Related systems

New Ongoing Finished Rejected

GAIA catalog

SPEC catalog

Summary

Basic Data

Name: 2MASSJ07485208+4549037
Coordinates: 07:48:52.08 (h:m:s) +45:49:03.79 (°:':'')
117.2170 (°) +45.8177 (°)
Classification: sdB
Class. type: Photometric
Observing Status: New

Parameters

visibility
Parameter Value.
M_G (mag) 4.01 ± 0.41
parallax () 0.435 ± 0.043

Notes

Aliases

Tags

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visibility

Observations

Photometric observations: 22, Reduced spectroscopic observations: 4, Spectroscopic raw files: 0, Light curves: 0

Photometric observations

Stilism Reddening Map (Lallement+2018)

Photometry content_copy

Band Value Error Unit
GAIA3.BP 15.937 0.005 mag
GAIA3.G 16.046 0.003 mag
GAIA3.RP 16.274 0.005 mag
SDSS.U 15.701 0.005 mag
APASS.B 15.872 0.072 mag
APASS.G 15.859 0.094 mag
SDSS.G 15.827 0.004 mag
GAIA2.BP 15.889 0.009 mag
APASS.V 16.081 0.051 mag
APASS.R 16.293 0.107 mag
SDSS.R 16.252 0.004 mag
GAIA2.G 16.074 0.002 mag
SDSS.I 16.570 0.005 mag
GAIA2.RP 16.257 0.005 mag
SDSS.Z 16.870 0.012 mag
2MASS.J 16.749 0.145 mag
2MASS.H < 15.812 / mag
2MASS.K < 16.998 / mag
WISE.W1 17.117 0.115 mag
WISE.W2 < 17.394 / mag
WISE.W3 < 12.610 / mag
WISE.W4 < 9.055 / mag

Spectroscopic observations

Reduced spectra

HJD Date Instrument Resolution Exp time (s) SNR Range (Å)
2453055.694 2004-02-20 SDSS spectrograph @ SDSS 2.5-M 1900 3600.0 NA 3786 - 9175
2455178.500 2009-12-13 BOSS @ SDSS 2.5-M 1900 7203.0 NA 3559 - 10261
2455208.500 2010-01-12 BOSS @ SDSS 2.5-M 1900 6303.0 NA 3578 - 10354
2457384.274 2015-12-27 LRS @ LAMOST 1500 4500.0 NA 3700 - 9099
Parameter AVG Gaia DR2 Gaia DR3
System
absolute_g_mag (mag) 4.393 ± 0.099 / 4.393 ± 0.099
M_G (mag) 4.01 ± 0.41 4.01 ± 0.41 /
parallax (mas) 0.435 ± 0.043 0.386 ± 0.072 0.467 ± 0.046
pmdec (mas) -5.066 ± 0.049 -4.947 ± 0.089 -5.123 ± 0.043
pmra (mas) -4.081 ± 0.059 -4.17 ± 0.11 -4.041 ± 0.05
Primary
Secondary
content_copy