Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1657+291
Coordinates: 16:59:01.57 (h:m:s) +29:02:34.54 (°:':'')
254.7565 (°) +29.0429 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.52 ± 0.22
parallax () 0.42 ± 0.031

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 19, Reduced spectroscopic observations: 0, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Stilism Reddening Map (Lallement+2018)

Photometry content_copy

Band Value Error Unit
GAIA3.BP 15.960 0.003 mag
GAIA3.G 16.085 0.003 mag
GAIA3.RP 16.334 0.005 mag
GALEX.NUV 15.356 0.003 mag
SDSS.U 15.696 0.005 mag
SDSS.G 15.828 0.003 mag
GAIA2.BP 15.913 0.007 mag
SDSS.R 16.311 0.004 mag
GAIA2.G 16.109 0.001 mag
SDSS.I 16.624 0.005 mag
GAIA2.RP 16.328 0.005 mag
SDSS.Z 16.939 0.012 mag
2MASS.J 16.819 0.150 mag
2MASS.H < 16.353 / mag
2MASS.K < 17.035 / mag
WISE.W1 17.268 0.123 mag
WISE.W2 < 16.952 / mag
WISE.W3 < 12.442 / mag
WISE.W4 < 9.172 / mag
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.94 ± 0.1 / 3.94 ± 0.1
M_G (mag) 4.52 ± 0.22 4.52 ± 0.22 /
parallax (mas) 0.42 ± 0.031 0.481 ± 0.05 0.373 ± 0.039
pmdec (mas) 0.832 ± 0.047 0.797 ± 0.083 0.849 ± 0.042
pmra (mas) -3.686 ± 0.045 -3.732 ± 0.08 -3.662 ± 0.042
Primary
Secondary
content_copy