2025npj results

Information

Transient
Name:AT2025npj
Right ascension: 13h58m08.02s
Declination:21d11m24.61s
Discovery Date:June 13, 2025, 4:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:
Right ascension: 13h58m07.74s
Declination:21d11m25.45s
Redshift:None
Photometric Redshift:0.134
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
 GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 30.34
Transient MWEBV processed 0.04
Host match processed 5.99
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.12
Validate global photometry processed 17.32
Global host SED inference processed 411.78
Local aperture photometry processed 6.93
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):13h58m07.74s, 21d11m25.41s
semi major axis, semi minor axis (arcsec):6.6, 6.05
angle (degrees, anti-clockwise from east):-119.65
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 51.95 5.25 19.611 0.110 AB
SDSS_g 132.37 3.47 18.596 0.028 AB
DES_g 129.84 0.65 18.617 0.005 AB
PanSTARRS_g 142.63 1.81 18.514 0.014 AB
SDSS_r 199.16 4.5 18.152 0.025 AB
PanSTARRS_r 209.0 1.4 18.100 0.007 AB
DES_r 208.95 1.48 18.100 0.008 AB
SDSS_i 265.14 6.09 17.841 0.025 AB
PanSTARRS_i 276.62 2.34 17.795 0.009 AB
PanSTARRS_z 285.05 3.74 17.763 0.014 AB
SDSS_z 261.2 15.15 17.858 0.063 AB
DES_z 288.79 3.86 17.749 0.014 AB
PanSTARRS_y 353.79 10.59 17.528 0.033 AB
2MASS_J 262.92 160.72 16.956 0.664 Vega
2MASS_H 505.3 237.57 15.774 0.510 Vega
2MASS_K 426.11 291.41 15.488 0.742 Vega
WISE_W1 240.4 14.72 15.249 0.066 Vega
WISE_W2 155.03 16.64 15.085 0.117 Vega
WISE_W3 251.37 57.05 12.725 0.246 Vega
WISE_W4 200.73 344.98 11.523 1.866 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.988 10.084 10.168
{\rm log}_{10}({\rm SFR}) 0.030 0.393 0.766
{\rm log}_{10}({\rm sSFR}) -10.057 -9.715 -9.289
{\rm stellar\ age} 2.556 4.365 5.775

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.272 -0.085 0.053
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.654 -0.086 0.205

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.199 0.335
\delta -0.854 -0.560 -0.156
\tau_1/\tau_2 0.609 0.995 1.370
Q_{PAH} 0.530 1.455 3.154
U_{min} 2.302 6.667 13.352
{\rm log}_{10}(\gamma_e)\, -3.083 -2.288 -1.275

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.350 -3.315 -2.271
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.500 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.237 0.398 0.562
0.03-0.10 Gyr -0.144 0.386 0.848
0.10-0.32 Gyr 0.197 0.614 0.891
0.32-1.04 Gyr 0.276 0.665 0.888
1.04-3.36 Gyr 0.008 0.308 0.535
3.36-10.84 Gyr -0.581 -0.010 0.234
10.84-12.05 Gyr -0.952 -0.083 0.410