Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1657+078
Coordinates: 16:59:32.22 (h:m:s) +07:43:31.41 (°:':'')
254.8842 (°) +7.7254 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 3.93 ± 0.19
parallax () 0.645 ± 0.035

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 20, 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 14.862 0.003 mag
GAIA3.G 14.965 0.003 mag
GAIA3.RP 15.110 0.004 mag
GALEX.FUV 14.205 0.010 mag
GALEX.NUV 14.637 0.006 mag
APASS.B 14.893 0.037 mag
APASS.G 14.831 0.023 mag
GAIA2.BP 14.826 0.005 mag
APASS.V 14.921 0.067 mag
APASS.R 15.108 0.058 mag
GAIA2.G 14.969 0.001 mag
APASS.I 15.390 0.179 mag
GAIA2.RP 15.111 0.002 mag
2MASS.J 15.448 0.055 mag
2MASS.H 15.513 0.138 mag
2MASS.K 15.427 0.185 mag
WISE.W1 15.687 0.048 mag
WISE.W2 15.932 0.154 mag
WISE.W3 < 12.625 / mag
WISE.W4 < 9.035 / mag
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.083 ± 0.067 / 4.083 ± 0.067
M_G (mag) 3.93 ± 0.19 3.93 ± 0.19 /
parallax (mas) 0.645 ± 0.035 0.619 ± 0.055 0.666 ± 0.045
pmdec (mas) -18.331 ± 0.042 -18.391 ± 0.076 -18.301 ± 0.038
pmra (mas) -1.431 ± 0.047 -1.547 ± 0.083 -1.366 ± 0.046
Primary
Secondary
content_copy