2025alef

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Information

Transient

Name: AT2025alef
Right ascension: 2h39m37.48s
Declination: 10d50m33.49s
Discovery Date: Oct. 29, 2025, 12:11 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.112

Host

Name: NGC1028
Right ascension: 2h39m37.15s
Declination: 10d50m37.17s
Redshift: 0.028631
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.39
Transient MWEBV processed 0.04
Host match processed 3.96
Host information processed 0.2
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.09
Validate global photometry phot valid failed 0.07
Global host SED inference not processed None
Local aperture photometry processed 4.13
Validate local photometry processed 0.03
Local host SED inference processed 477.52
 

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) = 2h39m37.48s, 10d50m33.49s
semi major axis, semi minor axis (arcsec) = 3.48, 3.48
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 201.53 1.15 18.139 0.006 AB
PanSTARRS_r 375.92 1.48 17.462 0.004 AB
PanSTARRS_i 511.2 1.08 17.129 0.002 AB
PanSTARRS_z 653.82 2.48 16.861 0.004 AB
PanSTARRS_y 798.18 5.71 16.645 0.008 AB
2MASS_J 983.64 86.68 15.523 0.096 Vega
2MASS_H 1393.33 134.17 14.672 0.105 Vega
2MASS_K 1234.61 154.6 14.333 0.136 Vega

Aperture details

RA, DEC (J2000) = 2h39m37.10s, 10d50m36.48s
semi major axis, semi minor axis (arcsec) = 31.04, 16.63
angle (degrees, anti-clockwise from east) = -151.01

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

Data not available

 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.199 9.388 9.534
{\rm log}_{10}({\rm SFR}) -1.105 -0.520 -0.023
{\rm log}_{10}({\rm sSFR}) -10.556 -9.923 -9.338
{\rm stellar\ age} 3.701 6.625 8.112

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.467 -0.764 -0.286
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.755 -1.195 0.047

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.408 0.978 1.286
\delta -0.489 -0.122 0.122
\tau_1/\tau_2 0.652 1.029 1.381
Q_{PAH} 0.639 2.548 4.477
U_{min} 2.581 7.575 14.845
{\rm log}_{10}(\gamma_e)\, -3.462 -2.205 -1.439

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.490 -3.352 -1.111
{\rm log}_{10}(\tau_{AGN})\, 0.941 1.437 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.054 -0.542 -0.234
0.03-0.10 Gyr -1.427 -0.555 0.063
0.10-0.33 Gyr -1.338 -0.553 0.015
0.33-1.10 Gyr -1.281 -0.612 -0.189
1.10-3.63 Gyr -1.275 -0.604 -0.299
3.63-12.04 Gyr -1.346 -0.597 -0.355
12.04-13.37 Gyr -1.463 -0.589 -0.020

Global parameter details

Documentation

Data not available