VizieR

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phase: 3

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J/ApJS/255/7

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Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000

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IAU/CDS nomenclature

Mirrors

	J/ApJS/255/7	175		X-ray monitoring of 1ES 1927+654 (Ricci+, 2021) ReadMe+ftp 2021ApJS..255....7R Similar Catalogs Objects Post annotation
1.	J/ApJS/255/7/tablea1		X-ray observation log (286 rows) metaJ/ApJS/255/7/tablea1

Simple Constraint List Of Constraints

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Column

Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

Tel

(char)

X-ray telescope (Note 1) (instr.tel) (TEL_ID)

Obs

⁽ⁿ⁾Date of observation, ISO 8601 (time.epoch) (TIME_DATE)

ObsId

Observation ID on Tel (meta.id;obs) (OBS_ID)

Exp

Exposure time (time.duration;obs.exposure) (TIME_EXPTIME)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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	Display UCD1+ UCD1

https://cdsannotations.u-strasbg.fr/annotations/vizierTable//

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→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

Contact - Legals

If the access to catalogues with VizieR was helpful for your research work,the following acknowledgment would be appreciated: This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier). The original description of the VizieR service was published in A&AS 143, 23