2025actv

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Information

Transient

Name: AT2025actv
Right ascension: 22h18m46.84s
Declination: 31d33m05.98s
Discovery Date: Nov. 8, 2025, 8:28 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name:
Right ascension: 22h18m46.66s
Declination: 31d32m58.24s
Redshift: 0.125091
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.91
Transient MWEBV processed 0.11
Host match processed 5.15
Host information processed 0.05
Host MWEBV processed 0.07
Global aperture construction processed 0.65
Global aperture photometry processed 7.28
Validate global photometry processed 18.92
Global host SED inference processed 379.92
Local aperture photometry processed 7.58
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) = 22h18m46.84s, 31d33m05.98s
semi major axis, semi minor axis (arcsec) = 0.89, 0.89
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) = 22h18m46.67s, 31d32m59.20s
semi major axis, semi minor axis (arcsec) = 14.27, 6.22
angle (degrees, anti-clockwise from east) = -157.01

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.91 4.23 20.453 0.192 AB
GALEX_NUV 31.68 3.54 20.148 0.121 AB
SDSS_u 117.47 8.4 18.725 0.078 AB
SDSS_g 399.49 5.65 17.396 0.015 AB
DES_g 436.01 2.43 17.301 0.006 AB
PanSTARRS_g 434.97 2.17 17.304 0.005 AB
SDSS_r 833.51 8.6 16.598 0.011 AB
PanSTARRS_r 831.75 2.45 16.600 0.003 AB
DES_r 904.11 4.19 16.509 0.005 AB
SDSS_i 1252.99 11.24 16.155 0.010 AB
PanSTARRS_i 1234.69 3.02 16.171 0.003 AB
PanSTARRS_z 1544.21 6.94 15.928 0.005 AB
SDSS_z 1588.6 35.83 15.897 0.024 AB
DES_z 1638.93 15.38 15.864 0.010 AB
PanSTARRS_y 1843.53 15.47 15.736 0.009 AB
2MASS_J 2313.87 211.82 14.594 0.099 Vega
2MASS_H 3513.89 327.59 13.668 0.101 Vega
2MASS_K 3360.66 378.9 13.246 0.122 Vega
WISE_W1 1703.91 36.31 13.122 0.023 Vega
WISE_W3 3037.49 106.62 10.020 0.038 Vega
WISE_W4 2911.34 650.72 8.620 0.243 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})\, 11.016 11.063 11.101
{\rm log}_{10}({\rm SFR}) 0.607 0.772 0.958
{\rm log}_{10}({\rm sSFR}) -10.472 -10.292 -10.106
{\rm stellar\ age} 5.502 6.239 6.965

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.330 -0.134 0.034
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.644 -0.027 0.287

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.273 0.395 0.532
\delta -0.466 -0.186 0.013
\tau_1/\tau_2 0.672 0.968 1.259
Q_{PAH} 0.892 1.847 3.016
U_{min} 2.268 6.402 13.069
{\rm log}_{10}(\gamma_e)\, -2.871 -2.141 -1.594

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.422 -3.359 -1.959
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.531 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.736 0.847 0.959
0.03-0.10 Gyr 0.478 0.738 0.990
0.10-0.32 Gyr 0.638 0.881 1.100
0.32-1.05 Gyr 0.845 1.028 1.174
1.05-3.38 Gyr 1.026 1.222 1.386
3.38-10.94 Gyr 1.053 1.200 1.292
10.94-12.15 Gyr 0.709 1.170 1.534