Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ204613.40-045418.7
Coordinates: 20:46:13.40 (h:m:s) -04:54:18.73 (°:':'')
311.5558 (°) -4.9052 (°)
Classification: sdB+WD
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 3.13 ± 0.61
parallax () 0.245 ± 0.044

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 24, Reduced spectroscopic observations: 1, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Stilism Reddening Map (Lallement+2018)

Photometry content_copy

Band Value Error Unit
GAIA3.BP 16.065 0.004 mag
GAIA3.G 16.192 0.003 mag
GAIA3.RP 16.400 0.007 mag
GALEX.FUV 15.023 0.013 mag
GALEX.NUV 15.477 0.011 mag
SDSS.U 15.807 0.005 mag
APASS.B 16.019 0.083 mag
APASS.G 16.022 0.050 mag
SDSS.G 15.972 0.004 mag
GAIA2.BP 16.010 0.008 mag
APASS.V 16.281 0.062 mag
APASS.R 16.354 0.082 mag
SDSS.R 16.404 0.004 mag
GAIA2.G 16.219 0.001 mag
SDSS.I 16.705 0.005 mag
GAIA2.RP 16.409 0.008 mag
SDSS.Z 16.954 0.012 mag
2MASS.J 16.677 0.143 mag
2MASS.H 16.308 0.217 mag
2MASS.K < 15.726 / mag
WISE.W1 16.341 0.074 mag
WISE.W2 16.318 0.234 mag
WISE.W3 < 12.184 / mag
WISE.W4 < 8.507 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2453269.683 2004-09-21 SDSS spectrograph @ SDSS 2.5-M 1900 3300.0 NA 3814 - 9215
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.16 ± 0.23 / 3.16 ± 0.23
M_G (mag) 3.13 ± 0.61 3.13 ± 0.61 /
parallax (mas) 0.245 ± 0.044 0.242 ± 0.068 0.248 ± 0.056
pmdec (mas) -7.367 ± 0.047 -7.379 ± 0.082 -7.361 ± 0.045
pmra (mas) 1.347 ± 0.068 1.36 ± 0.12 1.342 ± 0.062
Primary
Secondary
content_copy