2025akhw

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Information

Transient

Name: AT2025akhw
Right ascension: 0h47m14.76s
Declination: -4d21m02.30s
Discovery Date: Aug. 24, 2025, 11:26 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.087

Host

Name:
Right ascension: 0h47m14.75s
Declination: -4d21m02.46s
Redshift: None
Photometric Redshift: 0.162
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.99
Transient MWEBV processed 0.04
Host match processed 6.4
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 4.68
Validate global photometry processed 15.16
Global host SED inference processed 410.61
Local aperture photometry processed 4.79
Validate local photometry no valid phot 0.03
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) = 0h47m14.76s, -4d21m02.30s
semi major axis, semi minor axis (arcsec) = 0.72, 0.72
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) = 0h47m14.73s, -4d21m02.10s
semi major axis, semi minor axis (arcsec) = 4.07, 3.11
angle (degrees, anti-clockwise from east) = -154.17

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.41 1.52 22.946 0.686 AB
GALEX_NUV 4.18 1.18 22.348 0.307 AB
SDSS_u 18.9 4.41 20.709 0.253 AB
SDSS_g 35.74 2.0 20.017 0.061 AB
PanSTARRS_g 38.08 0.84 19.948 0.024 AB
SDSS_r 73.84 2.9 19.229 0.043 AB
PanSTARRS_r 75.59 0.68 19.204 0.010 AB
SDSS_i 115.5 3.97 18.744 0.037 AB
PanSTARRS_i 118.27 1.09 18.718 0.010 AB
PanSTARRS_z 134.35 2.1 18.579 0.017 AB
SDSS_z 133.53 9.62 18.586 0.078 AB
PanSTARRS_y 171.16 5.3 18.316 0.034 AB
2MASS_J 191.42 93.66 17.300 0.531 Vega
2MASS_H 529.54 147.75 15.723 0.303 Vega
2MASS_K 325.1 182.29 15.782 0.609 Vega
WISE_W1 93.23 9.53 16.277 0.111 Vega
WISE_W2 92.92 13.84 15.641 0.162 Vega
WISE_W3 320.6 69.94 12.461 0.237 Vega
WISE_W4 1236.81 472.8 9.549 0.415 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})\, 10.155 10.220 10.285
{\rm log}_{10}({\rm SFR}) 0.173 0.444 0.716
{\rm log}_{10}({\rm sSFR}) -10.057 -9.771 -9.481
{\rm stellar\ age} 6.080 6.867 8.148

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.888 -0.496 -0.218
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.268 0.250 0.404

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.226 0.330 0.499
\delta -0.856 -0.605 -0.310
\tau_1/\tau_2 0.745 1.111 1.476
Q_{PAH} 0.572 1.531 2.860
U_{min} 2.667 7.521 14.123
{\rm log}_{10}(\gamma_e)\, -2.985 -2.059 -1.055

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.260 -2.917 -1.892
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.404 1.846

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.061 0.253 0.429
0.03-0.10 Gyr 0.165 0.509 0.820
0.10-0.32 Gyr -0.488 0.057 0.379
0.32-1.03 Gyr -0.809 -0.230 0.114
1.03-3.29 Gyr -0.529 -0.006 0.290
3.29-10.55 Gyr 0.216 0.407 0.525
10.55-11.72 Gyr 0.042 0.530 1.042