Dictionary of Nomenclature of Celestial Objects
(Last update: 17-Mar-2023)

Result of query: info cati NOMAD1$

Details on Acronym:   NOMAD1
  
NOMAD1 (Naval Observatory Merged Astrometric Dataset, version 1)
 Write:<<NOMAD1  NNNN-NNNNNNN>>
 N:  about 10000000
Object:*  (SIMBAD class: Star)
  Note:Astrometric and photometric data for over 1 billion stars from    the Hipparcos (HIP), Tycho-2 (TYC), UCAC2    and USNO-B1-0 catalogues.
   Ref:=2006PASP..118..405O
     byOASTER L.
, SMITH H.A., KINEMUCHI K.
 Publ. Astron. Soc. Pac., 118, 405-409 (2006)

    A double-mode RR Lyrae star with a strong fundamental-mode component.

oText: <NOMAD1 NNNN-NNNNNNN> N=2.
=E=Catalogue in electronic form as I/297
 Originof the Acronym: A = Assigned by the author(s)