2025spk

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Information

Transient

Name: AT2025spk
Right ascension: 22h55m00.89s
Declination: 25d18m45.13s
Discovery Date: July 27, 2025, 8:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.162

Host

Name:
Right ascension: 22h55m00.83s
Declination: 25d18m41.10s
Redshift: 0.101840
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 8.59
Transient MWEBV processed 0.06
Host match processed 7.28
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 5.15
Validate global photometry processed 14.28
Global host SED inference processed 523.28
Local aperture photometry processed 5.96
Validate local photometry processed 0.02
Local host SED inference processed 570.35
 

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) = 22h55m00.89s, 25d18m45.13s
semi major axis, semi minor axis (arcsec) = 1.07, 1.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 13.24 0.57 21.095 0.047 AB
PanSTARRS_y 12.65 1.94 21.144 0.166 AB

Aperture details

RA, DEC (J2000) = 22h55m00.82s, 25d18m41.22s
semi major axis, semi minor axis (arcsec) = 6.73, 5.44
angle (degrees, anti-clockwise from east) = -74.99

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.45 1.54 22.556 0.486 AB
GALEX_NUV 5.13 1.8 22.125 0.381 AB
DES_g 256.72 0.53 17.876 0.002 AB
PanSTARRS_g 246.21 1.69 17.922 0.007 AB
PanSTARRS_r 579.62 2.13 16.992 0.004 AB
DES_r 652.91 1.48 16.863 0.002 AB
PanSTARRS_i 891.18 2.41 16.525 0.003 AB
PanSTARRS_z 1172.72 4.68 16.227 0.004 AB
DES_z 1298.14 5.25 16.117 0.004 AB
PanSTARRS_y 1357.46 10.86 16.068 0.009 AB
2MASS_J 1817.2 142.63 14.857 0.085 Vega
2MASS_H 2572.5 244.66 14.007 0.103 Vega
2MASS_K 2048.25 229.7 13.784 0.122 Vega
WISE_W1 888.21 16.46 13.830 0.020 Vega
WISE_W2 587.15 19.42 13.639 0.036 Vega
WISE_W3 206.93 67.16 12.936 0.352 Vega
WISE_W4 48.29 491.74 13.070 11.055 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})\, 8.105 8.687 9.001
{\rm log}_{10}({\rm SFR}) -1.055 -0.512 0.029
{\rm log}_{10}({\rm sSFR}) -9.881 -9.121 -8.202
{\rm stellar\ age} 0.786 5.642 7.818

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.461 -0.517 0.020
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.226 -0.628 0.018

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.478 0.989 1.678
\delta -0.368 0.011 0.298
\tau_1/\tau_2 0.524 0.928 1.376
Q_{PAH} 0.788 2.273 4.704
U_{min} 2.841 8.173 15.348
{\rm log}_{10}(\gamma_e)\, -3.056 -1.998 -0.805

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.416 -0.762 0.130
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.482 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.949 -0.322 0.203
0.03-0.10 Gyr -2.157 -0.889 -0.087
0.10-0.33 Gyr -3.672 -1.587 -0.683
0.33-1.06 Gyr -4.297 -1.681 -0.849
1.06-3.44 Gyr -4.013 -1.686 -1.017
3.44-11.19 Gyr -3.713 -1.477 -0.941
11.19-12.43 Gyr -3.633 -1.415 -0.482

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.832 10.918 11.027
{\rm log}_{10}({\rm SFR}) -6.046 -2.699 -1.004
{\rm log}_{10}({\rm sSFR}) -17.044 -13.716 -11.905
{\rm stellar\ age} 7.185 8.772 11.785

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.363 -1.070 -0.851
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.544 -0.683 0.125

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.303 0.456
\delta -0.810 -0.524 -0.200
\tau_1/\tau_2 0.545 1.029 1.539
Q_{PAH} 0.475 1.533 3.328
U_{min} 4.147 10.915 19.216
{\rm log}_{10}(\gamma_e)\, -2.729 -1.450 -0.574

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.162 -2.984 -2.040
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.434 1.859

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.278 -3.568 -1.344
0.03-0.10 Gyr -6.938 -3.336 -1.004
0.10-0.33 Gyr -6.354 -3.243 -0.895
0.33-1.06 Gyr -5.618 -2.822 -0.511
1.06-3.44 Gyr -3.517 -1.396 0.618
3.44-11.19 Gyr -1.479 0.803 1.208
11.19-12.43 Gyr -0.917 1.612 2.181