Related systems

New Ongoing Finished Rejected

SPEC catalog

Summary

Basic Data

Name: SDSSJ221825.87+393823.5
Coordinates: 22:18:25.88 (h:m:s) +39:38:23.50 (°:':'')
334.6078 (°) +39.6399 (°)
Classification: sdB
Class. type: Spectroscopic
Observing Status: New

Parameters

visibility
Parameter Value.
parallax () 0.055 ± 0.027

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 25, 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 15.543 0.004 mag
GAIA3.G 15.550 0.003 mag
GAIA3.RP 15.579 0.005 mag
GALEX.FUV 16.463 0.400 mag
GALEX.NUV 16.332 0.200 mag
SDSS.U 15.892 0.005 mag
APASS.B 15.508 0.096 mag
APASS.G 15.445 0.026 mag
SDSS.G 15.391 0.003 mag
GAIA2.BP 15.527 0.004 mag
APASS.V 15.547 0.044 mag
APASS.R 15.592 0.159 mag
SDSS.R 15.670 0.004 mag
GAIA2.G 15.572 0.001 mag
APASS.I 15.865 0.084 mag
SDSS.I 15.864 0.004 mag
GAIA2.RP 15.574 0.003 mag
SDSS.Z 16.055 0.007 mag
2MASS.J 15.657 0.064 mag
2MASS.H 15.697 0.157 mag
2MASS.K < 15.812 / mag
WISE.W1 15.701 0.040 mag
WISE.W2 15.531 0.083 mag
WISE.W3 < 12.944 / mag
WISE.W4 < 8.841 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2454334.826 2007-08-22 SDSS @ SDSS 2.5-M 1900 1510.0 NA 3803 - 9204
2454397.732 2007-10-24 SDSS @ SDSS 2.5-M 1900 5404.0 NA 3807 - 9209
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) -0.91 ± 0.58 / -0.91 ± 0.58
parallax (mas) 0.055 ± 0.027 0.062 ± 0.044 0.051 ± 0.03
pmdec (mas) -1.62 ± 0.75 -3.9 ± 1.5 -1.587 ± 0.025
pmra (mas) -0.3 ± 1.0 -2.2 ± 2.0 -0.247 ± 0.021
Primary
Secondary
content_copy