2025nep

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Information

Transient

Name: AT2025nep
Right ascension: 21h28m30.99s
Declination: 0d16m59.61s
Discovery Date: May 31, 2025, 1:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.045

Host

Name: 2025nep
Right ascension: 21h28m30.82s
Declination: 0d16m56.79s
Redshift: 0.030839
Photometric Redshift: 0.045
 

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 2.24
Cutout download processed 17.83
Global aperture construction processed 0.66
Local aperture photometry processed 7.49
Global aperture photometry processed 7.49
Validate local photometry processed 0.03
Validate global photometry processed 19.89
Host information processed 0.09
Global host SED inference processed 474.64
Local host SED inference processed 562.98
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
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) = 21h28m30.99s, 0d16m59.61s
semi major axis, semi minor axis (arcsec) = 3.24, 3.24
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 75.5 3.46 19.205 0.050 AB
SDSS_g 199.45 3.78 18.150 0.021 AB
DES_g 204.2 0.45 18.125 0.002 AB
PanSTARRS_g 206.67 0.77 18.112 0.004 AB
SDSS_r 296.38 4.79 17.720 0.018 AB
PanSTARRS_r 314.36 1.0 17.656 0.003 AB
DES_r 329.99 0.68 17.604 0.002 AB
SDSS_i 382.07 5.91 17.445 0.017 AB
PanSTARRS_i 381.8 1.05 17.445 0.003 AB
PanSTARRS_z 446.93 2.51 17.274 0.006 AB
SDSS_z 474.81 14.91 17.209 0.034 AB
DES_z 479.2 5.86 17.199 0.013 AB
PanSTARRS_y 497.12 6.57 17.159 0.014 AB
2MASS_J 519.59 75.55 16.216 0.158 Vega
2MASS_H 808.38 118.98 15.263 0.160 Vega
2MASS_K 519.08 134.01 15.274 0.280 Vega

Aperture details

RA, DEC (J2000) = 21h28m30.85s, 0d16m57.33s
semi major axis, semi minor axis (arcsec) = 15.32, 4.63
angle (degrees, anti-clockwise from east) = -126.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 48.95 1.3 19.676 0.029 AB
GALEX_NUV 74.54 0.31 19.219 0.004 AB
SDSS_u 201.31 7.94 18.140 0.043 AB
SDSS_g 569.58 6.67 17.011 0.013 AB
DES_g 460.62 0.74 17.242 0.002 AB
PanSTARRS_g 579.11 1.92 16.993 0.004 AB
SDSS_r 890.68 9.02 16.526 0.011 AB
PanSTARRS_r 900.74 2.48 16.513 0.003 AB
DES_r 797.92 1.13 16.645 0.002 AB
SDSS_i 1140.06 11.85 16.258 0.011 AB
PanSTARRS_i 1129.34 2.65 16.268 0.003 AB
PanSTARRS_z 1347.6 6.42 16.076 0.005 AB
SDSS_z 1483.38 37.33 15.972 0.027 AB
DES_z 1207.18 9.76 16.196 0.009 AB
PanSTARRS_y 1443.57 16.9 16.001 0.013 AB
2MASS_J 1348.24 210.76 15.181 0.170 Vega
2MASS_H 2597.32 330.54 13.996 0.138 Vega
2MASS_K 1723.16 374.77 13.971 0.236 Vega
WISE_W1 1114.01 24.44 13.584 0.024 Vega
WISE_W2 747.51 27.86 13.377 0.040 Vega
WISE_W3 3153.72 115.12 9.979 0.040 Vega
WISE_W4 4054.5 805.66 8.260 0.216 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})\, 8.983 9.146 9.299
{\rm log}_{10}({\rm SFR}) -1.095 -0.433 0.103
{\rm log}_{10}({\rm sSFR}) -10.335 -9.610 -8.984
{\rm stellar\ age} 3.743 6.555 8.163

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.691 -1.089 -0.565
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.855 -1.371 0.174

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.256 0.605 1.028
\delta -0.586 -0.196 0.158
\tau_1/\tau_2 0.730 1.094 1.476
Q_{PAH} 0.553 2.207 4.521
U_{min} 2.911 8.418 15.788
{\rm log}_{10}(\gamma_e)\, -3.400 -2.143 -0.969

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.073 -2.331 -0.917
{\rm log}_{10}(\tau_{AGN})\, 0.921 1.307 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.388 -1.005 -0.624
0.03-0.10 Gyr -1.059 -0.322 0.246
0.10-0.33 Gyr -1.320 -0.634 -0.127
0.33-1.10 Gyr -1.857 -0.948 -0.527
1.10-3.63 Gyr -1.765 -0.935 -0.592
3.63-12.01 Gyr -1.704 -0.868 -0.604
12.01-13.34 Gyr -1.832 -0.843 -0.221

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.681 9.801 9.915
{\rm log}_{10}({\rm SFR}) -1.402 -0.164 0.119
{\rm log}_{10}({\rm sSFR}) -11.214 -9.963 -9.614
{\rm stellar\ age} 6.465 7.702 11.287

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.690 -1.328 -0.960
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -0.760 0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.464 0.630 0.790
\delta 0.076 0.262 0.362
\tau_1/\tau_2 0.505 0.890 1.280
Q_{PAH} 1.420 2.437 4.036
U_{min} 2.974 8.483 16.091
{\rm log}_{10}(\gamma_e)\, -3.487 -2.767 -2.024

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.995 -1.794 -1.592
{\rm log}_{10}(\tau_{AGN})\, 0.774 0.933 1.295

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.303 -2.512 -1.124
0.03-0.10 Gyr -1.259 -0.012 0.278
0.10-0.33 Gyr -1.147 -0.143 0.208
0.33-1.10 Gyr -2.865 -1.001 -0.430
1.10-3.63 Gyr -2.117 -0.591 -0.036
3.63-12.01 Gyr -1.175 -0.145 0.069
12.01-13.34 Gyr -1.549 -0.036 0.931