2025yc

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Information

Transient

Name: AT2025yc
Right ascension: 2h09m41.37s
Declination: -4d03m54.50s
Discovery Date: Jan. 20, 2025, 5:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.021

Host

Name: 2025yc
Right ascension: 2h09m41.32s
Declination: -4d03m52.88s
Redshift: None
Photometric Redshift: 0.185
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.73
Cutout download processed 19.19
Global aperture construction processed 0.6
Local aperture photometry processed 6.32
Global aperture photometry processed 6.54
Validate local photometry no valid phot 0.03
Validate global photometry processed 17.53
Host information processed 0.08
Global host SED inference processed 1343.59
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.04
Log transient processing status blocked 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) = 2h09m41.37s, -4d03m54.50s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error

Aperture details

RA, DEC (J2000) = 2h09m41.21s, -4d03m52.04s
semi major axis, semi minor axis (arcsec) = 7.15, 3.4
angle (degrees, anti-clockwise from east) = -63.34

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 4.47 1.22 22.273 0.295
GALEX_NUV 3.66 0.3 22.490 0.090
SDSS_u 38.28 5.52 19.942 0.156
SDSS_g 95.62 2.93 18.949 0.033
DES_g 96.92 0.38 18.934 0.004
PanSTARRS_g 100.53 1.03 18.894 0.011
SDSS_r 248.15 4.7 17.913 0.021
PanSTARRS_r 248.91 1.37 17.910 0.006
DES_r 257.54 0.61 17.873 0.003
SDSS_i 367.56 6.05 17.487 0.018
PanSTARRS_i 376.19 1.31 17.461 0.004
PanSTARRS_z 431.9 2.99 17.312 0.008
SDSS_z 476.36 19.27 17.205 0.044
DES_z 460.32 2.45 17.242 0.006
2MASS_J 492.09 161.28 16.275 0.356
2MASS_H 379.18 289.36 16.085 0.829
2MASS_K 297.73 277.05 15.878 1.010
WISE_W1 284.54 13.36 15.066 0.051
WISE_W2 168.8 17.73 14.993 0.114
WISE_W3 280.19 75.05 12.607 0.291
WISE_W4 975.55 381.67 9.807 0.425
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.923 11.025 11.060
{\rm log}_{10}({\rm SFR}) -0.492 0.005 0.420
{\rm log}_{10}({\rm sSFR}) -11.483 -10.997 -10.554
{\rm stellar\ age} 7.842 10.830 10.886

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.263 -1.054 -0.865
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.380 -0.400 -0.032

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.217 0.282 0.373
\delta -0.934 -0.798 -0.610
\tau_1/\tau_2 0.565 1.094 1.591
Q_{PAH} 0.231 0.806 2.303
U_{min} 3.781 9.728 17.916
{\rm log}_{10}(\gamma_e)\, -3.414 -2.476 -1.116

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.405 -3.339 -2.420
{\rm log}_{10}(\tau_{AGN})\, 1.016 1.500 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.006 0.442 0.804
0.03-0.10 Gyr -3.590 -1.867 -0.081
0.10-0.32 Gyr -6.073 -3.661 -0.906
0.32-1.02 Gyr -7.050 -4.182 -1.057
1.02-3.24 Gyr -4.883 -2.861 -0.636
3.24-10.32 Gyr -2.027 -0.561 1.153
10.32-11.47 Gyr 1.545 2.214 2.255