Related systems

New Ongoing Finished Rejected

SPEC catalog

Summary

Basic Data

Name: SDSSJ161804.93+204104.1
Coordinates: 16:18:04.93 (h:m:s) +20:41:04.26 (°:':'')
244.5205 (°) +20.6845 (°)
Classification: He-sdOB
Class. type: Spectroscopic
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 5.448 ± 0.05
parallax () 0.249 ± 0.068

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 17, 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 17.617 0.008 mag
GAIA3.G 17.579 0.003 mag
GAIA3.RP 17.502 0.010 mag
GALEX.FUV 16.562 0.046 mag
GALEX.NUV 16.851 0.020 mag
SDSS.U 17.403 0.010 mag
SDSS.G 17.565 0.005 mag
GAIA2.BP 17.575 0.007 mag
SDSS.R 17.723 0.006 mag
GAIA2.G 17.603 0.001 mag
SDSS.I 17.792 0.007 mag
GAIA2.RP 17.498 0.007 mag
SDSS.Z 17.860 0.019 mag
WISE.W1 16.888 0.129 mag
WISE.W2 16.678 0.374 mag
WISE.W3 < 12.859 / mag
WISE.W4 < 9.276 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2455357.500 2010-06-10 SDSS @ SDSS 2.5-M 1900 5405.0 NA 3577 - 10320
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.61 ± 0.49 / 3.61 ± 0.49
M_G (mag) 5.448 ± 0.05 5.448 ± 0.05 /
parallax (mas) 0.249 ± 0.068 0.37 ± 0.11 0.161 ± 0.079
pmdec (mas) -9.61 ± 0.7 -7.4 ± 1.4 -9.72 ± 0.072
pmra (mas) -6.05 ± 0.75 -7.1 ± 1.5 -5.999 ± 0.072
Primary
Secondary
content_copy