2025osb

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Information

Transient

Name: AT2025osb
Right ascension: 13h23m40.20s
Declination: 64d39m00.75s
Discovery Date: June 21, 2025, 5:07 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name: 2670262
Right ascension: 13h23m41.04s
Declination: 64d39m00.11s
Redshift: 0.036893
Photometric Redshift: 0.038
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 26.7
Transient MWEBV processed 0.05
Host match processed 4.45
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 4.83
Validate global photometry processed 14.09
Global host SED inference processed 457.94
Local aperture photometry processed 5.3
Validate local photometry processed 0.02
Local host SED inference processed 554.92
 

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) = 13h23m40.20s, 64d39m00.75s
semi major axis, semi minor axis (arcsec) = 2.73, 2.73
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 22.55 2.02 20.517 0.097 AB
SDSS_g 55.43 2.05 19.541 0.040 AB
PanSTARRS_g 58.34 0.79 19.485 0.015 AB
SDSS_r 84.15 2.61 19.087 0.034 AB
PanSTARRS_r 87.33 0.93 19.047 0.012 AB
SDSS_i 107.18 3.25 18.825 0.033 AB
PanSTARRS_i 103.56 0.98 18.862 0.010 AB
PanSTARRS_z 125.48 2.72 18.654 0.024 AB
SDSS_z 125.25 7.03 18.656 0.061 AB
PanSTARRS_y 124.22 5.67 18.665 0.050 AB

Aperture details

RA, DEC (J2000) = 13h23m40.89s, 64d39m00.29s
semi major axis, semi minor axis (arcsec) = 14.07, 7.19
angle (degrees, anti-clockwise from east) = -83.23

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 54.8 7.96 19.553 0.158 AB
GALEX_NUV 58.08 5.25 19.490 0.098 AB
SDSS_u 151.4 6.88 18.450 0.049 AB
SDSS_g 389.98 5.72 17.422 0.016 AB
PanSTARRS_g 423.71 2.89 17.332 0.007 AB
SDSS_r 609.94 7.55 16.937 0.013 AB
PanSTARRS_r 624.37 3.38 16.911 0.006 AB
SDSS_i 774.33 9.9 16.678 0.014 AB
PanSTARRS_i 740.5 3.62 16.726 0.005 AB
PanSTARRS_z 876.37 10.01 16.543 0.012 AB
SDSS_z 937.4 25.03 16.470 0.029 AB
PanSTARRS_y 864.2 20.75 16.558 0.026 AB
2MASS_J 976.38 236.04 15.531 0.262 Vega
2MASS_H 477.11 399.76 15.836 0.910 Vega
2MASS_K 1217.22 348.4 14.349 0.311 Vega
WISE_W1 484.19 13.95 14.488 0.031 Vega
WISE_W2 250.52 19.45 14.564 0.084 Vega
WISE_W3 603.81 81.37 11.774 0.146 Vega
WISE_W4 29.2 365.28 13.617 13.583 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})\, 8.551 8.703 8.825
{\rm log}_{10}({\rm SFR}) -1.929 -1.317 -0.713
{\rm log}_{10}({\rm sSFR}) -10.644 -10.028 -9.399
{\rm stellar\ age} 3.484 6.325 8.055

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.429 -0.874 -0.529
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.902 -1.641 -0.714

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.109 0.442 0.836
\delta -0.514 -0.086 0.218
\tau_1/\tau_2 0.754 1.120 1.480
Q_{PAH} 0.944 3.078 5.472
U_{min} 3.338 8.820 16.000
{\rm log}_{10}(\gamma_e)\, -2.912 -1.327 -0.403

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.890 -0.822 -0.186
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.650 2.032

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.432 -1.664 -1.179
0.03-0.10 Gyr -1.999 -1.253 -0.596
0.10-0.33 Gyr -1.758 -1.124 -0.560
0.33-1.09 Gyr -1.996 -1.237 -0.813
1.09-3.61 Gyr -2.014 -1.291 -1.014
3.61-11.94 Gyr -2.043 -1.295 -1.047
11.94-13.26 Gyr -2.209 -1.311 -0.719

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.529 9.605 9.700
{\rm log}_{10}({\rm SFR}) -0.918 -0.537 -0.244
{\rm log}_{10}({\rm sSFR}) -10.538 -10.154 -9.845
{\rm stellar\ age} 6.631 7.598 9.494

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.217 -0.951 -0.761
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.824 -1.134 0.162

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.069 0.135 0.234
\delta -0.306 0.098 0.314
\tau_1/\tau_2 0.604 0.937 1.292
Q_{PAH} 1.425 3.003 4.868
U_{min} 2.842 8.286 15.722
{\rm log}_{10}(\gamma_e)\, -2.761 -1.763 -0.776

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.125 -2.994 -1.967
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.540 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.992 -1.462 -0.961
0.03-0.10 Gyr -0.864 -0.401 -0.088
0.10-0.33 Gyr -0.939 -0.472 -0.175
0.33-1.09 Gyr -1.486 -0.695 -0.436
1.09-3.61 Gyr -1.178 -0.553 -0.271
3.61-11.94 Gyr -0.606 -0.284 -0.147
11.94-13.26 Gyr -0.724 -0.152 0.497