2025xff

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Information

Transient

Name: AT2025xff
Right ascension: 21h37m11.16s
Declination: 31d15m48.83s
Discovery Date: Sept. 8, 2025, 5:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.150

Host

Name:
Right ascension: 21h37m11.02s
Declination: 31d15m36.33s
Redshift: 0.072084
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.64
Transient MWEBV processed 0.04
Host match processed 5.24
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.68
Global aperture photometry processed 3.83
Validate global photometry processed 11.59
Global host SED inference processed 391.38
Local aperture photometry processed 4.14
Validate local photometry processed 0.02
Local host SED inference processed 443.4
 

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) = 21h37m11.16s, 31d15m48.83s
semi major axis, semi minor axis (arcsec) = 1.46, 1.46
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 2.9 0.34 22.744 0.127 AB
PanSTARRS_r 4.85 0.39 22.186 0.088 AB
PanSTARRS_i 6.03 0.54 21.949 0.098 AB
PanSTARRS_z 7.04 1.1 21.780 0.170 AB
PanSTARRS_y 7.46 3.49 21.718 0.508 AB

Aperture details

RA, DEC (J2000) = 21h37m11.01s, 31d15m36.50s
semi major axis, semi minor axis (arcsec) = 13.03, 10.11
angle (degrees, anti-clockwise from east) = -167.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.29 6.36 21.480 0.743 AB
GALEX_NUV 27.0 4.07 20.321 0.163 AB
PanSTARRS_g 532.94 2.75 17.083 0.006 AB
PanSTARRS_r 1039.05 3.13 16.358 0.003 AB
PanSTARRS_i 1619.79 4.32 15.876 0.003 AB
PanSTARRS_z 2105.45 8.69 15.592 0.004 AB
PanSTARRS_y 2291.91 27.63 15.500 0.013 AB
2MASS_J 3452.5 319.87 14.160 0.101 Vega
2MASS_H 4387.93 486.58 13.427 0.120 Vega
2MASS_K 3993.27 597.43 13.059 0.162 Vega
WISE_W1 1927.34 33.79 12.989 0.019 Vega
WISE_W2 1258.69 46.23 12.811 0.040 Vega
WISE_W3 3033.83 155.91 10.021 0.056 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})\, 7.968 8.184 8.372
{\rm log}_{10}({\rm SFR}) -2.038 -1.429 -0.624
{\rm log}_{10}({\rm sSFR}) -10.320 -9.640 -8.814
{\rm stellar\ age} 1.516 5.445 7.195

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.639 -0.972 -0.234
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.582 -0.692 0.117

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.361 0.825 1.718
\delta -0.217 0.119 0.291
\tau_1/\tau_2 0.657 1.037 1.405
Q_{PAH} 0.995 2.856 5.226
U_{min} 3.050 8.279 15.558
{\rm log}_{10}(\gamma_e)\, -2.874 -1.741 -0.759

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.554 -0.159 0.293
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.491 1.883

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.181 -1.512 -0.901
0.03-0.10 Gyr -2.183 -1.487 -0.603
0.10-0.33 Gyr -2.288 -1.578 -0.913
0.33-1.07 Gyr -2.746 -1.721 -1.280
1.07-3.52 Gyr -3.078 -1.785 -1.455
3.52-11.52 Gyr -3.495 -1.860 -1.528
11.52-12.80 Gyr -3.616 -1.955 -1.328

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.738 10.815 10.917
{\rm log}_{10}({\rm SFR}) -0.091 0.501 0.927
{\rm log}_{10}({\rm sSFR}) -10.897 -10.326 -9.874
{\rm stellar\ age} 7.044 7.984 11.149

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.938 -0.585 -0.390
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.727 -1.038 0.038

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.280 0.430 0.643
\delta -0.390 -0.130 0.166
\tau_1/\tau_2 0.580 1.009 1.416
Q_{PAH} 0.374 1.172 2.383
U_{min} 2.959 8.394 15.650
{\rm log}_{10}(\gamma_e)\, -2.801 -1.956 -1.316

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.932 -1.965 -1.530
{\rm log}_{10}(\tau_{AGN})\, 1.107 1.518 1.856

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.456 -0.153 0.220
0.03-0.10 Gyr -0.122 0.611 1.080
0.10-0.33 Gyr -0.192 0.575 0.961
0.33-1.07 Gyr -1.508 0.107 0.531
1.07-3.52 Gyr -1.328 0.227 0.708
3.52-11.52 Gyr 0.175 0.912 1.072
11.52-12.80 Gyr 0.415 1.234 1.973