2025sph

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Information

Transient

Name: AT2025sph
Right ascension: 22h19m15.74s
Declination: -5d33m07.95s
Discovery Date: July 27, 2025, 10:07 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.085

Host

Name:
Right ascension: 22h19m15.94s
Declination: -5d33m10.35s
Redshift: None
Photometric Redshift: 0.090
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 22.63
Transient MWEBV processed 0.04
Host match processed 5.99
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.44
Validate global photometry processed 14.45
Global host SED inference processed 383.61
Local aperture photometry processed 6.18
Validate local photometry processed 0.02
Local host SED inference processed 415.91
 

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) = 22h19m15.74s, -5d33m07.95s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 5.15 0.11 22.120 0.023 AB
DES_r 9.25 0.24 21.485 0.028 AB
PanSTARRS_i 14.53 0.44 20.994 0.033 AB
PanSTARRS_z 16.08 0.91 20.884 0.061 AB
DES_z 15.13 0.75 20.951 0.054 AB
PanSTARRS_y 18.78 2.04 20.716 0.118 AB

Aperture details

RA, DEC (J2000) = 22h19m15.94s, -5d33m09.93s
semi major axis, semi minor axis (arcsec) = 10.09, 6.55
angle (degrees, anti-clockwise from east) = -129.11

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.35 2.6 21.263 0.249 AB
GALEX_NUV 13.39 0.88 21.083 0.071 AB
DES_g 175.54 0.69 18.289 0.004 AB
PanSTARRS_g 187.95 1.86 18.215 0.011 AB
PanSTARRS_r 321.86 1.95 17.631 0.007 AB
DES_r 340.89 1.51 17.568 0.005 AB
PanSTARRS_i 448.78 2.97 17.270 0.007 AB
PanSTARRS_z 599.93 6.19 16.955 0.011 AB
DES_z 589.68 4.86 16.973 0.009 AB
PanSTARRS_y 665.44 13.85 16.842 0.023 AB
2MASS_J 690.82 178.73 15.907 0.281 Vega
2MASS_H 613.63 272.73 15.563 0.483 Vega
2MASS_K 674.66 311.99 14.989 0.502 Vega
WISE_W1 453.8 16.35 14.559 0.039 Vega
WISE_W2 264.86 23.41 14.503 0.096 Vega
WISE_W3 782.97 114.66 11.492 0.159 Vega
WISE_W4 620.01 601.88 10.299 1.054 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})\, 8.642 8.796 8.928
{\rm log}_{10}({\rm SFR}) -1.275 -0.845 -0.335
{\rm log}_{10}({\rm sSFR}) -10.123 -9.655 -9.065
{\rm stellar\ age} 4.024 6.320 7.634

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.627 -1.112 -0.583
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.482 -0.866 -0.020

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.607 1.003 1.504
\delta -0.195 0.077 0.275
\tau_1/\tau_2 0.742 1.083 1.425
Q_{PAH} 0.874 2.752 5.072
U_{min} 2.789 7.501 14.900
{\rm log}_{10}(\gamma_e)\, -2.978 -1.980 -0.976

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.337 -0.757 -0.014
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.412 1.895

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.163 -0.782 -0.336
0.03-0.10 Gyr -1.436 -0.908 -0.341
0.10-0.33 Gyr -1.826 -1.187 -0.672
0.33-1.06 Gyr -2.034 -1.325 -0.856
1.06-3.47 Gyr -1.792 -1.195 -0.943
3.47-11.32 Gyr -1.623 -1.114 -0.921
11.32-12.57 Gyr -1.879 -1.150 -0.637

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.291 10.333 10.395
{\rm log}_{10}({\rm SFR}) -0.378 -0.005 0.327
{\rm log}_{10}({\rm sSFR}) -10.747 -10.363 -9.993
{\rm stellar\ age} 6.523 7.242 8.675

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.698 -0.496 -0.336
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.529 -0.764 0.044

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.151 0.263 0.413
\delta -0.289 0.006 0.214
\tau_1/\tau_2 0.654 0.994 1.338
Q_{PAH} 1.008 2.516 4.528
U_{min} 2.507 7.684 14.856
{\rm log}_{10}(\gamma_e)\, -2.347 -1.439 -0.567

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.071 -2.794 -1.767
{\rm log}_{10}(\tau_{AGN})\, 1.049 1.551 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.754 -0.755 -0.408
0.03-0.10 Gyr -0.323 0.127 0.481
0.10-0.33 Gyr -0.092 0.234 0.519
0.33-1.06 Gyr -0.289 0.085 0.310
1.06-3.47 Gyr -0.237 0.188 0.415
3.47-11.32 Gyr 0.288 0.481 0.582
11.32-12.57 Gyr 0.166 0.616 1.138