Related systems

New Ongoing Finished Rejected

SPEC catalog

Summary

Basic Data

Name: SDSSJ202031.19+140849.7
Coordinates: 20:20:31.20 (h:m:s) +14:08:49.65 (°:':'')
305.1300 (°) +14.1471 (°)
Classification: sdB
Class. type: Spectroscopic
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.546 ± 0.05
parallax () 0.399 ± 0.048

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 16.463 0.004 mag
GAIA3.G 16.523 0.003 mag
GAIA3.RP 16.627 0.007 mag
GALEX.NUV 16.377 0.016 mag
SDSS.U 16.305 0.006 mag
SDSS.G 16.486 0.004 mag
GAIA2.BP 16.423 0.006 mag
SDSS.R 16.875 0.005 mag
GAIA2.G 16.551 0.001 mag
SDSS.I 17.203 0.005 mag
GAIA2.RP 16.629 0.005 mag
SDSS.Z 17.128 0.012 mag
WISE.W1 18.192 0.447 mag
WISE.W2 < 17.030 / mag
WISE.W3 11.770 0.193 mag
WISE.W4 8.595 0.304 mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2453557.534 2005-07-06 SDSS @ SDSS 2.5-M 1900 3300.0 NA 3815 - 9215
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.54 ± 0.14 / 4.54 ± 0.14
M_G (mag) 4.546 ± 0.05 4.546 ± 0.05 /
parallax (mas) 0.399 ± 0.048 0.397 ± 0.076 0.401 ± 0.058
pmdec (mas) -4.0 ± 1.5 -7.0 ± 3.0 -3.979 ± 0.054
pmra (mas) -4.2 ± 1.5 -2.5 ± 3.0 -4.239 ± 0.064
Primary
Secondary
content_copy