Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ215631.56+121237.6
Coordinates: 21:56:31.56 (h:m:s) +12:12:37.64 (°:':'')
329.1315 (°) +12.2105 (°)
Classification: He-sdO
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
parallax () 0.19 ± 0.12

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 11, 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 17.121 0.010 mag
GAIA3.G 17.261 0.003 mag
GAIA3.RP 17.497 0.022 mag
SDSS.U 16.661 0.007 mag
SDSS.G 17.019 0.005 mag
GAIA2.BP 17.083 0.017 mag
SDSS.R 17.459 0.006 mag
GAIA2.G 17.288 0.003 mag
SDSS.I 17.796 0.008 mag
GAIA2.RP 17.497 0.010 mag
SDSS.Z 18.056 0.026 mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452207.699 2001-10-25 SDSS spectrograph @ SDSS 2.5-M 1900 3602.0 NA 3823 - 9196
2455831.500 2011-09-27 BOSS @ SDSS 2.5-M 1900 3603.0 NA 3594 - 10351
Parameter AVG Gaia DR2 Gaia DR3
System
parallax (mas) 0.19 ± 0.12 0.28 ± 0.22 0.15 ± 0.1
pmdec (mas) -9.32 ± 0.14 -9.19 ± 0.25 -9.38 ± 0.11
pmra (mas) -7.58 ± 0.14 -7.53 ± 0.27 -7.6 ± 0.1
Primary
Secondary
content_copy