2025nam

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Information

Transient

Name: AT2025nam
Right ascension: 20h52m45.52s
Declination: -4d23m30.83s
Discovery Date: June 5, 2025, 9:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.078

Host

Name: 2025nam
Right ascension: 20h52m45.61s
Declination: -4d23m31.95s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.36
Transient MWEBV processed 0.08
Host match processed 4.15
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.75
Global aperture photometry processed 5.86
Validate global photometry processed 14.54
Global host SED inference processed 463.02
Local aperture photometry processed 5.33
Validate local photometry processed 0.02
Local host SED inference processed 732.58
 

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) = 20h52m45.52s, -4d23m30.83s
semi major axis, semi minor axis (arcsec) = 1.07, 1.07
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 113.85 1.6 18.759 0.015 AB
PanSTARRS_y 129.07 1.93 18.623 0.016 AB

Aperture details

RA, DEC (J2000) = 20h52m45.58s, -4d23m31.66s
semi major axis, semi minor axis (arcsec) = 16.48, 3.23
angle (degrees, anti-clockwise from east) = -65.28

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 37.5 4.79 19.965 0.139 AB
GALEX_NUV 45.52 3.58 19.755 0.085 AB
DES_g 233.74 0.86 17.978 0.004 AB
PanSTARRS_g 417.3 1.97 17.349 0.005 AB
PanSTARRS_r 688.84 2.15 16.805 0.003 AB
DES_r 472.79 1.73 17.213 0.004 AB
PanSTARRS_i 1016.67 2.12 16.382 0.002 AB
PanSTARRS_z 1249.15 4.62 16.158 0.004 AB
DES_z 854.43 4.74 16.571 0.006 AB
PanSTARRS_y 1390.41 12.83 16.042 0.010 AB
2MASS_J 2201.33 211.24 14.648 0.104 Vega
2MASS_H 2499.03 329.7 14.038 0.143 Vega
2MASS_K 2226.78 351.39 13.693 0.171 Vega
WISE_W1 1209.32 39.07 13.495 0.035 Vega
WISE_W2 770.72 37.47 13.344 0.053 Vega
WISE_W3 2065.55 155.77 10.438 0.082 Vega
WISE_W4 1733.59 859.21 9.183 0.538 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.342 9.672 9.866
{\rm log}_{10}({\rm SFR}) -0.508 0.009 0.539
{\rm log}_{10}({\rm sSFR}) -10.283 -9.694 -8.920
{\rm stellar\ age} 3.162 6.324 8.348

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.148 -0.289 0.085
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.851 -0.509 0.136

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.500 0.844 1.289
\delta -0.763 -0.325 0.033
\tau_1/\tau_2 0.402 0.820 1.293
Q_{PAH} 0.525 1.914 4.503
U_{min} 2.988 8.151 15.209
{\rm log}_{10}(\gamma_e)\, -3.328 -2.064 -0.566

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.648 -1.421 -0.260
{\rm log}_{10}(\tau_{AGN})\, 1.016 1.436 1.961

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.255 0.210 0.543
0.03-0.10 Gyr -1.702 -0.372 0.518
0.10-0.33 Gyr -2.242 -0.749 0.107
0.33-1.06 Gyr -2.221 -0.600 0.082
1.06-3.44 Gyr -1.951 -0.506 -0.069
3.44-11.19 Gyr -1.531 -0.369 -0.008
11.19-12.43 Gyr -1.466 -0.301 0.483

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.872 10.948 11.009
{\rm log}_{10}({\rm SFR}) 0.169 0.614 0.983
{\rm log}_{10}({\rm sSFR}) -10.807 -10.314 -9.932
{\rm stellar\ age} 7.686 10.772 11.753

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.616 -0.440 -0.288
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.899 -0.669 -0.429

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.412 0.564 0.720
\delta 0.050 0.201 0.316
\tau_1/\tau_2 0.238 0.587 0.961
Q_{PAH} 0.284 0.889 1.741
U_{min} 3.579 9.561 16.650
{\rm log}_{10}(\gamma_e)\, -3.123 -2.333 -1.653

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.401 -3.502 -2.612
{\rm log}_{10}(\tau_{AGN})\, 1.035 1.531 1.944

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.577 0.908 1.190
0.03-0.10 Gyr -1.634 0.131 0.886
0.10-0.33 Gyr -4.347 -1.693 -0.219
0.33-1.06 Gyr -5.773 -2.678 -0.668
1.06-3.44 Gyr -3.625 -1.422 -0.198
3.44-11.19 Gyr -1.139 0.645 1.156
11.19-12.43 Gyr 1.053 2.011 2.157