2025aeqh

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Information

Transient

Name: AT2025aeqh
Right ascension: 2h18m01.77s
Declination: -50d19m07.32s
Discovery Date: Nov. 24, 2025, 3:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 2h18m01.87s
Declination: -50d19m07.72s
Redshift: None
Photometric Redshift: 0.091
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.81
Transient MWEBV processed 0.05
Host match processed 6.78
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 2.76
Validate global photometry processed 8.22
Global host SED inference processed 451.65
Local aperture photometry processed 2.7
Validate local photometry processed 0.01
Local host SED inference processed 473.4
 

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) = 2h18m01.77s, -50d19m07.32s
semi major axis, semi minor axis (arcsec) = 1.18, 1.18
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 46.43 0.21 19.733 0.005 AB
DES_r 80.21 0.31 19.139 0.004 AB
DES_z 123.12 1.14 18.674 0.010 AB

Aperture details

RA, DEC (J2000) = 2h18m01.87s, -50d19m07.74s
semi major axis, semi minor axis (arcsec) = 6.04, 4.16
angle (degrees, anti-clockwise from east) = 35.15

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 180.48 0.45 18.259 0.003 AB
DES_r 302.05 0.65 17.700 0.002 AB
DES_z 435.76 2.31 17.302 0.006 AB
2MASS_J 358.04 141.75 16.620 0.430 Vega
2MASS_H 410.66 211.99 15.999 0.560 Vega
2MASS_K 909.3 237.21 14.665 0.283 Vega
WISE_W1 248.08 11.49 15.215 0.050 Vega
WISE_W2 154.76 13.25 15.087 0.093 Vega
WISE_W3 597.97 63.99 11.784 0.116 Vega
WISE_W4 397.36 428.72 10.782 1.171 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})\, 9.304 9.484 9.606
{\rm log}_{10}({\rm SFR}) -1.279 -0.568 0.204
{\rm log}_{10}({\rm sSFR}) -10.794 -10.082 -9.207
{\rm stellar\ age} 2.090 5.551 7.393

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.546 -0.908 -0.185
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.492 -0.632 0.085

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.194 0.598 1.080
\delta -0.701 -0.351 -0.035
\tau_1/\tau_2 0.636 1.006 1.372
Q_{PAH} 0.552 1.898 4.654
U_{min} 3.237 8.371 15.780
{\rm log}_{10}(\gamma_e)\, -3.069 -1.455 -0.438

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.421 -1.050 -0.093
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.498 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.403 -0.718 -0.184
0.03-0.10 Gyr -1.554 -0.621 0.310
0.10-0.33 Gyr -1.353 -0.476 0.356
0.33-1.06 Gyr -1.378 -0.423 0.096
1.06-3.47 Gyr -1.490 -0.463 -0.171
3.47-11.31 Gyr -1.899 -0.552 -0.252
11.31-12.57 Gyr -1.856 -0.565 0.041

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.909 10.031 10.149
{\rm log}_{10}({\rm SFR}) -1.164 -0.497 0.117
{\rm log}_{10}({\rm sSFR}) -11.234 -10.530 -9.906
{\rm stellar\ age} 4.604 6.379 7.700

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.314 -0.934 -0.623
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.454 -0.473 0.209

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.107 0.212 0.372
\delta -0.799 -0.389 0.055
\tau_1/\tau_2 0.617 0.977 1.328
Q_{PAH} 0.950 2.572 5.006
U_{min} 2.672 7.755 15.193
{\rm log}_{10}(\gamma_e)\, -2.642 -1.439 -0.422

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.054 -2.708 -1.694
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.521 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.497 -0.725 -0.369
0.03-0.10 Gyr -1.437 -0.470 0.256
0.10-0.33 Gyr -1.044 -0.012 0.453
0.33-1.06 Gyr -0.693 0.033 0.391
1.06-3.47 Gyr -0.324 0.120 0.398
3.47-11.31 Gyr -0.357 0.088 0.313
11.31-12.57 Gyr -0.687 0.088 0.689