Related systems

New Ongoing Finished Rejected

SPEC catalog

Summary

Basic Data

Name: PG0821+306
Coordinates: 08:24:34.05 (h:m:s) +30:28:54.76 (°:':'')
126.1419 (°) +30.4819 (°)
Classification: sdO+MS
Class. type: Spectroscopic
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 2.796 ± 0.05
parallax (mas) 0.327 ± 0.049

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 22, Reduced spectroscopic observations: 2, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Photometry content_copy

Band Value Error Unit
GALEX.FUV 14.563 0.007 mag
GALEX.NUV 14.766 0.005 mag
SDSS.U 15.334 0.004 mag
APASS.B 15.391 0.051 mag
APASS.G 15.311 0.038 mag
SDSS.G 15.222 0.004 mag
GAIA2.BP 15.238 0.007 mag
APASS.V 15.306 0.076 mag
APASS.R 15.329 0.057 mag
SDSS.R 15.306 0.004 mag
GAIA2.G 15.222 0.001 mag
APASS.I 15.319 0.090 mag
SDSS.I 15.354 0.004 mag
GAIA2.RP 15.044 0.002 mag
SDSS.Z 15.425 0.006 mag
2MASS.J 14.760 0.040 mag
2MASS.H 14.557 0.062 mag
2MASS.K 14.519 0.064 mag
WISE.W1 14.526 0.033 mag
WISE.W2 14.541 0.065 mag
WISE.W3 < 12.370 / mag
WISE.W4 < 8.526 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452672.699 2003-02-02 SDSS @ SDSS 2.5-M 1900 2500.0 NA 3810 - 9215
2457019.296 2014-12-27 LRS @ LAMOST 1500 1800.0 NA 3700 - 8915

Parameter AVG Gaia DR2
System
M_G (mag) 2.796 ± 0.05 2.796 ± 0.05
parallax () 0.327 ± 0.049 0.327 ± 0.049
pmdec (mas) -5.7 ± 1.0 -5.7 ± 1.0
pmra (mas) -6.1 ± 0.9 -6.1 ± 0.9
Primary
Secondary
content_copy