Dictionary of Nomenclature of Celestial Objects
(Last update: 20-Sep-2018)

Result of query: info cati AT$

Details on Acronym:   AT
   AT (Ariel Transient) Write:<<AT HHMM+DDd>> N: 27 Object:(X)  (SIMBAD class: X = X-ray source) Ref:=1983MNRAS.205..875P byPYE J.P. , McHARDY I.M. Mon. Not. R. Astron. Soc., 205, 875-888 (1983) The Ariel V sky survey of fast-transient X-ray sources. o<AT HHMM+DDd> N=27
Details on Acronym:   AT
   AT (Astronomical Transient) Write:<<NAME AT YYYYA>>
<<NAME AT YYYYaa>>
<<NAME AT YYYYaaa>> Object:Transient  (SIMBAD class: Transient = transient event) Note:As of January 1, 2016, the Transient Name Server (TNS) is the official IAU mechanism for reporting new astronomical transients (ATs) such as supernova candidates. Once spectroscopically confirmed, new supernova discoveries are officially designated a SN name (of the form SN 2016A and so on, as before). This is a continuation of the IAU naming scheme for supernovae which was handled by the Central Bureau for Astronomical Telegrams until the end of 2015, and has been approved as the official IAU naming scheme by the IAU Executive Committee from 1st January 2016.
For more information visit the Transient Name Server (TNS) at https://wis-tns.weizmann.ac.il/
See also SN.
Details on Acronym:   AT
   AT (ATCA) ***** Avoid the usage of AT, prefer [SRE2006] Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   Cl* IC 4651 AT
   Cl* IC 4651 AT (Anthony-Twarog+) ====>Equivalent to: Cl* IC 4651 AMC
Details on Acronym:   Cl* IC 4651 AT
   Cl* IC 4651 AT (Anthony-Twarog+Twarog) Write:<<Cl* IC 4651 AT 1-NNN>>
<<Cl* IC 4651 AT 2-NN>> N: 115+35 Object:*inCl Rem:Stars in two fields 1 and 2. Ref:=1987AJ.....94.1222A byANTHONY-TWAROG B.J. , TWAROG B.A. Astron. J., 94, 1222-1236 (1987) uvby-H-β photoelectric and CCD photometry of IC 4651. oTable V: <Cl* IC 4651 AT 1-NNN> (Nos 1-1 to 1-115), <Cl* IC 4651 AT 2-NN> (Nos 2-1 to 2-35)
Details on Acronym:   Cl* NGC 1866 AT
   Cl* NGC 1866 AT (Arp+Thackeray) Write:<<Cl* NGC 1866 AT A>>
<<Cl* NGC 1866 AT a>>
<<Cl* NGC 1866 AT R-N-NN>> N: 13+98+77+7 Object:*inCl Rem:In the format 'R-N-NN', R stands for quadrants I to IV,
N stands for inner (1) and outer (2) ring.

This format can also be written 'RNNN' with 4 digits. Ref:=1967ApJ...149...73A byARP H. , THACKERAY A.D. Astrophys. J., 149, 73-89 (1967) The star cluster NGC 1866 and its Cepheids. oTable 1: <Cl* NGC 1866 AT A> (Nos A-M), Table 2a: <Cl* NGC 1866 AT R-1-NN> N=23+27+24+24, Table 2b: <Cl* NGC 1866 AT R-2-NN> N=13+14+22+28, Table 3: <Cl* NGC 1866 AT a> (Nos a-g) Ref:=1995AJ....110..638W byWALKER A.R. Astron. J., 110, 638-645 (1995) The LMC cluster NGC 1866. I. A revised photometric sequence and a reconnaissance of the surrounding field population. oTable 3: <Cl* NGC 1866 AT A> (Nos P-Z). Table 4: <Cl* NGC 1866 RR N> (Nos 1-4). Table 5: <Cl* NGC 1866 W NNNN> N=6556. =E=Catalogue in electronic form as <J/AJ/110/638/>

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