Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ083842.70+053309.4
Coordinates: 08:38:42.71 (h:m:s) +05:33:09.49 (°:':'')
129.6779 (°) +5.5526 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.46 ± 0.35
parallax () 0.514 ± 0.046

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 20, Reduced spectroscopic observations: 2, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Stilism Reddening Map (Lallement+2018)

Photometry content_copy

Band Value Error Unit
GAIA3.BP 15.889 0.003 mag
GAIA3.G 16.020 0.003 mag
GAIA3.RP 16.291 0.005 mag
SDSS.U 15.556 0.005 mag
APASS.B 15.883 0.056 mag
APASS.G 15.877 0.014 mag
SDSS.G 15.766 0.004 mag
GAIA2.BP 15.830 0.005 mag
APASS.V 15.984 0.064 mag
APASS.R 16.296 0.027 mag
SDSS.R 16.241 0.004 mag
GAIA2.G 16.049 0.001 mag
APASS.I 16.335 0.050 mag
SDSS.I 16.588 0.006 mag
GAIA2.RP 16.290 0.005 mag
SDSS.Z 16.905 0.012 mag
WISE.W1 16.936 0.112 mag
WISE.W2 < 16.821 / mag
WISE.W3 < 12.120 / mag
WISE.W4 < 8.359 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452708.744 2003-03-10 SDSS spectrograph @ SDSS 2.5-M 1900 2400.0 NA 3799 - 9188
2457093.092 2015-03-11 LRS @ LAMOST 1500 4500.0 NA 3700 - 9099
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.667 ± 0.093 / 4.667 ± 0.093
M_G (mag) 4.46 ± 0.35 4.46 ± 0.35 /
parallax (mas) 0.514 ± 0.046 0.48 ± 0.077 0.536 ± 0.05
pmdec (mas) -0.921 ± 0.052 -0.911 ± 0.096 -0.925 ± 0.042
pmra (mas) -3.93 ± 0.073 -3.9 ± 0.14 -3.942 ± 0.055
Primary
Secondary
content_copy