2025km

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Information

Transient

Name: AT2025km
Right ascension: 1h46m46.31s
Declination: 17d24m01.23s
Discovery Date: Jan. 11, 2025, 3:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name: 2025km
Right ascension: 1h46m46.28s
Declination: 17d24m06.48s
Redshift: None
Photometric Redshift: 0.038
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.06
Cutout download processed 17.66
Global aperture construction processed 1.87
Local aperture photometry processed 4.97
Global aperture photometry processed 4.97
Validate local photometry processed 0.02
Validate global photometry processed 41.84
Host information processed 0.09
Global host SED inference processed 576.78
Local host SED inference processed 419.1
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) = 1h46m46.31s, 17d24m01.23s
semi major axis, semi minor axis (arcsec) = 2.67, 2.67
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 13.8 2.84 21.051 0.223
SDSS_g 52.43 2.03 19.601 0.042
DES_g 56.16 12.35 19.526 0.239
PanSTARRS_g 49.83 0.83 19.656 0.018
SDSS_r 79.94 2.63 19.143 0.036
PanSTARRS_r 73.49 0.82 19.234 0.012
DES_r 86.29 0.98 19.060 0.012
SDSS_i 105.58 3.42 18.841 0.035
PanSTARRS_i 106.58 0.94 18.831 0.010
PanSTARRS_z 120.14 1.88 18.701 0.017
SDSS_z 113.94 8.12 18.758 0.077
DES_z 119.78 2.82 18.704 0.026
PanSTARRS_y 118.75 4.62 18.713 0.042

Aperture details

RA, DEC (J2000) = 1h46m46.27s, 17d24m06.31s
semi major axis, semi minor axis (arcsec) = 13.87, 4.18
angle (degrees, anti-clockwise from east) = -8.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 64.35 8.24 19.379 0.139
SDSS_g 245.99 4.68 17.923 0.021
DES_g 229.68 57.72 17.997 0.273
PanSTARRS_g 238.06 2.35 17.958 0.011
SDSS_r 387.31 6.25 17.430 0.018
PanSTARRS_r 406.46 2.25 17.377 0.006
DES_r 382.19 2.17 17.444 0.006
SDSS_i 512.42 8.51 17.126 0.018
PanSTARRS_i 510.14 2.55 17.131 0.005
PanSTARRS_z 606.86 5.13 16.942 0.009
SDSS_z 538.99 22.66 17.071 0.046
DES_z 548.86 6.28 17.051 0.012
PanSTARRS_y 641.22 12.42 16.882 0.021
2MASS_J 601.73 165.96 16.057 0.299
2MASS_H 354.41 246.43 16.159 0.755
2MASS_K 412.07 354.65 15.525 0.934
WISE_W1 352.88 26.79 14.832 0.082
WISE_W2 212.76 33.78 14.741 0.172
WISE_W3 425.6 84.58 12.154 0.216
WISE_W4 39.86 494.82 13.279 13.478
 

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})\, 8.570 8.731 8.865
{\rm log}_{10}({\rm SFR}) -1.807 -1.384 -0.968
{\rm log}_{10}({\rm sSFR}) -10.586 -10.126 -9.608
{\rm stellar\ age} 3.941 6.293 7.838

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.511 -1.002 -0.538
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.639 -1.176 -0.865

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.286 0.505 0.763
\delta -0.704 -0.304 0.042
\tau_1/\tau_2 0.542 0.843 1.164
Q_{PAH} 0.784 2.592 5.279
U_{min} 2.922 7.573 14.060
{\rm log}_{10}(\gamma_e)\, -3.117 -2.170 -1.041

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.797 -1.154 -0.536
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.407 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.637 -1.318 -1.053
0.03-0.10 Gyr -2.068 -1.433 -0.926
0.10-0.33 Gyr -1.991 -1.287 -0.775
0.33-1.09 Gyr -1.755 -1.129 -0.778
1.09-3.61 Gyr -1.579 -1.173 -0.928
3.61-11.93 Gyr -1.770 -1.251 -1.000
11.93-13.25 Gyr -2.024 -1.271 -0.740

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.252 9.538 9.693
{\rm log}_{10}({\rm SFR}) -4.544 -2.103 -1.038
{\rm log}_{10}({\rm sSFR}) -13.800 -11.621 -10.553
{\rm stellar\ age} 2.576 7.405 10.574

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.713 -1.345 -0.850
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.571 -0.615 0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.165 0.320 0.476
\delta -0.362 0.124 0.324
\tau_1/\tau_2 0.496 0.891 1.310
Q_{PAH} 0.938 2.339 4.377
U_{min} 3.468 9.477 17.088
{\rm log}_{10}(\gamma_e)\, -2.782 -1.663 -0.859

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.593 -1.971 -1.471
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.354 1.792

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.726 -2.697 -1.631
0.03-0.10 Gyr -5.081 -2.199 -0.916
0.10-0.33 Gyr -4.232 -2.055 -0.821
0.33-1.09 Gyr -3.748 -1.466 -0.143
1.09-3.61 Gyr -2.558 -0.739 -0.068
3.61-11.93 Gyr -2.751 -0.585 -0.165
11.93-13.25 Gyr -3.010 -0.510 0.623