2025sgm results

Information

Transient
Name:SN2025sgm
Right ascension: 0h53m14.47s
Declination:-3d37m21.74s
Discovery Date:July 24, 2025, 11:46 p.m.
Classification:SN Ia
Redshift:0.052119
MW E(B-V):0.042
Host
Name:173070
Right ascension: 0h53m14.49s
Declination:-3d37m21.62s
Redshift:0.051703
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.41
Transient MWEBV processed 0.2
Host match processed 5.13
Host information processed 0.12
Host MWEBV processed 0.15
Global aperture construction processed 0.66
Global aperture photometry processed 5.97
Validate global photometry processed 18.46
Global host SED inference processed 464.64
Local aperture photometry processed 5.81
Validate local photometry processed 0.03
Local host SED inference processed 542.76
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h53m14.47s, -3d37m21.74s
semi major axis, semi minor axis (arcsec):1.98, 1.98
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 123.68 3.28 18.669 0.029 AB
SDSS_g 732.47 7.07 16.738 0.010 AB
DES_g 738.01 0.77 16.730 0.001 AB
PanSTARRS_g 802.93 0.79 16.638 0.001 AB
SDSS_r 1690.25 10.72 15.830 0.007 AB
PanSTARRS_r 1607.42 0.84 15.885 0.001 AB
DES_r 1839.76 1.53 15.738 0.001 AB
SDSS_i 2440.4 12.94 15.431 0.006 AB
PanSTARRS_i 2381.64 1.02 15.458 0.000 AB
PanSTARRS_z 2908.63 1.91 15.241 0.001 AB
SDSS_z 3272.51 16.0 15.113 0.005 AB
DES_z 3355.86 5.28 15.085 0.002 AB
PanSTARRS_y 3500.02 3.91 15.040 0.001 AB

Aperture details

RA, DEC (J2000):0h53m14.48s, -3d37m21.66s
semi major axis, semi minor axis (arcsec):13.84, 4.69
angle (degrees, anti-clockwise from east):-152.39
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.07 0.5 23.110 0.264 AB
GALEX_NUV 11.63 0.66 21.236 0.062 AB
SDSS_u 339.16 8.12 17.574 0.026 AB
PanSTARRS_g 1788.49 2.07 15.769 0.001 AB
SDSS_r 3528.3 15.97 15.031 0.005 AB
PanSTARRS_r 3509.75 2.17 15.037 0.001 AB
DES_r 3227.95 2.09 15.128 0.001 AB
SDSS_i 5111.64 19.88 14.629 0.004 AB
PanSTARRS_i 5083.5 2.7 14.635 0.001 AB
PanSTARRS_z 6429.8 5.63 14.380 0.001 AB
SDSS_z 6708.78 32.24 14.333 0.005 AB
DES_z 5796.91 7.09 14.492 0.001 AB
PanSTARRS_y 7838.47 14.87 14.164 0.002 AB
2MASS_J 9855.55 186.73 13.021 0.021 Vega
2MASS_H 12129.91 291.98 12.323 0.026 Vega
2MASS_K 10949.82 360.88 11.964 0.036 Vega
WISE_W1 4384.77 41.8 12.096 0.010 Vega
WISE_W2 2511.29 45.76 12.061 0.020 Vega
WISE_W3 730.87 140.2 11.566 0.208 Vega
WISE_W4 1840.97 748.91 9.117 0.442 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.339 10.459 10.559
{\rm log}_{10}({\rm SFR}) -0.144 0.314 0.762
{\rm log}_{10}({\rm sSFR}) -10.637 -10.148 -9.624
{\rm stellar\ age} 3.859 6.231 7.503

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.521 -0.941 -0.623
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.117 0.222 0.386

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.653 0.846 1.118
\delta -0.931 -0.782 -0.561
\tau_1/\tau_2 0.687 1.016 1.354
Q_{PAH} 1.048 2.983 5.193
U_{min} 2.615 7.373 14.269
{\rm log}_{10}(\gamma_e)\, -3.303 -1.695 -0.712

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.413 -3.179 -1.204
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.630 2.015

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.030 0.292 0.576
0.03-0.10 Gyr -0.405 0.298 0.837
0.10-0.33 Gyr -0.157 0.502 0.953
0.33-1.08 Gyr -0.878 0.375 0.711
1.08-3.57 Gyr -0.196 0.413 0.666
3.57-11.75 Gyr -0.306 0.297 0.601
11.75-13.06 Gyr -0.505 0.343 0.946
0.33-1.08 Gyr -0.024 0.528 0.836
1.08-3.57 Gyr 0.226 0.615 0.849
3.57-11.76 Gyr -0.077 0.486 0.687
11.76-13.07 Gyr -0.358 0.478 0.964

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.954 11.065 11.099
{\rm log}_{10}({\rm SFR}) -5.492 -2.801 -1.922
{\rm log}_{10}({\rm sSFR}) -16.677 -13.855 -12.923
{\rm stellar\ age} 8.498 12.227 12.408

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.667 -0.536 -0.398
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.454 -0.660 0.081

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.054 0.108 0.194
\delta -0.684 -0.282 0.069
\tau_1/\tau_2 0.494 0.946 1.462
Q_{PAH} 0.519 1.724 3.661
U_{min} 2.968 9.365 17.339
{\rm log}_{10}(\gamma_e)\, -2.349 -1.518 -0.749

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.466 -3.730 -2.795
{\rm log}_{10}(\tau_{AGN})\, 1.136 1.631 1.976

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.153 -2.955 -1.930
0.03-0.10 Gyr -6.655 -3.197 -1.932
0.10-0.33 Gyr -6.702 -3.597 -2.007
0.33-1.08 Gyr -5.504 -2.225 -0.601
1.08-3.57 Gyr -3.861 -1.644 0.232
3.57-11.75 Gyr -1.860 0.126 1.207
11.75-13.06 Gyr 0.994 2.180 2.252
0.33-1.08 Gyr -5.919 -3.055 -1.580
1.08-3.57 Gyr -4.060 -2.240 -0.651
3.57-11.76 Gyr -1.854 -0.149 1.190
11.76-13.07 Gyr 1.343 2.192 2.235