Variable Star TT Ari


CROSS IDENTIFICATION: TT Ari

TT Ari = BD +14 0341 


GCVS result

ID: 070027
Variable star: TT Ari
RA 2000: 020653.1
DE 2000: +151742
RA 1950:
DE 1950:
Type of variability: NL
Max (mag): 10.2
Min (mag): 16.5
Photometric system: V
Epoch (JD):
Period (d):
Year of outburst for N, SN:
M-m (or D):
Spectrum: pec(e)
Study reference: N0137
Chart or phot. ref.: 72085
Cases of non-existence:


GCVS NOTE result

Porb = 0.13755d. Usually near maximum brightness, occasional deep fadings. Numerous photometric periods were reported. According to [N0138], the star experiences alternating """negative superhump"" (P = 0.13270 - 0.1398d) and ""positive" "superhump"" (P = 0.14840 - 0.14926d) intervals, with amplitudes" of several tenths of a magnitude. Quasiperiodic oscilations, flickering.

GCVS NOTES fulltext search:  


NSV: Suspected Variable NSV  not found.


BRKA: Variable star TT Ari not found.


MEKA: Variable star TT Ari not found.


DSS plate 15'x 15'

Image from the Digitized Sky Survey at the STScI Archive.

 

Please put the variable's designation into field in common style - for example: ZUMa, zuma, V477Cyg, v1182Cyg, NSV 255, nsv2544. Designation of bright variable stars like Beta Persei type in short style (three letters) - bet Per. The complete cross-identification among more then 30 catalogues will be done after submitting.
Spaces and cases are ingnored..


 
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