARRS_g 229.15 1.93 18.000 0.009 AB
SDSS_r 360.49 6.36 17.508 0.019 AB
PanSTARRS_r 331.38 2.16 17.599 0.007 AB
DES_r 378.94 3.4 17.454 0.010 AB
SDSS_i 430.5 8.56 17.315 0.022 AB
PanSTARRS_i 419.37 2.02 17.344 0.005 AB
PanSTARRS_z 515.68 6.08 17.119 0.013 AB
SDSS_z 485.42 35.77 17.185 0.080 AB
DES_z 516.35 5.47 17.118 0.012 AB
PanSTARRS_y 619.49 14.18 16.920 0.025 AB
2MASS_J 519.78 208.69 16.216 0.436 Vega
2MASS_H 1108.27 332.64 14.921 0.326 Vega
2MASS_K 418.16 336.26 15.509 0.873 Vega
WISE_W1 276.9 16.49 15.095 0.065 Vega
WISE_W2 150.45 22.57 15.117 0.163 Vega
WISE_W3 197.37 125.57 12.988 0.691 Vega
WISE_W4 249.33 475.65 11.288 2.071 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})\, 8.865 9.031 9.161
{\rm log}_{10}({\rm SFR}) -1.991 -1.209 -0.502
{\rm log}_{10}({\rm sSFR}) -11.037 -10.266 -9.507
{\rm stellar\ age} 3.663 6.306 7.821

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.656 -1.130 -0.539
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.544 -0.755 0.030

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.168 0.567 0.989
\delta -0.472 -0.055 0.254
\tau_1/\tau_2 0.668 1.032 1.372
Q_{PAH} 0.999 2.585 4.707
U_{min} 2.985 8.145 15.707
{\rm log}_{10}(\gamma_e)\, -2.944 -1.747 -0.617

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.534 -0.802 -0.036
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.378 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.233 -1.606 -1.148
0.03-0.10 Gyr -2.044 -1.148 -0.371
0.10-0.33 Gyr -1.732 -0.881 -0.316
0.33-1.08 Gyr -1.766 -0.968 -0.527
1.08-3.53 Gyr -1.787 -0.955 -0.680
3.53-11.59 Gyr -1.610 -0.937 -0.702
11.59-12.88 Gyr -1.833 -0.942 -0.397

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.487 9.712 9.893
{\rm log}_{10}({\rm SFR}) 0.473 0.758 1.121
{\rm log}_{10}({\rm sSFR}) -9.312 -8.927 -8.418
{\rm stellar\ age} 4.322 7.128 10.679

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.829 -0.501 -0.343
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.126 0.305 0.443

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.188 0.293 0.480
\delta -0.870 -0.616 -0.378
\tau_1/\tau_2 0.449 0.955 1.503
Q_{PAH} 0.233 0.813 1.770
U_{min} 3.259 9.008 16.087
{\rm log}_{10}(\gamma_e)\, -3.438 -2.669 -1.522

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.318 -3.357 -2.395
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.538 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.912 -1.522 -0.716
0.03-0.10 Gyr 0.634 0.919 1.284
0.10-0.33 Gyr -3.164 -1.557 -0.146
0.33-1.08 Gyr -5.156 -2.336 -0.543
1.08-3.53 Gyr -4.062 -1.101 -0.210
3.53-11.59 Gyr -2.146 -0.454 -0.070
11.59-12.88 Gyr -1.835 -0.039 0.882