Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ174408.22+251657.5
Coordinates: 17:44:08.22 (h:m:s) +25:16:57.61 (°:':'')
266.0343 (°) +25.2827 (°)
Classification: He-sdOB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.56 ± 0.29
parallax () 0.352 ± 0.035

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 16, 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 16.366 0.005 mag
GAIA3.G 16.497 0.003 mag
GAIA3.RP 16.762 0.007 mag
GALEX.NUV 15.561 0.009 mag
SDSS.U 15.961 0.005 mag
APASS.B 16.321 0.022 mag
APASS.G 16.308 0.008 mag
SDSS.G 16.252 0.004 mag
GAIA2.BP 16.276 0.007 mag
APASS.V 16.380 0.198 mag
APASS.R 16.812 0.118 mag
SDSS.R 16.720 0.004 mag
GAIA2.G 16.523 0.001 mag
SDSS.I 17.086 0.006 mag
GAIA2.RP 16.744 0.007 mag
SDSS.Z 17.397 0.014 mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2457165.271 2015-05-22 LRS @ LAMOST 1500 5400.0 NA 3700 - 9099
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.95 ± 0.15 / 3.95 ± 0.15
M_G (mag) 4.56 ± 0.29 4.56 ± 0.29 /
parallax (mas) 0.352 ± 0.035 0.404 ± 0.054 0.309 ± 0.045
pmdec (mas) -5.685 ± 0.053 -5.825 ± 0.095 -5.616 ± 0.047
pmra (mas) -1.64 ± 0.043 -1.71 ± 0.075 -1.602 ± 0.041
Primary
Secondary
content_copy