2025sqn

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Information

Transient

Name: SN2025sqn
Right ascension: 0h50m54.69s
Declination: 25d37m43.65s
Discovery Date: July 24, 2025, 8:54 a.m.
Classification: SN Ia
Redshift: 0.050575
MW E(B-V): 0.040

Host

Name: 2967
Right ascension: 0h50m54.65s
Declination: 25d37m40.20s
Redshift: 0.050575
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.63
Cutout download processed 33.0
Global aperture construction processed 0.76
Local aperture photometry processed 5.99
Global aperture photometry processed 5.29
Validate local photometry processed 0.03
Validate global photometry processed 16.36
Host information processed 0.16
Global host SED inference processed 372.76
Local host SED inference processed 458.75
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.09
Processing status completed N/A N/A
 

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) = 0h50m54.69s, 25d37m43.65s
semi major axis, semi minor axis (arcsec) = 2.03, 2.03
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 56.22 2.58 19.525 0.050 AB
SDSS_g 293.2 4.48 17.732 0.017 AB
DES_g 331.35 0.81 17.599 0.003 AB
PanSTARRS_g 376.86 0.72 17.460 0.002 AB
SDSS_r 673.24 6.8 16.830 0.011 AB
PanSTARRS_r 797.1 0.81 16.646 0.001 AB
DES_r 776.98 2.36 16.674 0.003 AB
SDSS_i 1069.38 8.66 16.327 0.009 AB
PanSTARRS_i 1203.78 1.12 16.199 0.001 AB
PanSTARRS_z 1556.7 1.93 15.919 0.001 AB
SDSS_z 1406.69 11.0 16.030 0.008 AB
DES_z 1485.35 7.35 15.970 0.005 AB
PanSTARRS_y 1977.37 4.56 15.660 0.003 AB

Aperture details

RA, DEC (J2000) = 0h50m54.66s, 25d37m42.06s
semi major axis, semi minor axis (arcsec) = 21.5, 8.34
angle (degrees, anti-clockwise from east) = -154.88

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 30.96 5.56 20.173 0.195 AB
GALEX_NUV 63.84 5.76 19.387 0.098 AB
SDSS_u 633.91 13.34 16.895 0.023 AB
SDSS_g 3003.55 14.7 15.206 0.005 AB
DES_g 3231.76 2.65 15.126 0.001 AB
PanSTARRS_g 3255.83 4.13 15.118 0.001 AB
SDSS_r 7067.84 22.63 14.277 0.003 AB
PanSTARRS_r 7097.09 4.2 14.272 0.001 AB
DES_r 7866.32 7.74 14.161 0.001 AB
SDSS_i 11110.07 29.58 13.786 0.003 AB
PanSTARRS_i 10992.93 6.02 13.797 0.001 AB
PanSTARRS_z 14247.83 11.48 13.516 0.001 AB
SDSS_z 14782.53 46.11 13.476 0.003 AB
DES_z 15172.63 23.74 13.447 0.002 AB
PanSTARRS_y 18324.44 29.3 13.242 0.002 AB
2MASS_J 24092.64 315.41 12.050 0.014 Vega
2MASS_H 29542.26 474.64 11.356 0.017 Vega
2MASS_K 27279.49 523.75 10.973 0.021 Vega
WISE_W1 12456.57 67.26 10.963 0.006 Vega
WISE_W2 7625.85 74.27 10.855 0.011 Vega
WISE_W3 11118.94 164.21 8.611 0.016 Vega
WISE_W4 8393.83 952.09 7.470 0.123 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.191 10.310 10.439
{\rm log}_{10}({\rm SFR}) -1.437 -0.540 0.230
{\rm log}_{10}({\rm sSFR}) -11.832 -10.862 -10.006
{\rm stellar\ age} 5.569 7.496 9.999

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.266 -0.713 -0.439
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.505 -0.403 0.127

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.523 0.825 1.308
\delta -0.729 -0.467 -0.139
\tau_1/\tau_2 0.570 0.949 1.318
Q_{PAH} 0.291 1.166 3.742
U_{min} 2.842 8.352 15.799
{\rm log}_{10}(\gamma_e)\, -3.193 -1.576 -0.706

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.882 -1.663 -0.840
{\rm log}_{10}(\tau_{AGN})\, 0.998 1.483 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.489 -0.599 0.050
0.03-0.10 Gyr -1.773 -0.600 0.296
0.10-0.33 Gyr -1.732 -0.508 0.454
0.33-1.09 Gyr -1.637 -0.299 0.426
1.09-3.57 Gyr -1.245 0.155 0.540
3.57-11.77 Gyr -0.254 0.365 0.577
11.77-13.08 Gyr -0.187 0.523 1.278

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.341 11.378 11.463
{\rm log}_{10}({\rm SFR}) -0.298 0.019 0.252
{\rm log}_{10}({\rm sSFR}) -11.708 -11.371 -11.126
{\rm stellar\ age} 8.003 9.409 12.080

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.442 -0.318 -0.213
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.188 0.351 0.446

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.298 0.382 0.479
\delta -0.680 -0.465 -0.267
\tau_1/\tau_2 0.371 0.749 1.153
Q_{PAH} 0.743 1.419 2.221
U_{min} 2.545 7.612 14.695
{\rm log}_{10}(\gamma_e)\, -3.145 -2.392 -1.845

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.186 -3.193 -2.278
{\rm log}_{10}(\tau_{AGN})\, 1.071 1.529 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.043 0.304 0.500
0.03-0.10 Gyr -1.423 -0.303 0.161
0.10-0.33 Gyr -1.567 -0.463 0.071
0.33-1.09 Gyr -1.741 -0.537 0.060
1.09-3.57 Gyr -1.245 -0.048 0.621
3.57-11.77 Gyr 0.490 1.479 1.621
11.77-13.08 Gyr 1.432 2.080 2.570