2025slk

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Information

Transient

Name: AT2025slk
Right ascension: 23h34m06.74s
Declination: 8d34m38.95s
Discovery Date: July 25, 2025, 11:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.089

Host

Name:
Right ascension: 23h34m06.77s
Declination: 8d34m41.91s
Redshift: 0.044608
Photometric Redshift: 0.065
 

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 5.53
Cutout download processed 24.12
Global aperture construction processed 0.63
Local aperture photometry processed 6.82
Global aperture photometry processed 6.23
Validate local photometry processed 0.03
Validate global photometry processed 17.08
Host information processed 0.15
Global host SED inference processed 398.6
Local host SED inference processed 556.74
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
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) = 23h34m06.74s, 8d34m38.95s
semi major axis, semi minor axis (arcsec) = 2.28, 2.28
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 18.49 2.18 20.733 0.128 AB
SDSS_g 94.87 2.68 18.957 0.031 AB
DES_g 98.19 0.48 18.920 0.005 AB
PanSTARRS_g 84.57 0.79 19.082 0.010 AB
SDSS_r 205.25 3.93 18.119 0.021 AB
PanSTARRS_r 164.94 0.76 18.357 0.005 AB
DES_r 223.48 1.11 18.027 0.005 AB
SDSS_i 323.24 5.03 17.626 0.017 AB
PanSTARRS_i 248.9 0.96 17.910 0.004 AB
PanSTARRS_z 320.12 2.05 17.637 0.007 AB
SDSS_z 443.47 9.07 17.283 0.022 AB
DES_z 453.85 4.04 17.258 0.010 AB
PanSTARRS_y 415.12 6.62 17.355 0.017 AB

Aperture details

RA, DEC (J2000) = 23h34m06.67s, 8d34m41.38s
semi major axis, semi minor axis (arcsec) = 15.52, 6.21
angle (degrees, anti-clockwise from east) = -118.16

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.64 2.7 21.146 0.232 AB
GALEX_NUV 31.83 2.94 20.143 0.100 AB
SDSS_u 114.44 8.82 18.754 0.084 AB
SDSS_g 783.81 8.29 16.664 0.011 AB
DES_g 800.05 1.45 16.642 0.002 AB
PanSTARRS_g 882.62 3.36 16.536 0.004 AB
SDSS_r 1677.37 12.0 15.838 0.008 AB
PanSTARRS_r 1610.55 3.21 15.883 0.002 AB
DES_r 1784.22 3.3 15.771 0.002 AB
SDSS_i 2572.58 15.48 15.374 0.007 AB
PanSTARRS_i 2427.18 4.04 15.437 0.002 AB
PanSTARRS_z 3276.51 8.69 15.111 0.003 AB
SDSS_z 3479.01 34.89 15.046 0.011 AB
DES_z 3268.3 11.11 15.114 0.004 AB
2MASS_J 5041.81 273.34 13.749 0.059 Vega
2MASS_H 7409.82 436.77 12.858 0.064 Vega
2MASS_K 6739.86 459.79 12.491 0.074 Vega
WISE_W1 3306.79 36.99 12.402 0.012 Vega
WISE_W2 2316.68 47.46 12.149 0.022 Vega
WISE_W3 11659.55 165.67 8.559 0.015 Vega
WISE_W4 19058.67 1319.09 6.580 0.075 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})\, 9.367 9.541 9.678
{\rm log}_{10}({\rm SFR}) -0.669 -0.274 0.112
{\rm log}_{10}({\rm sSFR}) -10.321 -9.843 -9.298
{\rm stellar\ age} 4.780 6.849 8.548

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.853 -0.262 0.051
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.620 -0.209 0.092

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.609 0.971 1.341
\delta -0.630 -0.254 0.010
\tau_1/\tau_2 0.608 0.949 1.279
Q_{PAH} 0.580 1.929 3.659
U_{min} 2.449 7.088 13.704
{\rm log}_{10}(\gamma_e)\, -3.512 -2.480 -1.374

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.351 -3.043 -0.942
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.476 1.934

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.423 -0.118 0.134
0.03-0.10 Gyr -1.040 -0.392 0.114
0.10-0.33 Gyr -1.235 -0.590 -0.107
0.33-1.09 Gyr -1.320 -0.636 -0.216
1.09-3.59 Gyr -1.154 -0.517 -0.212
3.59-11.84 Gyr -0.910 -0.437 -0.196
11.84-13.16 Gyr -1.071 -0.399 0.233

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.502 10.565 10.640
{\rm log}_{10}({\rm SFR}) -0.576 -0.074 0.251
{\rm log}_{10}({\rm sSFR}) -11.166 -10.634 -10.278
{\rm stellar\ age} 6.773 7.664 9.281

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.021 -0.743 -0.504
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.720 -1.320 -0.550

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.595 0.765 0.942
\delta -0.158 -0.008 0.123
\tau_1/\tau_2 0.568 0.921 1.285
Q_{PAH} 0.746 1.703 2.958
U_{min} 2.249 6.851 13.652
{\rm log}_{10}(\gamma_e)\, -3.401 -2.480 -1.654

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.405 -1.131 -0.921
{\rm log}_{10}(\tau_{AGN})\, 1.559 1.779 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.284 -0.295 0.088
0.03-0.10 Gyr -0.681 -0.039 0.344
0.10-0.33 Gyr -0.092 0.286 0.573
0.33-1.09 Gyr -0.174 0.268 0.560
1.09-3.59 Gyr -0.021 0.413 0.664
3.59-11.84 Gyr 0.466 0.683 0.805
11.84-13.16 Gyr 0.387 0.875 1.399