ACV | Alpha2 Canum Venaticorum type |
|---|
ACVO | rapidly oscillating Alpha2 Canum Venaticorum type |
ACYG | Alpha Cygni type |
AM | AM Herculis type |
AR | AR Lacertae type |
BCEP | Beta Cephei type |
BCEPS | Beta Cephei type of short period |
BE | variable Be star not of GCAS type |
BLBOO | anomalous Cepheid |
BY | BY Draconis type |
CEP | Cepheid type |
CEP(B) | beat Cepheid |
CST | constant, although previously suspected of variability |
CW | W Virginis type |
CWA | W Virginis type with period longer than 8 days |
CWB | W Virginis type with period shorter than 8 days |
D | detached binary |
DCEP | classical Cepheid |
DCEPS | classical Cepheid with near‐symmetrical light curve |
DSCT | Delta Scuti type |
DSCTC | Delta Scuti type of low amplitude |
DM | detached binary with two main‐sequence stars |
DS | detached binary with a subgiant |
DW | detached binary similar to W Ursae Majoris type but not in contact |
ELL | ellipsoidal type |
E | eclipsing binary |
EA | eclipsing binary of Algol type |
EB | eclipsing binary of Beta Lyrae type |
EP | star eclipsed by its own planet |
EW | eclipsing binary of W Ursae Majoris type |
FKCOM | FK Comae Berenices type |
FU | FU Orionis type |
GCAS | Gamma Cassiopeiae type |
GS | eclipsing binary with a giant or supergiant |
I | irregular variable with uncertain features |
IA | irregular variable of early (O–A) spectral type |
IB | irregular variable of F–M spectral type |
IN | Orion variable, also known as a nebular variable |
INA | Orion variable of early spectral type (B–A) |
INB | Orion variable of F–M spectral type |
INT | Orion variable of T Tauri type |
IN(YY) | Orion variable of YY Orionis type |
IS | irregular variable of short period |
ISA | irregular variable of short period and early spectral type (B–A) |
ISB | irregular variable of short period and F–M spectral type |
IT | Orion variable of T Tauri type but without nebulosity |
K | contact binary |
KE | contact binary of early spectral type (O–A) |
KW | contact binary of W Ursae Majoris type |
L | irregular variable of long period |
LB | irregular variable of long period and late spectral type (K, M, C, S) |
LC | irregular variable supergiant |
LPB(LBV) | long‐period pulsating B star |
M | Mira type |
N | nova |
NA | fast nova |
NB | slow nova |
NC | very slow nova; RR Telescopii type |
NL | nova‐like variable |
NR | recurrent nova |
PN | eclipsing binary with one component the nucleus of a planetary nebula |
PSR | optically variable pulsar |
PVTEL | PV Telescopii type |
R | RR Lyrae type |
RCB | R Coronae Borealis type |
RR | RR Lyrae type |
RR(B) | RR Lyrae type with two pulsation modes, i.e. beats |
RRAB | RR Lyrae type with asymmetric light curve |
RRC | RR Lyrae type with near‐symmetric or symmetric light curve |
RS | RS Canum Venaticorum type |
RV | RV Tauri type |
RVA | RV Tauri type with no variation in mean magnitude |
RVB | RV Tauri type with periodic variation in mean magnitude |
SD | semidetached binary |
SDOR | S Doradus type |
SN | supernova |
SNI | supernova Type I |
SNII | supernova Type II |
SR | semiregular variable |
SRA | semiregular giant with persistent periodicity |
SRB | semiregular giant with occasional periodicity |
SRC | semiregular supergiant with moderate periodicity |
SRD | semiregular giant or supergiant with F–K spectral type |
SRS | semiregular red giant of short period |
SXARI | SX Arietis type |
SXPHE | SX Phoenicis type |
UG | U Geminorum type |
UGSS | SS Cygni type |
UGSU | SU Ursae Majoris type |
UGZ | Z Camelopardalis type |
UV | UV Ceti type |
UVN | Orion variables of Ke‐Me spectral type with flares |
WD | eclipsing binary with white dwarf components |
WR | Wolf–Rayet type |
X | X‐ray binary |
XB | X‐ray burster |
XF | X‐ray binary with rapid fluctuations |
XI | X‐ray binary with irregular variations |
XJ | X‐ray binary with jets |
XND | X‐ray transient with a dwarf or subgiant of G–M spectral type |
XNG | X‐ray transient with an early‐type supergiant or giant |
XP | X‐ray pulsar |
XPR | X‐ray pulsar with reflection effect |
XPRM, XM | X‐ray binary with a late‐type dwarf and a pulsar with strong magnetic field |
ZAND | Z Andromedae type |
ZZ | ZZ Ceti type |
ZZA | ZZ Ceti type with DA spectrum |
ZZB | ZZ Ceti type with DB spectrum |
ZZO | ZZ Ceti type with DO spectrum |
