Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1554+408
Coordinates: 15:55:50.39 (h:m:s) +40:38:53.90 (°:':'')
238.9600 (°) +40.6483 (°)
Classification: He-sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 3.93 ± 0.34
parallax () 0.298 ± 0.036

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 16.125 0.005 mag
GAIA3.G 16.294 0.003 mag
GAIA3.RP 16.593 0.007 mag
GALEX.FUV 14.780 0.014 mag
GALEX.NUV 15.081 0.010 mag
SDSS.U 15.673 0.005 mag
SDSS.G 15.994 0.003 mag
GAIA2.BP 16.031 0.011 mag
SDSS.R 16.547 0.004 mag
GAIA2.G 16.304 0.002 mag
SDSS.I 16.894 0.005 mag
GAIA2.RP 16.591 0.005 mag
SDSS.Z 17.189 0.014 mag
2MASS.J 16.757 0.159 mag
2MASS.H < 16.378 / mag
2MASS.K < 15.978 / mag
WISE.W1 17.522 0.119 mag
WISE.W2 17.144 0.309 mag
WISE.W3 < 12.997 / mag
WISE.W4 < 9.646 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2456093.500 2012-06-15 BOSS @ SDSS 2.5-M 1900 2702.0 NA 3585 - 10335
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.4 ± 0.19 / 3.4 ± 0.19
M_G (mag) 3.93 ± 0.34 3.93 ± 0.34 /
parallax (mas) 0.298 ± 0.036 0.335 ± 0.053 0.264 ± 0.049
pmdec (mas) -2.272 ± 0.066 -2.36 ± 0.12 -2.229 ± 0.059
pmra (mas) -2.532 ± 0.051 -2.492 ± 0.09 -2.554 ± 0.05
Primary
Secondary
content_copy