2025yjc

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Information

Transient

Name: AT2025yjc
Right ascension: 2h49m50.23s
Declination: 7d26m06.87s
Discovery Date: Sept. 16, 2025, 1:03 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.161

Host

Name:
Right ascension: 2h49m50.26s
Declination: 7d26m10.39s
Redshift: None
Photometric Redshift: 0.031
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.23
Transient MWEBV processed 0.04
Host match processed 5.56
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.68
Validate global photometry processed 13.66
Global host SED inference processed 895.22
Local aperture photometry processed 5.74
Validate local photometry processed 0.02
Local host SED inference processed 457.15
 

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) = 2h49m50.23s, 7d26m06.87s
semi major axis, semi minor axis (arcsec) = 3.27, 3.27
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 57.01 0.27 19.510 0.005 AB
PanSTARRS_g 52.13 0.86 19.607 0.018 AB
PanSTARRS_r 72.26 1.09 19.253 0.016 AB
DES_r 84.09 0.77 19.088 0.010 AB
PanSTARRS_i 91.07 0.97 19.002 0.012 AB
PanSTARRS_z 94.41 2.01 18.962 0.023 AB
DES_z 106.82 2.26 18.828 0.023 AB
PanSTARRS_y 117.24 6.06 18.727 0.056 AB
2MASS_J 223.58 76.81 17.132 0.373 Vega
2MASS_H 212.62 119.44 16.713 0.610 Vega
2MASS_K 363.08 118.66 15.662 0.355 Vega

Aperture details

RA, DEC (J2000) = 2h49m50.24s, 7d26m10.31s
semi major axis, semi minor axis (arcsec) = 7.84, 4.62
angle (degrees, anti-clockwise from east) = -176.02

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 25.89 4.51 20.367 0.189 AB
GALEX_NUV 28.93 3.07 20.247 0.115 AB
DES_g 150.18 0.45 18.458 0.003 AB
PanSTARRS_g 149.03 1.58 18.467 0.012 AB
PanSTARRS_r 213.99 1.99 18.074 0.010 AB
DES_r 242.82 1.34 17.937 0.006 AB
PanSTARRS_z 319.4 3.69 17.639 0.013 AB
DES_z 465.31 4.61 17.231 0.011 AB
PanSTARRS_y 384.76 10.98 17.437 0.031 AB
2MASS_J 678.64 155.29 15.926 0.248 Vega
2MASS_H 628.04 239.8 15.537 0.415 Vega
2MASS_K 911.3 239.91 14.663 0.286 Vega
WISE_W1 286.66 15.61 15.058 0.059 Vega
WISE_W2 179.46 17.1 14.926 0.103 Vega
WISE_W3 584.9 114.48 11.808 0.213 Vega
WISE_W4 -428.6 411.18 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})\, 8.105 8.392 8.572
{\rm log}_{10}({\rm SFR}) -1.497 -0.982 -0.399
{\rm log}_{10}({\rm sSFR}) -10.003 -9.393 -8.617
{\rm stellar\ age} 0.875 4.676 7.073

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.814 -1.450 -0.762
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.370 -0.881 -0.141

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.201 0.492 0.837
\delta -0.587 -0.116 0.220
\tau_1/\tau_2 0.595 0.980 1.376
Q_{PAH} 0.679 2.592 5.024
U_{min} 2.782 7.671 15.062
{\rm log}_{10}(\gamma_e)\, -3.445 -2.544 -1.380

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.411 -1.417 -0.437
{\rm log}_{10}(\tau_{AGN})\, 1.004 1.422 1.881

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.525 -1.246 -0.951
0.03-0.10 Gyr -1.556 -0.924 -0.259
0.10-0.33 Gyr -1.758 -1.053 -0.522
0.33-1.10 Gyr -2.427 -1.428 -1.002
1.10-3.63 Gyr -3.163 -1.614 -1.240
3.63-12.01 Gyr -3.685 -1.815 -1.348
12.01-13.35 Gyr -3.779 -1.891 -1.211

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.011 9.154 9.271
{\rm log}_{10}({\rm SFR}) -0.629 -0.243 0.100
{\rm log}_{10}({\rm sSFR}) -9.825 -9.381 -8.950
{\rm stellar\ age} 7.217 8.510 11.729

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.653 -0.275 -0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.624 -1.019 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.052 0.211 0.549
\delta 0.023 0.284 0.371
\tau_1/\tau_2 0.540 0.977 1.416
Q_{PAH} 0.372 1.404 3.857
U_{min} 2.617 8.147 15.633
{\rm log}_{10}(\gamma_e)\, -3.056 -1.988 -1.099

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.014 -2.679 -1.891
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.366 1.827

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.220 -0.849 -0.615
0.03-0.10 Gyr -0.565 -0.112 0.247
0.10-0.33 Gyr -3.035 -1.674 -1.038
0.33-1.10 Gyr -3.932 -1.972 -1.326
1.10-3.63 Gyr -3.248 -1.652 -1.088
3.63-12.01 Gyr -1.849 -0.854 -0.632
12.01-13.35 Gyr -1.153 -0.347 0.311