2025nch results

Information

Transient
Name:SN2025nch
Right ascension: 1h27m12.17s
Declination:17d11m35.23s
Discovery Date:June 8, 2025, 11:13 a.m.
Classification:SN II
Redshift:0.060000
MW E(B-V):0.126
Host
Name:
Right ascension: 1h27m11.84s
Declination:17d11m35.50s
Redshift:None
Photometric Redshift:0.057
 

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 30.42
Transient MWEBV processed 0.1
Host match processed 5.73
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.6
Global aperture photometry processed 6.01
Validate global photometry processed 16.24
Global host SED inference processed 1021.2
Local aperture photometry processed 6.78
Validate local photometry processed 0.03
Local host SED inference processed 451.58
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h27m12.17s, 17d11m35.23s
semi major axis, semi minor axis (arcsec):1.73, 1.73
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 0.38 1.71 24.965 4.963 AB
SDSS_g 10.49 0.95 21.348 0.098 AB
DES_g 11.36 0.19 21.262 0.018 AB
PanSTARRS_g 8.79 0.48 21.540 0.059 AB
SDSS_r 21.91 1.44 20.548 0.071 AB
PanSTARRS_r 16.53 0.7 20.854 0.046 AB
DES_r 22.79 0.39 20.506 0.019 AB
SDSS_i 30.15 1.91 20.202 0.069 AB
PanSTARRS_i 24.77 0.61 20.415 0.027 AB
PanSTARRS_z 26.91 1.18 20.325 0.048 AB
SDSS_z 34.94 7.12 20.042 0.221 AB
DES_z 39.27 1.13 19.915 0.031 AB
PanSTARRS_y 36.44 2.92 19.996 0.087 AB

Aperture details

RA, DEC (J2000):1h27m11.84s, 17d11m35.71s
semi major axis, semi minor axis (arcsec):10.56, 8.68
angle (degrees, anti-clockwise from east):-137.2
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.29 2.66 21.268 0.256 AB
GALEX_NUV 18.2 2.67 20.750 0.159 AB
SDSS_u 125.86 9.86 18.650 0.085 AB
SDSS_g 295.82 5.15 17.722 0.019 AB
DES_g 330.63 1.02 17.602 0.003 AB
PanSTARRS_g 338.91 2.65 17.575 0.008 AB
SDSS_r 647.9 7.9 16.871 0.013 AB
PanSTARRS_r 651.8 3.86 16.865 0.006 AB
DES_r 697.94 2.16 16.790 0.003 AB
SDSS_i 972.2 10.76 16.431 0.012 AB
PanSTARRS_i 955.94 3.4 16.449 0.004 AB
PanSTARRS_z 1129.15 6.54 16.268 0.006 AB
SDSS_z 1297.5 39.7 16.117 0.033 AB
DES_z 1228.39 6.33 16.177 0.006 AB
PanSTARRS_y 1453.94 16.04 15.994 0.012 AB
2MASS_J 1461.77 222.51 15.093 0.165 Vega
2MASS_H 2107.48 287.49 14.223 0.148 Vega
2MASS_K 1724.44 498.57 13.971 0.314 Vega
WISE_W1 848.49 22.06 13.879 0.028 Vega
WISE_W2 530.97 26.31 13.748 0.054 Vega
WISE_W3 1586.53 112.46 10.725 0.077 Vega
WISE_W4 1125.0 498.81 9.652 0.481 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.326 8.567 8.698
{\rm log}_{10}({\rm SFR}) -1.653 -1.061 -0.525
{\rm log}_{10}({\rm sSFR}) -10.281 -9.622 -8.873
{\rm stellar\ age} 1.909 5.029 6.772

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.092 -0.428 0.000
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.140 0.099 0.349

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.274 0.707 1.150
\delta -0.549 -0.183 0.097
\tau_1/\tau_2 0.713 1.076 1.445
Q_{PAH} 0.884 2.724 5.450
U_{min} 3.003 7.841 14.548
{\rm log}_{10}(\gamma_e)\, -2.741 -1.664 -0.638

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.203 -0.883 -0.027
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.532 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.590 -1.051 -0.642
0.03-0.10 Gyr -1.862 -1.108 -0.465
0.10-0.33 Gyr -1.710 -1.045 -0.497
0.33-1.08 Gyr -1.686 -1.125 -0.772
1.08-3.55 Gyr -2.044 -1.299 -1.050
3.55-11.66 Gyr -2.564 -1.522 -1.202
11.66-12.96 Gyr -2.704 -1.628 -1.084

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.296 10.362 10.483
{\rm log}_{10}({\rm SFR}) 0.076 0.480 0.861
{\rm log}_{10}({\rm sSFR}) -10.301 -9.852 -9.509
{\rm stellar\ age} 7.640 9.494 12.032

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.017 -0.673 -0.506
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.241 0.366 0.453

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.200 0.277 0.422
\delta -0.939 -0.784 -0.464
\tau_1/\tau_2 0.548 1.019 1.487
Q_{PAH} 0.277 0.852 1.969
U_{min} 3.039 8.743 16.682
{\rm log}_{10}(\gamma_e)\, -3.265 -2.284 -1.510

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.318 -3.277 -2.349
{\rm log}_{10}(\tau_{AGN})\, 1.123 1.614 1.960

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.157 -0.354 -0.041
0.03-0.10 Gyr 0.208 0.622 1.013
0.10-0.33 Gyr -3.307 -1.202 -0.191
0.33-1.08 Gyr -5.042 -1.347 -0.463
1.08-3.55 Gyr -3.656 -1.116 -0.233
3.55-11.66 Gyr -0.946 0.366 0.578
11.66-12.96 Gyr 0.285 1.135 1.596