Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1639+338
Coordinates: 16:41:22.33 (h:m:s) +33:44:52.11 (°:':'')
250.3430 (°) +33.7478 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 3.9 ± 0.2
parallax () 0.534 ± 0.028

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 24, 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 15.338 0.003 mag
GAIA3.G 15.477 0.003 mag
GAIA3.RP 15.752 0.005 mag
GALEX.FUV 14.317 0.012 mag
GALEX.NUV 14.544 0.009 mag
SDSS.U 15.055 0.005 mag
APASS.B 15.315 0.012 mag
APASS.G 15.378 0.008 mag
SDSS.G 15.200 0.004 mag
GAIA2.BP 15.281 0.007 mag
APASS.V 15.516 0.191 mag
APASS.R 15.862 0.017 mag
SDSS.R 15.705 0.004 mag
GAIA2.G 15.492 0.001 mag
SDSS.I 16.057 0.005 mag
GAIA2.RP 15.746 0.002 mag
SDSS.Z 16.368 0.009 mag
2MASS.J 16.170 0.101 mag
2MASS.H < 16.388 / mag
2MASS.K < 15.433 / mag
WISE.W1 16.423 0.056 mag
WISE.W2 16.878 0.252 mag
WISE.W3 < 12.824 / mag
WISE.W4 < 8.824 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452767.898 2003-05-08 SDSS spectrograph @ SDSS 2.5-M 1900 6000.0 NA 3802 - 9204
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.275 ± 0.058 / 4.275 ± 0.058
M_G (mag) 3.9 ± 0.2 3.9 ± 0.2 /
parallax (mas) 0.534 ± 0.028 0.479 ± 0.044 0.575 ± 0.033
pmdec (mas) -17.412 ± 0.056 -17.52 ± 0.1 -17.369 ± 0.04
pmra (mas) -0.233 ± 0.04 -0.23 ± 0.073 -0.235 ± 0.032
Primary
Secondary
content_copy