NGC 6918

Query : NGC 6918

Basic data :
NGC 6918 -- Seyfert 1 Galaxy
Other object types: otypes_help 		G (2011MNRAS,6dFGS,...), IR (IRAS,PSCz), Sy1 (2022ApJS), AG? (2020MNRAS), * (Gaia)
ICRS coord. (ep=J2000) : 		20 30 47.1146929762 -47 28 25.211091063 (Optical) [ 6.3728 5.6571 90 ] C 2018yCat.1345....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 27 15.1672990624 -47 38 32.051003751 [ 6.3728 5.6571 90 ]
Gal coord. (ep=J2000) : 		352.2956074866292 -36.0665953599923 [ 6.3728 5.6571 90 ]
Radial velocity / Redshift / cz : 		V(km/s) 5219 [75] / z(~) 0.017563 [0.000250] / cz 5265.23 [75.00]
   D 2011MNRAS.416.2840L
Morphological type: 		-0.3 D 1989ESOLV.C......0L
Angular size (arcmin): 		1.1055 0.740466 167 (Opt) B 2023ApJS..269....3M
Fluxes (9) :
B 14.46 [~] C 1989ESOLV.C......0L
R 13.06 [~] C 1989ESOLV.C......0L
G 17.0860 [0.0485] C 2018yCat.1345....0G
J 11.327 [0.023] C 2006AJ....131.1163S
H 10.596 [0.030] C 2006AJ....131.1163S
K 10.176 [0.033] C 2006AJ....131.1163S
g (AB) 14.0785 [0.0092] B 2023ApJS..269....3M
r (AB) 13.2926 [0.0169] C 2023ApJS..269....3M
z (AB) 12.7058 [0.0239] C 2023ApJS..269....3M
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 : 1 Display criteria :

Identifiers (12) :
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NGC 6918 ESO-LV 234-0400 IRAS F20272-4738 PSCz Q20272-4738
6dFGS gJ203047.1-472825 FRL 345 LEDA 64851 SGC 202715-4738.4
ESO 234-40 IRAS 20272-4738 2MASX J20304713-4728256 Gaia DR2 6668608842178718720

References (42 between 1850 and 2026) (Total 42)
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 : 7   

   

Observing logs
ISO : 4   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : NGC 6918

Link by name to the catalogue in VizieR :

NGC 6918 ESO-LV 234-0400 IRAS 20272-4738 IRAS F20272-4738 2MASX J20304713-4728256
Gaia DR2 6668608842178718720

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