Variable Star DIHer


CROSS IDENTIFICATION: DI Her

DI Her = AN 1930.0307 = BD +24 3568 = HD 175227 = SAO 086544 


GCVS result

ID: 400132
Variable star: DI Her
RA 2000: 185326.2
DE 2000: +241641
RA 1950:
DE 1950:
Type of variability: EA/DM
Max (mag): 8.39
Min (mag): 9.11
Photometric system: V
Epoch (JD): 42233.3476
Period (d): 10.5501680
Year of outburst for N, SN:
M-m (or D): 04 *
Spectrum: B5V+B4V
Study reference: 09272
Chart or phot. ref.: 08953
Cases of non-existence:


GCVS NOTE result

Min II 8.95, DII = 0.03P, Min II - Min I = 0.77P (1966 - "1978). Apsidal motion: P = 29000yr +- 4000yr Min II = 2442241.4602 + 10.5501751d*E. A considerable discrepancy between the observed and the theoretical rate of apsidal motion.

GCVS NOTES fulltext search:  


NSV: Suspected Variable NSV  not found.


BRKA result

Variable star: DI Her
Brightness type: C9
Points: 7
RA 2000: 185326.2
DE 2000: +241640
Max (mag): 8.39
Min (mag): 9.11
Sec (mag):
Photometric system: V
Epoch (JD): 51707.391
Period (d): 10.5501680
D (hour): 10
d (hour): 0
Astrophysical note:
Reference: IBVS 4967,IBVS 3293
Finding chart:

MEKA: Variable star DI Her not found.


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..


 
Search for variable star:
Search in: All catalogues / databases
 
 
 Search for data on the NET
(AFOEV, B.R.N.O., MEDUZA, VSOLJ, VSNET, HPHK, AICU-Ondrejov)
 Open European Journal on Variable stars

 
 GCVS (2011)  43.675 records
 NSV (1997) 14.811 records
 BRKA (2001)  1.432 records
 MEKA (2001)  147 records
 CzeV, SvkV and RafV catalogues (new variables)
 
 BCVS (1994)  529.953 records
 
 Show DSS plate 15'x 15' (use coords: )
(Selected catalogue has to be checked above.)