2025onc

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Information

Transient

Name: AT2025onc
Right ascension: 17h42m10.98s
Declination: 34d18m00.02s
Discovery Date: June 21, 2025, 8:06 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 17h42m11.01s
Declination: 34d17m55.78s
Redshift: None
Photometric Redshift: 0.114
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 11.09
Transient MWEBV processed 0.05
Host match processed 6.98
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 4.84
Validate global photometry processed 13.5
Global host SED inference processed 496.24
Local aperture photometry processed 5.6
Validate local photometry processed 0.02
Local host SED inference not enough filters 20.62
 

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) = 17h42m10.98s, 34d18m00.02s
semi major axis, semi minor axis (arcsec) = 0.96, 0.96
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 7.98 0.48 21.645 0.066 AB

Aperture details

RA, DEC (J2000) = 17h42m11.00s, 34d17m56.13s
semi major axis, semi minor axis (arcsec) = 7.17, 2.98
angle (degrees, anti-clockwise from east) = -9.26

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.41 1.81 22.570 0.577 AB
GALEX_NUV 5.22 1.43 22.106 0.297 AB
DES_g 54.63 0.52 19.556 0.010 AB
PanSTARRS_g 57.77 1.0 19.496 0.019 AB
PanSTARRS_r 97.07 1.38 18.932 0.015 AB
PanSTARRS_i 125.12 1.07 18.657 0.009 AB
PanSTARRS_z 142.78 2.81 18.513 0.021 AB
DES_z 157.68 2.17 18.406 0.015 AB
PanSTARRS_y 161.2 6.49 18.382 0.044 AB
2MASS_J 149.98 109.88 17.565 0.795 Vega
2MASS_H 252.07 196.26 16.529 0.845 Vega
2MASS_K 75.12 185.21 17.373 2.677 Vega
WISE_W1 52.92 15.63 16.892 0.321 Vega
WISE_W2 31.12 18.57 16.828 0.648 Vega
WISE_W3 86.62 58.94 13.882 0.739 Vega
WISE_W4 250.41 319.39 11.283 1.385 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.742 9.825 9.912
{\rm log}_{10}({\rm SFR}) -0.728 -0.221 0.227
{\rm log}_{10}({\rm sSFR}) -10.579 -10.033 -9.590
{\rm stellar\ age} 5.463 6.474 7.625

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.460 -0.854 -0.457
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.057 -0.436 -0.072

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.167 0.296 0.493
\delta -0.871 -0.611 -0.325
\tau_1/\tau_2 0.739 1.129 1.523
Q_{PAH} 0.620 2.267 4.731
U_{min} 2.886 8.252 15.449
{\rm log}_{10}(\gamma_e)\, -2.240 -1.181 -0.309

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.983 -1.326 -0.814
{\rm log}_{10}(\tau_{AGN})\, 1.334 1.692 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.043 -0.553 -0.265
0.03-0.10 Gyr -0.735 -0.126 0.356
0.10-0.32 Gyr -0.471 -0.036 0.268
0.32-1.05 Gyr -0.626 -0.192 0.050
1.05-3.41 Gyr -0.475 -0.149 0.066
3.41-11.05 Gyr -0.283 -0.060 0.089
11.05-12.28 Gyr -0.548 -0.011 0.485