Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ184434.74+412158.7
Coordinates: 18:44:34.74 (h:m:s) +41:21:58.76 (°:':'')
281.1448 (°) +41.3663 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.5 ± 0.6
parallax () 0.189 ± 0.047

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 11, 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 17.214 0.006 mag
GAIA3.G 17.310 0.003 mag
GAIA3.RP 17.524 0.016 mag
SDSS.U 16.989 0.008 mag
SDSS.G 17.096 0.005 mag
GAIA2.BP 17.161 0.011 mag
SDSS.R 17.502 0.006 mag
GAIA2.G 17.335 0.001 mag
SDSS.I 17.815 0.008 mag
GAIA2.RP 17.532 0.012 mag
SDSS.Z 18.087 0.021 mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2454395.789 2007-10-22 SDSS spectrograph @ SDSS 2.5-M 1900 5705.0 NA 3814 - 9192
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 2.8 ± 0.46 / 2.8 ± 0.46
M_G (mag) 4.5 ± 0.6 4.5 ± 0.6 /
parallax (mas) 0.189 ± 0.047 0.271 ± 0.075 0.126 ± 0.058
pmdec (mas) -7.954 ± 0.087 -8.08 ± 0.16 -7.896 ± 0.073
pmra (mas) -1.864 ± 0.081 -1.94 ± 0.15 -1.83 ± 0.07
Primary
Secondary
content_copy