You are here: Variable classes

In this page you can see all the GCVS classifications. You can click the type and see a description of that below the table.

Information
Eruptive variables are stars varying in brightness because of violent processes and flares occurring in their chromospheres and coronae. The light changes are usually accompanied by shell events or mass outflow in the form of stellar winds of variable intensity and/or by interaction with the surrounding interstellar medium. This class includes the following types:

FU, GCAS, I, IA, IB, IN, INA, INB, INT, IT, IN(YY), IS, ISA, ISB, RCB,
RS, SDOR, UV, UVN, WR
Sub-class description

SDOR

Variables of the S Doradus type. These are eruptive, high-luminosity Bpec-Fpec stars showing irregular (sometimes cyclic) light changes with amplitudes in the range 1-7 mag in V. They belong to the brightest blue stars of their parent galaxies. As a rule, these stars are connected with diffuse nebulae and surrounded by expanding envelopes (P Cyg, Eta Car).


Copyright © English text:
© N.N. Samus [Moscow Inst. Astron.]
© O.V. Durlevich [Sternberg Astron. Inst., Moscow]
Finnish text Copyright © Mika Luostarinen
EruptivePulsatingRotatingCataclysmicEclipsingX-rayOther
FU
GCAS
I
IA
IB
IN
INA
INB
INT
INYY
IS
ISA
ISB
IT
RCB
RS
SDOR
UV
UVN
WR
ACYG
BCEP
BCEPS
CEP
CEPB
CW
CWA
CWB
DCep
DCEPS
DSCT
DSCTC
L
Lb
Lc
MIRA
PVTEL
RRab
RR(B)
RRC
RR LYRAE TYPE
RV
RVa
RVB
SR
SRa
SRb
SRc
SRd
SXPHE
ZZ
ZZA
ZZB
ACV
ACVO
BY
ELL
FKCOM
PSR
SXARI
Nova
SN
SNI
SNII
UG
UGSS
UGSU
UGZ
ZAnd
AR
D
DM
DS
DW
E
EA
EB
EW
GS
K
KE
KW
PN
RS
SD
WD
WR
X
XB
XF
XI
XJ
XND
XNG
XP
XPR
XPRM,XM
*
BLLAC
CST
GAL
L:
QSO
S