Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

Result of query: info cati MY HHMMSS.s+DDMMSS.s$

.

Details on Acronym:   MGC
  
MGC    (Miyun General Catalogue)
  ***** Avoid the usage of MGC,  prefer MY
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   Miyun
  
Miyun  (Miyun radio telescope)
  ***** Avoid the usage of Miyun,  prefer MY
 Originof the Acronym: L (2001A&A...370..468T)

Details on Acronym:   My
  
My     (Mayall) (Not yet in Simbad)
  ***** Avoid the usage of My,  prefer [M51]

Details on Acronym:   MY
  
MY     (Miyun radio telescope)= (MGC) = (Miyun) 
 Write:<<MY  HHMMSS.s+DDMMSS.s>>  

        <<MY  HHMM+DDdA>>

<<MY  HHMM+DDdA>>	(not recognised by Simbad, but found in literature)
 N:  34426
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
  Note:Miyun general catalogue of radio-sources.
    Both the formats 'HHMM+DDdA' and 'HHMMSS.s+DDMMSS.s' can be    found in the literature.
   Ref:=1993A&AS...99..545Z
     byZHANG X.
, ZHEN Y., CHEN H., WANG S.
 Astron. Astrophys., Suppl. Ser., 99, 545-575 (1993)

    The Miyun 232 MHz survey. I. Fields centred at RA: 00h41m, Dec: 41°12' and RA: 07h00m, Dec: 35°00'.

oin ref list: Collas 1970A&AS.1.281, Douglas 1973AJ.78.1 instead    1973AJ.78.1406, Gower 1967 MmRAS..71.49 instead MNRAS, Pilkington 1965    MmRAS.69.183 instead MNRAS
oTables 4 et 5: <MY HHMMSS.s+DDMMSS.s> N=684
   Ref:=1997A&AS..121...59Z
     byZHANG X.
, ZHENG Y., CHEN H., WANG S., CAO A., PENG B., NAN R.
 Astron. Astrophys., Suppl. Ser., 121, 59-63 (1997)

    The Miyun 232 MHz survey. II. The main list.

oIn this catalogue, authors used the format HHMM+DDdA, but in SIMBAD,    the format HHMMSS.s+DDMMSS.s has been in use since the first parution    of MY objects in 1993A&AS...99..545Z.
oCatalogue: <MY HHMMSS.s+DDMMSS.s> N=34426.
=E=Catalogue in electronic form as J/A+AS/99/545
=E=Catalogue in electronic form as VIII/44
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   My
  
My     (Mayall)
 Write:<<PN My  NN>>
 N:  6
Object:PN  (SIMBAD class: PlanetaryNeb = Planetary Nebula)
  Stat:is completely incorporated in Simbad
  Note:Only one PN: My 60 = PN G283.8+02.2 in 1992, Acker+ catalog
   Ref:=1951BHarO.920...32M
     byMAYALL M.W.

 Harvard Bull., 920, 32-37 (1951)

    New peculiar spectra.

oTable I: <[M51] NNN> (Nos 1-139) = <PN My NN> for (Nos 45, 47, 48, 56,    59, 60).