2025ahir

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Information

Transient

Name: AT2025ahir
Right ascension: 7h56m48.49s
Declination: 56d01m42.99s
Discovery Date: Dec. 17, 2025, 10:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 7h56m48.62s
Declination: 56d01m37.35s
Redshift: None
Photometric Redshift: 0.141
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.87
Transient MWEBV processed 0.05
Host match processed 5.57
Host information processed 0.22
Host MWEBV processed 0.05
Global aperture construction processed 0.72
Global aperture photometry processed 4.3
Validate global photometry processed 12.05
Global host SED inference processed 1226.91
Local aperture photometry processed 3.91
Validate local photometry no valid phot 0.02
Local host SED inference not processed 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) = 7h56m48.49s, 56d01m42.99s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 7h56m48.62s, 56d01m37.50s
semi major axis, semi minor axis (arcsec) = 10.33, 8.17
angle (degrees, anti-clockwise from east) = -23.12

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 268.11 2.18 17.829 0.009 AB
PanSTARRS_r 418.44 3.6 17.346 0.009 AB
PanSTARRS_i 554.54 3.34 17.040 0.007 AB
PanSTARRS_z 524.23 7.15 17.101 0.015 AB
PanSTARRS_y 895.84 17.21 16.519 0.021 AB
2MASS_J 1489.79 206.55 15.072 0.151 Vega
2MASS_H 892.38 316.4 15.156 0.385 Vega
2MASS_K 1642.27 355.02 14.024 0.235 Vega
WISE_W1 619.33 117.85 14.221 0.207 Vega
WISE_W2 1085.78 96.51 12.972 0.097 Vega
WISE_W3 1337.62 144.21 10.910 0.117 Vega
WISE_W4 1599.02 545.4 9.270 0.370 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.531 10.630 10.712
{\rm log}_{10}({\rm SFR}) 0.380 0.782 1.163
{\rm log}_{10}({\rm sSFR}) -10.235 -9.843 -9.456
{\rm stellar\ age} 4.166 5.677 6.912

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) 0.047 0.125 0.171
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.210 -0.083 0.013

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.091 0.208 0.399
\delta -0.892 -0.566 -0.039
\tau_1/\tau_2 0.693 1.122 1.543
Q_{PAH} 0.095 0.368 0.895
U_{min} 1.864 5.201 11.022
{\rm log}_{10}(\gamma_e)\, -3.699 -3.215 -2.436

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.138 -0.924 -0.791
{\rm log}_{10}(\tau_{AGN})\, 0.884 1.048 1.210

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.630 0.829 1.067
0.03-0.10 Gyr 0.134 0.760 1.224
0.10-0.32 Gyr 0.426 0.844 1.156
0.32-1.04 Gyr 0.479 0.873 1.190
1.04-3.34 Gyr 0.449 0.742 0.956
3.34-10.77 Gyr 0.365 0.679 0.860
10.77-11.97 Gyr 0.097 0.705 1.181