Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: 2MASSJ04210658+2546557
Coordinates: 04:21:06.57 (h:m:s) +25:46:55.58 (°:':'')
65.2774 (°) +25.7821 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 5.58 ± 0.12
parallax () 1.091 ± 0.034

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 24, 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 15.471 0.004 mag
GAIA3.G 15.387 0.003 mag
GAIA3.RP 15.219 0.004 mag
GALEX.NUV 16.751 0.031 mag
SDSS.U 15.760 0.005 mag
APASS.B 15.578 0.107 mag
APASS.G 15.388 0.049 mag
SDSS.G 15.434 0.004 mag
GAIA2.BP 15.459 0.004 mag
APASS.V 15.373 0.048 mag
APASS.R 15.451 0.017 mag
SDSS.R 15.453 0.004 mag
GAIA2.G 15.405 0.001 mag
APASS.I 15.352 0.071 mag
SDSS.I 15.525 0.005 mag
GAIA2.RP 15.221 0.002 mag
SDSS.Z 15.652 0.006 mag
2MASS.J 15.180 0.039 mag
2MASS.H 15.113 0.072 mag
2MASS.K 15.166 0.100 mag
WISE.W1 15.223 0.042 mag
WISE.W2 15.445 0.164 mag
WISE.W3 < 12.125 / mag
WISE.W4 < 8.553 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2452962.926 2003-11-19 SDSS spectrograph @ SDSS 2.5-M 1900 1200.0 NA 3834 - 9198
2452972.839 2003-11-29 SDSS spectrograph @ SDSS 2.5-M 1900 2700.0 NA 3813 - 9202
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 5.589 ± 0.032 / 5.589 ± 0.032
M_G (mag) 5.58 ± 0.12 5.58 ± 0.12 /
parallax (mas) 1.091 ± 0.034 1.082 ± 0.059 1.097 ± 0.035
pmdec (mas) -15.53 ± 0.045 -15.405 ± 0.083 -15.579 ± 0.033
pmra (mas) -9.945 ± 0.069 -9.85 ± 0.13 -9.981 ± 0.047
Primary
Secondary
content_copy