2025obt

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Information

Transient

Name: AT2025obt
Right ascension: 18h20m45.55s
Declination: 68d01m29.85s
Discovery Date: June 19, 2025, 5:47 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 18h20m45.98s
Declination: 68d01m29.90s
Redshift: 0.087519
Photometric Redshift: 0.083
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 27.69
Transient MWEBV processed 0.04
Host match processed 5.5
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 3.81
Validate global photometry processed 11.03
Global host SED inference processed 425.55
Local aperture photometry processed 4.09
Validate local photometry processed 0.02
Local host SED inference processed 460.04
 

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) = 18h20m45.55s, 68d01m29.85s
semi major axis, semi minor axis (arcsec) = 1.22, 1.22
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 80.76 0.44 19.132 0.006 AB
PanSTARRS_i 123.41 0.38 18.672 0.003 AB
PanSTARRS_z 149.47 0.97 18.464 0.007 AB
PanSTARRS_y 186.9 2.99 18.221 0.017 AB

Aperture details

RA, DEC (J2000) = 18h20m45.97s, 68d01m29.92s
semi major axis, semi minor axis (arcsec) = 10.75, 4.48
angle (degrees, anti-clockwise from east) = -88.45

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.38 3.23 21.168 0.283 AB
GALEX_NUV 11.8 2.72 21.220 0.251 AB
PanSTARRS_g 349.24 2.25 17.542 0.007 AB
PanSTARRS_r 736.57 2.34 16.732 0.003 AB
PanSTARRS_i 1117.12 2.04 16.280 0.002 AB
PanSTARRS_z 1400.98 5.34 16.034 0.004 AB
PanSTARRS_y 1684.95 16.79 15.834 0.011 AB
2MASS_J 2354.17 174.06 14.576 0.080 Vega
2MASS_H 3454.62 288.27 13.686 0.091 Vega
2MASS_K 2852.59 255.12 13.424 0.097 Vega
WISE_W1 1212.34 13.07 13.492 0.012 Vega
WISE_W2 757.73 16.91 13.362 0.024 Vega
WISE_W3 1047.32 23.92 11.176 0.025 Vega
WISE_W4 971.87 151.53 9.811 0.169 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})\, 9.688 9.840 9.985
{\rm log}_{10}({\rm SFR}) -0.867 -0.346 0.235
{\rm log}_{10}({\rm sSFR}) -10.744 -10.210 -9.584
{\rm stellar\ age} 4.987 7.033 9.309

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.218 -0.565 -0.105
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.358 -0.556 0.057

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.520 0.986 1.378
\delta -0.515 -0.192 0.120
\tau_1/\tau_2 0.647 1.014 1.395
Q_{PAH} 0.787 2.726 5.269
U_{min} 2.990 8.205 15.322
{\rm log}_{10}(\gamma_e)\, -3.106 -1.620 -0.547

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.818 -1.784 -0.487
{\rm log}_{10}(\tau_{AGN})\, 0.983 1.461 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.675 -0.265 0.180
0.03-0.10 Gyr -1.297 -0.441 0.293
0.10-0.33 Gyr -1.567 -0.560 0.077
0.33-1.07 Gyr -1.642 -0.503 0.042
1.07-3.48 Gyr -1.415 -0.341 0.036
3.48-11.35 Gyr -0.711 -0.103 0.130
11.35-12.61 Gyr -0.786 -0.008 0.756

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.780 10.829 10.911
{\rm log}_{10}({\rm SFR}) -0.822 -0.469 -0.125
{\rm log}_{10}({\rm sSFR}) -11.698 -11.307 -10.956
{\rm stellar\ age} 7.614 8.839 11.652

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.476 -0.311 -0.185
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.443 -0.112 0.342

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.232 0.339
\delta -0.616 -0.278 0.016
\tau_1/\tau_2 0.532 0.921 1.358
Q_{PAH} 0.595 1.900 4.328
U_{min} 2.522 7.696 15.063
{\rm log}_{10}(\gamma_e)\, -2.928 -1.741 -0.680

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.405 -3.372 -2.337
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.497 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.712 -0.375 -0.107
0.03-0.10 Gyr -1.721 -0.593 -0.066
0.10-0.33 Gyr -2.081 -0.730 -0.174
0.33-1.07 Gyr -2.258 -0.841 -0.226
1.07-3.48 Gyr -1.770 -0.443 0.296
3.48-11.35 Gyr -0.061 0.944 1.083
11.35-12.61 Gyr 0.829 1.492 2.034