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Query : H1821+643 | C.D.S. - SIMBAD4 rel 1.7 - 2021.01.15CET16:49:52 |
Available data : Basic data • Identifiers • Plot & images • Bibliography • Measurements • External archives • Notes • Annotations
Basic data : | ||||||||||||||||||||
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Some important notes on this object about identifications and objects associations.
notes:
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Hierarchy :
number of linked objects
whatever the membership probability is (see description here ) :
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The link on the acronym of the identifiers give access to the
information for this acronym in the dictionary of nomenclature.
Identifiers (52) :
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2E 4066
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H 1821+643 | QSO B1821+6419 |
WISE J182157.22+642036.2
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AKARI-FIS-V1 J1821561+642039
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IGR J18218+6421 | QSO B1821+64 | 2XMMi J182157.2+642036 |
AKARI-IRC-V1 J1821571+642036
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INTREF 900 | QSO B1821+643 | XSS J18196+6454 |
1AXG J182200+6420 |
IRAS 18216+6418
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QSO J1821+6420 | [BAG2012] 275.5807+64.3694 |
7C 1821+6419 |
IRAS F18216+6419
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QSO B1821+642 | [BDW2002] q1821+6419 |
7C 182140.90+641929.00 |
IRAS F18216+6419A
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RX J182155+64207 | [HB93] 1821+643 |
8C 1821+643A |
IRAS 18216+6419
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RX J1821.9+6420 | [SLK2004] 1455 |
1E 1821+64.3 | ISOSS J18218+6421 | RX J1821.8+6419 | [VV2000] J182157.2+642036 |
2E 1821.6+6419 | KODIAQ J182157+642036 |
1RXS J182157.4+642051
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[VV2003] J182157.2+642036 |
1ES 1821+64.3 | KUV 18217+6419 | SWIFT J1822.0+6421 | [VV2006] J182157.2+642036 |
EXO 1821.6+6419 | PBC J1821.5+6421 | SWIFT J1822.1+6421 | [VV2010] J182157.2+642036 |
1H 1820+643 |
PG 1821+643
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SWIFT J1822.2+6420 | [VV96] J182157.3+642036 |
H 1824+644 | PSCz P18216+6418 | UVQS J182157.22+642036.2 | [VV98] J182157.2+642036 |
Plots and Images |
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References (543 between 1850 and 2021) (Total 543)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system). ![]() |
Observing logs
Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center
Data at NED - NASA/IPAC Extragalactic Database : H1821+643
Link by name to the catalogue in VizieR :
2E 4066 | AKARI-FIS-V1 J1821561+642039 | AKARI-IRC-V1 J1821571+642036 | IRAS 18216+6418 | IRAS F18216+6419 |
IRAS F18216+6419A | IRAS 18216+6419 | PG 1821+643 | 1RXS J182157.4+642051 | WISE J182157.22+642036.2 |
Search by coordinates in Vizier (radius: 5 arcsec)
Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .
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