NGC 6557

Query : NGC 6557

Basic data :
NGC 6557 -- Seyfert 2 Galaxy
Other object types: otypes_help 		Rad (2019MNRAS,CRATES,...), G (2014MNRAS,6dFGS,...), GiG (2007ApJ,[CHM2007]), cm (AT20G,ATPMN), Sy2 (2022ApJS), rG (2012A&A), AGN (2011MNRAS), AG? (2020MNRAS), * (Gaia)
ICRS coord. (ep=J2000) : 		18 21 24.68632 -76 35 00.1371 (Radio) [ 20.8 5.8 90 ] B 2019MNRAS.485...88P
FK4 coord. (ep=B1950 eq=1950) : 		18 14 11.32818 -76 36 17.8530 [ 20.8 5.8 90 ]
Gal coord. (ep=J2000) : 		317.58947362 -24.61769147 [ 20.8 5.8 90 ]
Radial velocity / Redshift / cz : 		V(km/s) 5500 [6] / z(~) 0.018519 [0.000020] / cz 5551.86 [6.00]
   D 2002LEDA.........0P
Morphological type: 		SO E 2003A&A...412...45P
Angular size (arcmin): 		1.120 0.762 75 (NIR) C 2006AJ....131.1163S
Fluxes (6) :
B 13.99 [~] D 2009MNRAS.399..683J
R 12.50 [~] D 2009MNRAS.399..683J
G 19.626833 [0.011120] C 2020yCat.1350....0G
J 10.276 [0.018] C 2006AJ....131.1163S
H 9.570 [0.021] C 2006AJ....131.1163S
K 9.251 [0.024] C 2006AJ....131.1163S
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 3 : 11 Display criteria :

Identifiers (25) :
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NGC 6557 GLEAM J182126-763501 PKS 1815-76 SUMSS J182124-763459
AT20G J182125-763459 IVS B1814-766 PKS 1814-766 [CHM2007] HDC 1038 J182124.66-7634598
ATPMN J182124.6-763500 LCS1 J1821-7635 PKS 1814-76 [CHM2007] LDC 1302 J182124.66-7634598
ATPMN J182124.7-763500 LCS2 J1821-7635 PKS J1821-7634 Gaia DR3 6413554442691378816
CRATES J182123-763505 LEDA 61770 PMN J1821-7635
6dFGS gJ182124.7-763500 2MASX J18212466-7634598 SGC 181412-7636.3
ESO 45-1 MRC 1814-766 SPASS J182130-763448

References (41 between 1850 and 2026) (Total 41)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 5    Distance : 4   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : NGC 6557

Link by name to the catalogue in VizieR :

NGC 6557 2MASX J18212466-7634598 PKS 1815-76 PKS 1814-766 PKS 1814-76
PKS J1821-7634 PMN J1821-7635 SUMSS J182124-763459 Gaia DR3 6413554442691378816

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