2025iwn

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Information

Transient

Name: AT2025iwn
Right ascension: 8h23m15.43s
Declination: 59d40m27.04s
Discovery Date: April 25, 2025, 6:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.075

Host

Name: 2025iwn
Right ascension: 8h23m14.97s
Declination: 59d40m23.00s
Redshift: None
Photometric Redshift: 0.059
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.14
Transient MWEBV processed 0.05
Host match processed 3.18
Host information processed 0.08
Host MWEBV processed 0.07
Global aperture construction processed 0.67
Global aperture photometry processed 5.41
Validate global photometry processed 15.28
Global host SED inference processed 396.02
Local aperture photometry processed 5.6
Validate local photometry processed 0.02
Local host SED inference processed 437.31
 

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) = 8h23m15.43s, 59d40m27.04s
semi major axis, semi minor axis (arcsec) = 1.75, 1.75
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 2.43 1.23 22.937 0.549 AB
SDSS_g 16.14 1.14 20.880 0.077 AB
PanSTARRS_g 18.81 0.39 20.714 0.022 AB
SDSS_r 32.41 1.64 20.123 0.055 AB
PanSTARRS_r 35.8 0.62 20.015 0.019 AB
SDSS_i 46.48 2.14 19.732 0.050 AB
PanSTARRS_i 49.23 0.47 19.669 0.010 AB
PanSTARRS_z 57.16 1.42 19.507 0.027 AB
SDSS_z 58.5 4.34 19.482 0.080 AB
PanSTARRS_y 75.07 3.36 19.211 0.049 AB

Aperture details

RA, DEC (J2000) = 8h23m15.13s, 59d40m22.50s
semi major axis, semi minor axis (arcsec) = 13.51, 8.91
angle (degrees, anti-clockwise from east) = -67.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 71.95 7.64 19.257 0.115 AB
SDSS_g 399.87 6.11 17.395 0.017 AB
PanSTARRS_g 458.42 2.4 17.247 0.006 AB
SDSS_r 835.65 8.87 16.595 0.012 AB
PanSTARRS_r 885.42 3.95 16.532 0.005 AB
SDSS_i 1357.57 12.29 16.068 0.010 AB
PanSTARRS_i 1372.56 2.91 16.056 0.002 AB
PanSTARRS_z 1787.96 8.87 15.769 0.005 AB
SDSS_z 1857.21 26.91 15.728 0.016 AB
PanSTARRS_y 2208.53 21.12 15.540 0.010 AB
2MASS_J 3376.21 229.28 14.184 0.074 Vega
2MASS_H 4355.51 346.08 13.435 0.086 Vega
2MASS_K 5286.12 438.53 12.754 0.090 Vega
WISE_W1 2744.27 34.16 12.605 0.014 Vega
WISE_W2 1857.69 38.62 12.389 0.023 Vega
WISE_W3 8073.06 133.6 8.958 0.018 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})\, 8.877 8.999 9.121
{\rm log}_{10}({\rm SFR}) -1.900 -1.276 -0.748
{\rm log}_{10}({\rm sSFR}) -10.962 -10.334 -9.755
{\rm stellar\ age} 4.839 6.827 8.304

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.536 -0.824 -0.231
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.608 -0.265 0.319

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.293 0.763 1.138
\delta -0.397 -0.076 0.187
\tau_1/\tau_2 0.651 1.012 1.364
Q_{PAH} 0.679 2.436 5.265
U_{min} 2.968 7.423 14.353
{\rm log}_{10}(\gamma_e)\, -2.823 -1.642 -0.535

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.115 -0.739 -0.157
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.533 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.058 -1.447 -0.967
0.03-0.10 Gyr -2.064 -1.298 -0.658
0.10-0.33 Gyr -1.995 -1.222 -0.684
0.33-1.08 Gyr -1.843 -1.151 -0.666
1.08-3.55 Gyr -1.521 -0.964 -0.714
3.55-11.67 Gyr -1.379 -0.938 -0.739
11.67-12.97 Gyr -1.571 -0.895 -0.306

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.503 10.615 10.715
{\rm log}_{10}({\rm SFR}) 0.041 0.311 0.554
{\rm log}_{10}({\rm sSFR}) -10.554 -10.319 -10.035
{\rm stellar\ age} 4.822 6.592 7.914

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.634 -0.337 -0.078
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.742 -1.333 -0.652

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.846 1.034 1.264
\delta 0.040 0.184 0.302
\tau_1/\tau_2 0.535 0.843 1.142
Q_{PAH} 1.010 1.794 2.773
U_{min} 1.999 5.923 12.693
{\rm log}_{10}(\gamma_e)\, -3.513 -2.773 -1.785

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.857 -1.953 -1.600
{\rm log}_{10}(\tau_{AGN})\, 0.971 1.304 1.739

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.226 0.483 0.679
0.03-0.10 Gyr -0.384 0.173 0.561
0.10-0.33 Gyr -0.321 0.247 0.674
0.33-1.08 Gyr 0.078 0.508 0.844
1.08-3.55 Gyr 0.413 0.748 0.989
3.55-11.67 Gyr 0.328 0.686 0.882
11.67-12.97 Gyr -0.068 0.650 1.185