Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: SDSSJ164157.55+205724.4
Coordinates: 16:41:57.55 (h:m:s) +20:57:24.50 (°:':'')
250.4898 (°) +20.9568 (°)
Classification: sdB+MS
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.84 ± 0.66
parallax () 0.36 ± 0.06

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 17, 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 17.237 0.006 mag
GAIA3.G 17.298 0.003 mag
GAIA3.RP 17.397 0.008 mag
GALEX.FUV 16.264 0.028 mag
GALEX.NUV 16.650 0.022 mag
SDSS.U 17.019 0.008 mag
SDSS.G 17.122 0.005 mag
GAIA2.BP 17.161 0.015 mag
SDSS.R 17.513 0.006 mag
GAIA2.G 17.321 0.001 mag
SDSS.I 17.717 0.007 mag
GAIA2.RP 17.392 0.008 mag
SDSS.Z 17.879 0.019 mag
WISE.W1 16.794 0.087 mag
WISE.W2 17.065 0.355 mag
WISE.W3 < 12.418 / mag
WISE.W4 < 8.980 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2453168.567 2004-06-12 SDSS spectrograph @ SDSS 2.5-M 1900 2880.0 NA 3802 - 9215
2455447.500 2010-09-08 BOSS @ SDSS 2.5-M 1900 5405.0 NA 3590 - 10387
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 5.25 ± 0.18 / 5.25 ± 0.18
M_G (mag) 4.84 ± 0.66 4.84 ± 0.66 /
parallax (mas) 0.36 ± 0.06 0.32 ± 0.096 0.39 ± 0.072
pmdec (mas) -6.4 ± 0.079 -6.57 ± 0.15 -6.334 ± 0.058
pmra (mas) -2.467 ± 0.067 -2.3 ± 0.12 -2.546 ± 0.056
Primary
Secondary
content_copy