本文整理自欧洲航空局ESA盖亚瓦里分类,仅用于个人保存学习。

Eclipsing Binary

Cepheid

RR Lyrae

Long Period Variable:

Delta Scuti type pulsators (DSCT)

Ellipsoidal Binary (ELL) 

Eclipsing Binary

Brightness variations - typical light curve:

Period: any
Colour: typically 0.3-2 with the absolute magnitude range from 2 to 7

Position at the HR diagram:

Cepheid

Brightness variations - typical light curve:

Period: any
Colour: typically 0.3-2 with the absolute magnitude range from 2 to 7

Position at the HR diagram:

RR Lyrae

Brightness variations - typical light curve:

Period: ~0.2-1 days (5-24 hours)
Colour: ~0.3-1 with the absolute magnitude range from -1 to 1.5

 

Position at the HR diagram:

Long Period Variable

Brightness variations - typical light curve:

Period: 10-1000 days
Colour: ~2.3-5 with the absolute magnitude range from -5 to 1

Position at the HR diagram:

Ellipsoidal Binary (ELL)

Brightness variations - typical light curve:

Period: any (光度变化很小,在0.1左右)
Colour: typically 0.5-4 with the absolute magnitude range from -1 to 10 (but they may also appear with other values)

Position at the HR diagram:

Delta Scuti type pulsators (DSCT)

Brightness variations - typical light curve:

Period: ~0.02-0.3 days (0.5-7 hours)
Colour: typically 0.3-1 with the absolute magnitude range from 1 to 3

 

Position at the HR diagram:

汇总:

 

Period of changes

 

ECL: any
CEP: ~1-200 days (typical: a few days)
RR: ~ 0.2-1 days (5-24 hours)
LPV: ~ 10-1000 days
DSCT: ~0.02-0.3 days (0.5-7 hours)
ELL: any

 

Colour