2025alrk

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Information

Transient

Name: AT2025alrk
Right ascension: 10h45m23.22s
Declination: 27d05m36.43s
Discovery Date: Nov. 15, 2025, 1:49 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 10h45m23.20s
Declination: 27d05m38.10s
Redshift: None
Photometric Redshift: 0.103
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.82
Transient MWEBV processed 0.15
Host match processed 5.97
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.07
Validate global photometry processed 18.65
Global host SED inference processed 401.54
Local aperture photometry processed 5.76
Validate local photometry processed 0.03
Local host SED inference processed 524.99
 

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) = 10h45m23.22s, 27d05m36.43s
semi major axis, semi minor axis (arcsec) = 1.05, 1.05
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 22.3 0.87 20.529 0.042 AB
PanSTARRS_y 15.23 1.6 20.943 0.114 AB

Aperture details

RA, DEC (J2000) = 10h45m23.19s, 27d05m38.28s
semi major axis, semi minor axis (arcsec) = 5.74, 3.87
angle (degrees, anti-clockwise from east) = -178.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.99 2.26 22.154 0.492 AB
GALEX_NUV 10.36 1.68 21.361 0.176 AB
SDSS_u 19.02 3.89 20.702 0.222 AB
SDSS_g 62.4 2.38 19.412 0.041 AB
DES_g 64.14 0.46 19.382 0.008 AB
PanSTARRS_g 65.19 1.09 19.364 0.018 AB
SDSS_r 97.89 3.36 18.923 0.037 AB
PanSTARRS_r 97.9 1.64 18.923 0.018 AB
DES_r 104.81 0.79 18.849 0.008 AB
SDSS_i 117.71 5.08 18.723 0.047 AB
PanSTARRS_i 131.2 1.47 18.605 0.012 AB
PanSTARRS_z 138.53 3.7 18.546 0.029 AB
SDSS_z 100.87 15.66 18.891 0.169 AB
DES_z 151.72 2.51 18.447 0.018 AB
PanSTARRS_y 127.39 7.0 18.637 0.060 AB
2MASS_J 127.65 140.03 17.740 1.191 Vega
2MASS_H 327.66 206.19 16.244 0.683 Vega
2MASS_K 321.28 259.78 15.795 0.878 Vega
WISE_W1 86.32 9.34 16.361 0.118 Vega
WISE_W2 83.45 13.0 15.757 0.169 Vega
WISE_W3 171.31 68.31 13.142 0.433 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.472 8.814 9.075
{\rm log}_{10}({\rm SFR}) -1.089 -0.582 -0.034
{\rm log}_{10}({\rm sSFR}) -10.024 -9.363 -8.628
{\rm stellar\ age} 2.384 6.040 7.955

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.693 -1.025 -0.147
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.328 -0.655 0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.339 0.724 1.337
\delta -0.610 -0.149 0.233
\tau_1/\tau_2 0.518 0.914 1.316
Q_{PAH} 0.724 2.401 4.767
U_{min} 3.267 8.618 15.667
{\rm log}_{10}(\gamma_e)\, -2.985 -1.903 -0.595

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.554 -1.123 -0.097
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.566 1.996

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.866 -0.399 0.124
0.03-0.10 Gyr -1.996 -0.904 -0.119
0.10-0.33 Gyr -3.262 -1.472 -0.629
0.33-1.06 Gyr -3.515 -1.494 -0.753
1.06-3.44 Gyr -3.042 -1.411 -0.917
3.44-11.17 Gyr -2.622 -1.230 -0.819
11.17-12.41 Gyr -2.497 -1.221 -0.401

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.502 9.628 9.768
{\rm log}_{10}({\rm SFR}) -0.806 -0.453 -0.100
{\rm log}_{10}({\rm sSFR}) -10.493 -10.085 -9.642
{\rm stellar\ age} 3.500 5.607 7.030

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.633 -1.125 -0.594
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.694 -0.544 0.258

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.170 0.318 0.488
\delta -0.505 -0.148 0.153
\tau_1/\tau_2 0.738 1.048 1.358
Q_{PAH} 1.212 2.650 4.573
U_{min} 2.649 7.891 14.834
{\rm log}_{10}(\gamma_e)\, -2.848 -1.885 -0.776

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.150 -1.509 -0.994
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.459 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.901 -0.589 -0.313
0.03-0.10 Gyr -0.890 -0.431 -0.004
0.10-0.33 Gyr -0.535 -0.127 0.198
0.33-1.06 Gyr -0.496 -0.053 0.238
1.06-3.44 Gyr -0.485 -0.188 0.034
3.44-11.17 Gyr -0.862 -0.337 -0.078
11.17-12.41 Gyr -1.171 -0.367 0.152