2025ahqq

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Information

Transient

Name: AT2025ahqq
Right ascension: 2h44m35.73s
Declination: 4d20m54.11s
Discovery Date: Dec. 18, 2025, 5:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name:
Right ascension: 2h44m35.56s
Declination: 4d20m56.67s
Redshift: None
Photometric Redshift: 0.065
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.97
Transient MWEBV processed 0.12
Host match processed 5.84
Host information processed 0.14
Host MWEBV processed 0.07
Global aperture construction processed 0.82
Global aperture photometry processed 6.61
Validate global photometry processed 17.92
Global host SED inference processed 596.86
Local aperture photometry processed 7.26
Validate local photometry processed 0.03
Local host SED inference processed 412.98
 

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) = 2h44m35.73s, 4d20m54.11s
semi major axis, semi minor axis (arcsec) = 1.6, 1.6
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 2.32 1.43 22.987 0.668 AB
SDSS_g 11.43 0.97 21.255 0.092 AB
DES_g 12.91 0.14 21.122 0.011 AB
PanSTARRS_g 12.46 0.4 21.161 0.035 AB
SDSS_r 24.64 1.44 20.421 0.064 AB
PanSTARRS_r 21.96 0.52 20.546 0.026 AB
DES_r 26.09 0.24 20.359 0.010 AB
SDSS_i 31.83 1.81 20.143 0.062 AB
PanSTARRS_i 30.57 0.56 20.187 0.020 AB
PanSTARRS_z 37.41 1.13 19.968 0.033 AB
SDSS_z 44.77 5.37 19.772 0.130 AB
DES_z 42.27 0.7 19.835 0.018 AB
PanSTARRS_y 39.03 2.72 19.922 0.076 AB

Aperture details

RA, DEC (J2000) = 2h44m35.56s, 4d20m56.21s
semi major axis, semi minor axis (arcsec) = 14.12, 3.95
angle (degrees, anti-clockwise from east) = -16.22

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 30.27 3.9 20.197 0.140 AB
SDSS_u 56.61 6.76 19.518 0.130 AB
SDSS_g 142.76 3.76 18.514 0.029 AB
DES_g 153.24 0.52 18.437 0.004 AB
PanSTARRS_g 169.4 1.87 18.328 0.012 AB
SDSS_r 302.96 5.52 17.697 0.020 AB
PanSTARRS_r 289.16 2.39 17.747 0.009 AB
DES_r 299.45 0.87 17.709 0.003 AB
SDSS_i 407.53 7.33 17.375 0.020 AB
PanSTARRS_i 418.16 2.58 17.347 0.007 AB
PanSTARRS_z 492.88 5.21 17.168 0.011 AB
SDSS_z 610.87 24.71 16.935 0.044 AB
DES_z 482.11 2.54 17.192 0.006 AB
PanSTARRS_y 564.46 12.54 17.021 0.024 AB
2MASS_J 854.22 190.89 15.676 0.243 Vega
2MASS_H 419.38 308.37 15.976 0.798 Vega
2MASS_K 970.92 321.97 14.594 0.360 Vega
WISE_W1 375.21 13.44 14.765 0.039 Vega
WISE_W2 226.6 20.13 14.673 0.096 Vega
WISE_W3 398.67 89.43 12.224 0.244 Vega
WISE_W4 969.21 428.08 9.814 0.480 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})\, 8.729 8.848 8.958
{\rm log}_{10}({\rm SFR}) -2.632 -1.842 -1.126
{\rm log}_{10}({\rm sSFR}) -11.514 -10.705 -9.939
{\rm stellar\ age} 5.251 6.742 7.842

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.211 -0.676 -0.288
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.697 -0.700 0.213

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.215 0.493 0.923
\delta -0.535 -0.074 0.260
\tau_1/\tau_2 0.670 1.049 1.401
Q_{PAH} 1.257 3.066 5.246
U_{min} 2.820 7.843 15.033
{\rm log}_{10}(\gamma_e)\, -2.837 -1.714 -0.703

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.302 -0.368 0.018
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.490 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.877 -2.031 -1.475
0.03-0.10 Gyr -2.782 -1.836 -1.043
0.10-0.33 Gyr -2.440 -1.592 -0.954
0.33-1.08 Gyr -2.092 -1.362 -0.951
1.08-3.54 Gyr -1.558 -1.087 -0.853
3.54-11.60 Gyr -1.375 -1.049 -0.872
11.60-12.89 Gyr -1.681 -1.088 -0.611

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.028 10.110 10.160
{\rm log}_{10}({\rm SFR}) -0.504 -0.239 0.054
{\rm log}_{10}({\rm sSFR}) -10.618 -10.338 -10.042
{\rm stellar\ age} 8.215 11.253 12.135

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.673 -0.442 -0.291
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.087 0.219 0.400

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.063 0.157 0.323
\delta -0.309 0.054 0.284
\tau_1/\tau_2 0.601 1.102 1.597
Q_{PAH} 0.868 2.182 4.193
U_{min} 2.820 8.174 15.194
{\rm log}_{10}(\gamma_e)\, -2.888 -1.872 -0.868

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.719 -2.237 -1.618
{\rm log}_{10}(\tau_{AGN})\, 0.978 1.352 1.781

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.953 -0.606 -0.377
0.03-0.10 Gyr -0.453 -0.137 0.179
0.10-0.33 Gyr -3.197 -1.179 -0.543
0.33-1.08 Gyr -4.730 -1.777 -1.015
1.08-3.54 Gyr -3.743 -1.638 -0.852
3.54-11.60 Gyr -1.746 -0.315 0.270
11.60-12.89 Gyr 0.395 1.165 1.287