Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: PG1555+504
Coordinates: 15:56:42.95 (h:m:s) +50:15:37.47 (°:':'')
239.1789 (°) +50.2604 (°)
Classification: He-sdO
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 2.55 ± 0.68
parallax () 0.28 ± 0.037

Notes


visibility

Observations

Photometric observations: 21, Reduced spectroscopic observations: 3, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Photometry content_copy

Band Value Error Unit
GAIA3.BP 15.934 0.005 mag
GAIA3.G 16.105 0.003 mag
GAIA3.RP 16.446 0.006 mag
GALEX.FUV 14.319 0.011 mag
GALEX.NUV 14.696 0.009 mag
SDSS.U 15.378 0.004 mag
APASS.B 15.880 0.057 mag
APASS.G 15.967 0.050 mag
SDSS.G 15.811 0.003 mag
GAIA2.BP 15.848 0.012 mag
APASS.V 16.178 0.083 mag
APASS.R 16.402 0.050 mag
SDSS.R 16.378 0.004 mag
GAIA2.G 16.128 0.002 mag
SDSS.I 16.735 0.005 mag
GAIA2.RP 16.440 0.005 mag
SDSS.Z 17.074 0.011 mag
WISE.W1 17.200 0.068 mag
WISE.W2 < 17.553 / mag
WISE.W3 < 13.541 / mag
WISE.W4 < 9.767 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452081.752 2001-06-21 SDSS spectrograph @ SDSS 2.5-M 1900 1801.0 NA 3824 - 9190
2452375.949 2002-04-11 SDSS spectrograph @ SDSS 2.5-M 1900 2701.0 NA 3827 - 9185
2456428.500 2013-05-16 BOSS @ SDSS 2.5-M 1900 2703.0 NA 3613 - 10359

Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 3.77 ± 0.12 / 3.77 ± 0.12
M_G (mag) 2.55 ± 0.68 2.55 ± 0.68 /
parallax (mas) 0.28 ± 0.037 0.192 ± 0.06 0.342 ± 0.042
pmdec (mas) 3.768 ± 0.067 3.86 ± 0.12 3.731 ± 0.051
pmra (mas) -8.381 ± 0.056 -8.41 ± 0.1 -8.367 ± 0.047
Primary
Secondary
content_copy