Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ203017.81+131849.2
Coordinates: 20:30:17.82 (h:m:s) +13:18:49.20 (°:':'')
307.5742 (°) +13.3137 (°)
Classification: sdOB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 5.08 ± 0.52
parallax () 0.401 ± 0.068

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 16.709 0.006 mag
GAIA3.G 16.824 0.003 mag
GAIA3.RP 17.070 0.007 mag
SDSS.U 16.349 0.006 mag
SDSS.G 16.560 0.004 mag
GAIA2.BP 16.646 0.014 mag
SDSS.R 17.026 0.005 mag
GAIA2.G 16.851 0.001 mag
SDSS.I 17.354 0.006 mag
GAIA2.RP 17.085 0.005 mag
SDSS.Z 17.650 0.015 mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2453557.534 2005-07-06 SDSS spectrograph @ SDSS 2.5-M 1900 3300.0 NA 3804 - 9207
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.65 ± 0.24 / 4.65 ± 0.24
M_G (mag) 5.08 ± 0.52 5.08 ± 0.52 /
parallax (mas) 0.401 ± 0.068 0.44 ± 0.11 0.368 ± 0.088
pmdec (mas) 0.117 ± 0.065 -0.1 ± 0.11 0.241 ± 0.064
pmra (mas) 4.117 ± 0.086 4.07 ± 0.15 4.147 ± 0.087
Primary
Secondary
content_copy