Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: LB1689
Coordinates: 03:45:09.55 (h:m:s) -47:38:53.71 (°:':'')
56.2898 (°) -47.6483 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 2.25 ± 0.13
parallax () 0.424 ± 0.017

Notes


visibility

Observations

Photometric observations: 20, Reduced spectroscopic observations: 0, Spectroscopic raw files: 0, Light curves: 2

Photometric observations

Photometry content_copy

Band Value Error Unit
GAIA3.BP 14.078 0.003 mag
GAIA3.G 14.156 0.003 mag
GAIA3.RP 14.301 0.004 mag
GALEX.FUV 14.347 0.009 mag
GALEX.NUV 14.335 0.006 mag
APASS.B 14.010 0.039 mag
APASS.G 13.995 0.032 mag
GAIA2.BP 14.058 0.006 mag
APASS.V 14.212 0.106 mag
APASS.R 14.392 0.042 mag
GAIA2.G 14.175 0.001 mag
APASS.I 14.569 0.036 mag
GAIA2.RP 14.302 0.002 mag
2MASS.J 14.506 0.028 mag
2MASS.H 14.638 0.051 mag
2MASS.K 14.794 0.117 mag
WISE.W1 14.607 0.026 mag
WISE.W2 14.621 0.038 mag
WISE.W3 < 13.093 / mag
WISE.W4 < 9.332 / mag

Light curves

Light curves

HJD Date Passband Exptime (s) Duration (h)
2458395.709 2018-10-04 TESS.RED 120.0 656.4
2458423.876 2018-11-01 TESS.RED 120.0 622.8

Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 2.353 ± 0.052 / 2.353 ± 0.052
M_G (mag) 2.25 ± 0.13 2.25 ± 0.13 /
parallax (mas) 0.424 ± 0.017 0.411 ± 0.025 0.436 ± 0.023
pmdec (mas) 1.824 ± 0.03 2.088 ± 0.053 1.689 ± 0.027
pmra (mas) 12.659 ± 0.028 12.747 ± 0.049 12.612 ± 0.026
Primary
Secondary
content_copy