Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1621+476
Coordinates: 16:22:56.66 (h:m:s) +47:30:51.12 (°:':'')
245.7361 (°) +47.5142 (°)
Classification: sdB+BD
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.59 ± 0.26
parallax () 0.514 ± 0.036

Notes


visibility

Observations

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

Photometric observations

Photometry content_copy

Band Value Error Unit
GAIA3.BP 16.088 0.010 mag
GAIA3.G 16.219 0.004 mag
GAIA3.RP 16.492 0.011 mag
SDSS.U 15.793 0.005 mag
APASS.B 16.072 0.139 mag
SDSS.G 15.958 0.004 mag
GAIA2.BP 16.049 0.014 mag
APASS.V 16.188 0.019 mag
SDSS.R 16.451 0.005 mag
GAIA2.G 16.245 0.004 mag
SDSS.I 16.803 0.005 mag
GAIA2.RP 16.485 0.014 mag
SDSS.Z 17.092 0.010 mag
2MASS.J 16.732 0.136 mag
2MASS.H < 17.002 / mag
2MASS.K < 15.600 / mag
WISE.W1 17.163 0.085 mag
WISE.W2 16.714 0.207 mag
WISE.W3 < 13.331 / mag
WISE.W4 < 9.605 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452377.919 2002-04-13 SDSS spectrograph @ SDSS 2.5-M 1900 5704.0 NA 3811 - 9209
2456449.500 2013-06-06 BOSS @ SDSS 2.5-M 1900 2703.0 NA 3574 - 10337

Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.926 ± 0.081 / 4.926 ± 0.081
M_G (mag) 4.59 ± 0.26 4.59 ± 0.26 /
parallax (mas) 0.514 ± 0.036 0.467 ± 0.056 0.551 ± 0.045
pmdec (mas) -2.386 ± 0.069 -2.22 ± 0.13 -2.453 ± 0.053
pmra (mas) -3.537 ± 0.058 -3.41 ± 0.11 -3.595 ± 0.047
Primary
Secondary
content_copy