2025onk

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Information

Transient

Name: AT2025onk
Right ascension: 3h53m50.55s
Declination: -50d43m23.80s
Discovery Date: June 13, 2025, 7:44 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name: 463646
Right ascension: 3h53m50.31s
Declination: -50d43m21.69s
Redshift: None
Photometric Redshift: 0.069
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.43
Transient MWEBV processed 0.12
Host match processed 4.62
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.69
Global aperture photometry processed 2.49
Validate global photometry processed 9.02
Global host SED inference processed 405.44
Local aperture photometry processed 2.82
Validate local photometry processed 0.02
Local host SED inference processed 479.65
 

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) = 3h53m50.55s, -50d43m23.80s
semi major axis, semi minor axis (arcsec) = 1.53, 1.53
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 49.16 0.19 19.671 0.004 AB
DES_r 97.09 0.32 18.932 0.004 AB
DES_z 159.9 1.26 18.390 0.009 AB

Aperture details

RA, DEC (J2000) = 3h53m50.27s, -50d43m21.68s
semi major axis, semi minor axis (arcsec) = 13.15, 5.58
angle (degrees, anti-clockwise from east) = 46.78

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.99 4.18 20.208 0.151 AB
GALEX_NUV 41.42 3.13 19.857 0.082 AB
DES_g 509.34 0.69 17.132 0.001 AB
DES_r 963.56 1.09 16.440 0.001 AB
DES_z 1526.58 4.15 15.941 0.003 AB
2MASS_J 1982.04 229.46 14.762 0.126 Vega
2MASS_H 2597.79 344.26 13.996 0.144 Vega
2MASS_K 2430.54 388.96 13.598 0.174 Vega
WISE_W1 1170.95 13.59 13.530 0.013 Vega
WISE_W2 777.63 16.44 13.334 0.023 Vega
WISE_W3 3453.56 56.28 9.880 0.018 Vega
WISE_W4 3157.38 412.79 8.532 0.142 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})\, 9.420 9.530 9.667
{\rm log}_{10}({\rm SFR}) -1.782 -0.941 -0.346
{\rm log}_{10}({\rm sSFR}) -11.312 -10.487 -9.859
{\rm stellar\ age} 5.842 7.493 9.617

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.499 -0.878 -0.382
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.540 -0.405 0.171

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.258 0.611 1.067
\delta -0.641 -0.220 0.176
\tau_1/\tau_2 0.634 0.994 1.344
Q_{PAH} 0.525 1.757 3.876
U_{min} 3.261 8.576 15.418
{\rm log}_{10}(\gamma_e)\, -3.167 -1.507 -0.376

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.805 -0.734 -0.168
{\rm log}_{10}(\tau_{AGN})\, 1.008 1.534 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.738 -0.925 -0.393
0.03-0.10 Gyr -2.056 -1.069 -0.320
0.10-0.33 Gyr -2.060 -1.057 -0.367
0.33-1.08 Gyr -2.036 -0.981 -0.370
1.08-3.53 Gyr -1.761 -0.678 -0.317
3.53-11.56 Gyr -0.802 -0.372 -0.181
11.56-12.85 Gyr -0.909 -0.251 0.485

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.352 10.423 10.501
{\rm log}_{10}({\rm SFR}) -0.374 -0.129 0.184
{\rm log}_{10}({\rm sSFR}) -10.821 -10.540 -10.209
{\rm stellar\ age} 5.692 6.938 7.988

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.675 -0.324 -0.083
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.328 -0.032 0.263

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.177 0.289 0.447
\delta -0.644 -0.195 0.156
\tau_1/\tau_2 0.595 0.988 1.371
Q_{PAH} 1.607 3.195 5.136
U_{min} 2.368 7.413 14.374
{\rm log}_{10}(\gamma_e)\, -2.594 -1.654 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.494 -2.010 -1.212
{\rm log}_{10}(\tau_{AGN})\, 1.151 1.673 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.309 0.040 0.271
0.03-0.10 Gyr -0.768 -0.204 0.202
0.10-0.33 Gyr -0.619 -0.068 0.299
0.33-1.08 Gyr -0.285 0.176 0.459
1.08-3.53 Gyr 0.102 0.476 0.720
3.53-11.56 Gyr 0.278 0.543 0.686
11.56-12.85 Gyr -0.119 0.535 0.987