Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ164042.90+311734.6
Coordinates: 16:40:42.91 (h:m:s) +31:17:34.70 (°:':'')
250.1788 (°) +31.2930 (°)
Classification: He-sdOB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 5.41 ± 0.44
parallax () 0.427 ± 0.054

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 15, 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 17.152 0.008 mag
GAIA3.G 17.257 0.003 mag
GAIA3.RP 17.384 0.010 mag
SDSS.U 16.798 0.007 mag
SDSS.G 17.074 0.005 mag
GAIA2.BP 17.109 0.010 mag
SDSS.R 17.484 0.006 mag
GAIA2.G 17.284 0.002 mag
SDSS.I 17.692 0.007 mag
GAIA2.RP 17.387 0.009 mag
SDSS.Z 17.881 0.023 mag
WISE.W1 16.751 0.073 mag
WISE.W2 17.177 0.354 mag
WISE.W3 < 12.837 / mag
WISE.W4 < 9.286 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452785.600 2003-05-26 SDSS spectrograph @ SDSS 2.5-M 1900 3000.0 NA 3814 - 9181
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 5.43 ± 0.15 / 5.43 ± 0.15
M_G (mag) 5.41 ± 0.44 5.41 ± 0.44 /
parallax (mas) 0.427 ± 0.054 0.421 ± 0.086 0.432 ± 0.066
pmdec (mas) -6.461 ± 0.095 -6.35 ± 0.17 -6.513 ± 0.079
pmra (mas) -20.718 ± 0.07 -20.73 ± 0.13 -20.714 ± 0.06
Primary
Secondary
content_copy