2025aems

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Information

Transient

Name: AT2025aems
Right ascension: 2h43m11.84s
Declination: 17d29m22.58s
Discovery Date: Nov. 22, 2025, 4:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.081

Host

Name:
Right ascension: 2h43m11.79s
Declination: 17d29m21.20s
Redshift: None
Photometric Redshift: 0.084
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 7.15
Transient MWEBV processed 0.11
Host match processed 6.51
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.27
Validate global photometry processed 13.86
Global host SED inference processed 614.27
Local aperture photometry processed 5.24
Validate local photometry processed 0.02
Local host SED inference processed 533.69
 

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) = 2h43m11.84s, 17d29m22.58s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
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 86.05 0.76 19.063 0.010 AB
PanSTARRS_r 209.46 0.61 18.097 0.003 AB
DES_r 227.22 2.45 18.009 0.012 AB
PanSTARRS_i 332.86 0.57 17.594 0.002 AB
PanSTARRS_z 446.61 1.13 17.275 0.003 AB
DES_z 463.14 4.98 17.236 0.012 AB
PanSTARRS_y 509.48 2.22 17.132 0.005 AB

Aperture details

RA, DEC (J2000) = 2h43m11.78s, 17d29m21.52s
semi major axis, semi minor axis (arcsec) = 11.52, 9.25
angle (degrees, anti-clockwise from east) = -0.39

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.55 2.39 21.243 0.225 AB
GALEX_NUV 2.28 2.7 23.005 1.286 AB
DES_g 802.43 2.42 16.639 0.003 AB
PanSTARRS_g 806.42 2.82 16.634 0.004 AB
PanSTARRS_r 1836.45 3.91 15.740 0.002 AB
DES_r 2080.0 7.56 15.605 0.004 AB
PanSTARRS_i 2932.93 3.91 15.232 0.001 AB
PanSTARRS_z 3826.53 8.21 14.943 0.002 AB
DES_z 4103.51 15.2 14.867 0.004 AB
PanSTARRS_y 4686.13 17.56 14.723 0.004 AB
2MASS_J 6093.63 175.9 13.543 0.031 Vega
2MASS_H 8002.61 269.59 12.774 0.037 Vega
2MASS_K 7045.86 379.14 12.442 0.058 Vega
WISE_W1 3068.36 31.21 12.484 0.011 Vega
WISE_W2 1866.26 34.39 12.384 0.020 Vega
WISE_W3 610.1 132.44 11.763 0.236 Vega
WISE_W4 416.45 657.36 10.731 1.714 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})\, 10.276 10.375 10.504
{\rm log}_{10}({\rm SFR}) -3.057 -1.009 -0.222
{\rm log}_{10}({\rm sSFR}) -13.518 -11.383 -10.570
{\rm stellar\ age} 7.354 8.757 11.944

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.594 -1.064 -0.682
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.691 -0.820 0.165

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.508 0.800 1.096
\delta -0.577 -0.305 -0.003
\tau_1/\tau_2 0.524 0.978 1.414
Q_{PAH} 0.717 3.008 5.724
U_{min} 2.907 8.567 16.225
{\rm log}_{10}(\gamma_e)\, -3.368 -2.317 -0.943

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.832 -1.250 -0.276
{\rm log}_{10}(\tau_{AGN})\, 0.911 1.328 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.135 -1.328 -0.586
0.03-0.10 Gyr -3.873 -1.082 -0.135
0.10-0.33 Gyr -4.273 -1.270 -0.174
0.33-1.07 Gyr -4.519 -1.497 -0.283
1.07-3.49 Gyr -3.609 -1.150 0.134
3.49-11.39 Gyr -1.442 0.376 0.629
11.39-12.65 Gyr 0.135 1.043 1.632

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.263 11.335 11.366
{\rm log}_{10}({\rm SFR}) -1.281 -0.427 0.218
{\rm log}_{10}({\rm sSFR}) -12.614 -11.768 -11.069
{\rm stellar\ age} 9.561 11.917 12.014

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.559 -0.433 -0.325
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.525 -0.135 0.348

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.178 0.289
\delta -0.827 -0.579 -0.279
\tau_1/\tau_2 0.565 1.023 1.489
Q_{PAH} 0.320 1.129 2.636
U_{min} 3.168 8.648 16.415
{\rm log}_{10}(\gamma_e)\, -2.749 -1.417 -0.588

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.488 -3.656 -2.692
{\rm log}_{10}(\tau_{AGN})\, 1.017 1.555 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.438 -0.592 -0.054
0.03-0.10 Gyr -2.713 -0.516 0.316
0.10-0.33 Gyr -4.173 -1.317 -0.081
0.33-1.07 Gyr -5.408 -1.932 -0.499
1.07-3.49 Gyr -4.036 -1.639 -0.287
3.49-11.39 Gyr -1.674 -0.165 1.326
11.39-12.65 Gyr 2.079 2.475 2.513