Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1708+409
Coordinates: 17:09:59.19 (h:m:s) +40:54:50.04 (°:':'')
257.4966 (°) +40.9139 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.18 ± 0.13
parallax () 0.617 ± 0.024

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 20, 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 15.117 0.004 mag
GAIA3.G 15.135 0.003 mag
GAIA3.RP 15.130 0.005 mag
GALEX.FUV 14.328 0.010 mag
GALEX.NUV 14.582 0.005 mag
APASS.B 15.207 0.105 mag
APASS.G 15.150 0.156 mag
GAIA2.BP 15.090 0.006 mag
APASS.V 15.230 0.063 mag
APASS.R 15.310 0.021 mag
GAIA2.G 15.154 0.001 mag
APASS.I 15.607 0.070 mag
GAIA2.RP 15.127 0.003 mag
2MASS.J 14.967 0.039 mag
2MASS.H 14.688 0.060 mag
2MASS.K 14.678 0.091 mag
WISE.W1 14.651 0.028 mag
WISE.W2 14.686 0.045 mag
WISE.W3 < 12.280 / mag
WISE.W4 < 9.232 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2456393.345 2013-04-10 LRS @ LAMOST 1500 2400.0 NA 3700 - 9078
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.025 ± 0.051 / 4.025 ± 0.051
M_G (mag) 4.18 ± 0.13 4.18 ± 0.13 /
parallax (mas) 0.617 ± 0.024 0.639 ± 0.037 0.6 ± 0.031
pmdec (mas) -4.503 ± 0.046 -4.193 ± 0.081 -4.667 ± 0.043
pmra (mas) -13.756 ± 0.036 -13.872 ± 0.066 -13.701 ± 0.031
Primary
Secondary
content_copy