Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: HZ20
Coordinates: 12:12:38.58 (h:m:s) +42:40:01.84 (°:':'')
183.1608 (°) +42.6672 (°)
Classification: sdB+K
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 3.95 ± 0.15
parallax () 0.607 ± 0.025

Notes

Aliases

Tags

Loading...

visibility

Observations

Photometric observations: 25, Reduced spectroscopic observations: 2, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Stilism Reddening Map (Lallement+2018)

Photometry content_copy

Band Value Error Unit
GAIA3.BP 14.971 0.003 mag
GAIA3.G 14.894 0.003 mag
GAIA3.RP 14.716 0.004 mag
GALEX.FUV 14.579 0.016 mag
GALEX.NUV 14.709 0.010 mag
SDSS.U 15.047 0.004 mag
APASS.B 14.872 0.017 mag
APASS.G 14.789 0.050 mag
SDSS.G 14.926 0.003 mag
GAIA2.BP 14.951 0.005 mag
APASS.V 14.960 0.051 mag
APASS.R 14.965 0.074 mag
SDSS.R 14.993 0.004 mag
GAIA2.G 14.911 0.001 mag
APASS.I 14.986 0.050 mag
SDSS.I 15.027 0.004 mag
GAIA2.RP 14.722 0.002 mag
SDSS.Z 15.085 0.005 mag
2MASS.J 14.476 0.034 mag
2MASS.H 14.206 0.048 mag
2MASS.K 14.168 0.058 mag
WISE.W1 14.206 0.027 mag
WISE.W2 14.212 0.042 mag
WISE.W3 < 12.517 / mag
WISE.W4 < 8.672 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2453120.727 2004-04-25 SDSS spectrograph @ SDSS 2.5-M 1900 2160.0 NA 3793 - 9202
2456414.066 2013-05-01 LRS @ LAMOST 1500 5400.0 NA 3700 - 9099
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.738 ± 0.042 / 3.738 ± 0.042
M_G (mag) 3.95 ± 0.15 3.95 ± 0.15 /
parallax (mas) 0.607 ± 0.025 0.641 ± 0.043 0.587 ± 0.025
pmdec (mas) 0.585 ± 0.024 0.491 ± 0.043 0.635 ± 0.023
pmra (mas) -1.259 ± 0.021 -1.21 ± 0.038 -1.283 ± 0.019
Primary
Secondary
content_copy