2025ich

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Information

Transient

Name: AT2025ich
Right ascension: 19h39m36.37s
Declination: -18d15m56.22s
Discovery Date: April 22, 2025, 12:02 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.083

Host

Name: 2025ich
Right ascension: 19h39m36.80s
Declination: -18d15m52.35s
Redshift: 0.064391
Photometric Redshift: 0.092
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.64
Transient MWEBV processed 0.04
Host match processed 5.95
Host information processed 0.09
Host MWEBV processed 0.23
Global aperture construction processed 0.71
Global aperture photometry processed 4.31
Validate global photometry processed 12.84
Global host SED inference processed 412.76
Local aperture photometry processed 4.3
Validate local photometry processed 0.02
Local host SED inference processed 437.32
 

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) = 19h39m36.37s, -18d15m56.22s
semi major axis, semi minor axis (arcsec) = 1.62, 1.62
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 4.21 0.38 22.338 0.098 AB
PanSTARRS_r 5.76 0.52 21.999 0.099 AB
PanSTARRS_i 7.75 0.47 21.677 0.066 AB
PanSTARRS_z 5.44 1.29 22.061 0.257 AB
PanSTARRS_y 13.87 2.79 21.045 0.219 AB

Aperture details

RA, DEC (J2000) = 19h39m36.79s, -18d15m52.11s
semi major axis, semi minor axis (arcsec) = 9.6, 7.39
angle (degrees, anti-clockwise from east) = -110.14

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.76 4.62 20.460 0.211 AB
GALEX_NUV 54.85 3.86 19.552 0.076 AB
PanSTARRS_g 427.49 2.03 17.323 0.005 AB
PanSTARRS_r 717.05 2.83 16.761 0.004 AB
PanSTARRS_i 1012.08 2.46 16.387 0.003 AB
PanSTARRS_z 1190.92 6.72 16.210 0.006 AB
PanSTARRS_y 1425.15 14.69 16.015 0.011 AB
2MASS_J 1424.25 258.54 15.121 0.197 Vega
2MASS_H 2557.52 417.71 14.013 0.177 Vega
2MASS_K 2286.39 390.38 13.664 0.185 Vega
WISE_W1 969.86 41.98 13.734 0.047 Vega
WISE_W2 603.58 33.58 13.609 0.060 Vega
WISE_W3 2320.25 118.66 10.312 0.056 Vega
WISE_W4 1913.72 657.74 9.075 0.373 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})\, 7.581 7.958 8.209
{\rm log}_{10}({\rm SFR}) -1.701 -1.193 -0.779
{\rm log}_{10}({\rm sSFR}) -9.799 -9.177 -8.362
{\rm stellar\ age} 0.667 4.405 6.715

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.633 -1.071 -0.301
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.555 -0.153 0.125

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.615 1.039 1.496
\delta -0.248 0.047 0.259
\tau_1/\tau_2 0.686 1.031 1.405
Q_{PAH} 0.728 2.316 4.915
U_{min} 2.949 7.946 15.356
{\rm log}_{10}(\gamma_e)\, -2.878 -1.812 -0.741

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.696 -0.679 0.021
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.443 1.820

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.580 -1.090 -0.685
0.03-0.10 Gyr -2.075 -1.372 -0.792
0.10-0.33 Gyr -2.297 -1.573 -1.015
0.33-1.08 Gyr -3.054 -1.863 -1.380
1.08-3.54 Gyr -3.996 -2.077 -1.631
3.54-11.61 Gyr -4.452 -2.303 -1.733
11.61-12.90 Gyr -4.432 -2.372 -1.630

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.290 10.358 10.451
{\rm log}_{10}({\rm SFR}) 0.147 0.462 0.794
{\rm log}_{10}({\rm sSFR}) -10.222 -9.894 -9.548
{\rm stellar\ age} 7.018 7.882 10.676

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.720 -0.455 -0.278
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.167 0.183 0.385

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.168 0.274 0.443
\delta -0.496 -0.125 0.163
\tau_1/\tau_2 0.661 1.079 1.472
Q_{PAH} 0.853 2.038 3.742
U_{min} 2.686 7.935 15.218
{\rm log}_{10}(\gamma_e)\, -2.694 -1.646 -0.881

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.127 -2.999 -2.038
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.599 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.986 -0.220 0.059
0.03-0.10 Gyr 0.231 0.600 0.951
0.10-0.33 Gyr -0.680 0.167 0.548
0.33-1.08 Gyr -1.610 -0.251 0.102
1.08-3.54 Gyr -1.254 -0.128 0.265
3.54-11.61 Gyr -0.057 0.473 0.606
11.61-12.90 Gyr 0.078 0.739 1.453