NGC 7293

Basic data :
NGC 7293 -- Planetary Nebula Origin of the objects types : (Ref) Object type as listed in the reference "Ref" (acronym) Object type linked to the acronym according to the original reference () Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases Other object types: * (CSI,GCRV,...), Rad (GLEAM,NVSS,...), PN (2013MNRAS,PK,...), blu (2019A&A,PHL), X (2E,2RXP,...), IR (IRAS,[RHK93]), WD* (WD), WD? (2021MNRAS), HS? (2019A&A), G (ESO), UV (GALEX), NIR (2MASS) Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" : ra dec : right ascension and declination (unit and frame defined according to your Output Options) Grey values are increasing the original precision due to the computation of frame transformations (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam) [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), position angle (in degrees North celestial pole to East) quality : flag of quality E ≥ 10" D : 1-10" (and some old data) C : 0.1-1" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference ICRS coord. (ep=J2000) : 22 29 38.5454047152 -20 50 13.747242408 (Optical) [ 0.0409 0.0335 90 ] A 2020yCat.1350....0G Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" : ra dec : right ascension and declination (unit and frame defined according to your Output Options) Grey values are increasing the original precision due to the computation of frame transformations (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam) [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), position angle (in degrees North celestial pole to East) quality : flag of quality E ≥ 10" D : 1-10" (and some old data) C : 0.1-1" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference FK4 coord. (ep=B1950 eq=1950) : 22 26 54.6585789314 -21 05 36.749197852 [ 0.0409 0.0335 90 ] Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" : ra dec : right ascension and declination (unit and frame defined according to your Output Options) Grey values are increasing the original precision due to the computation of frame transformations (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam) [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue), position angle (in degrees North celestial pole to East) quality : flag of quality E ≥ 10" D : 1-10" (and some old data) C : 0.1-1" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference Gal coord. (ep=J2000) : 036.1613363573655 -57.1183735402488 [ 0.0409 0.0335 90 ] Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode" pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr) pm-dec : mu-dec (expressed in the ICRS system in mas/yr) [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg) quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the proper motion reference Proper motions mas/yr : 38.790 -3.347 [0.048 0.040 90] A 2020yCat.1350....0G Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode" value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity) [error] : error of the corresponding value displayed before (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown) quality : flag of quality ( A=best quality -> E=worst quality, ∼=unknown quality) bibcode : bibcode of the value's origin Radial velocity / Redshift / cz : V(km/s) -15.0 [10] / z(~) -0.000050 [0.000033] / cz -15.00 [10.00]    E 1953GCRV..C......0W Syntax of parallax is : 'value quality [error] bibcode' value : parallax value quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) [error] : mean error bibcode : bibcode of the parallax reference Parallaxes (mas): 5.0124 [0.0437] A 2020yCat.1350....0G Spectral type is made of 3 parts: %coding is composed of 4 parts : the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities; a quality letter: A=best quality→E=worst quality, {� } =unknown quality % a quality letter: A=best quality -> E=worst quality, {� } =unknown quality bibcode : bibcode of the spectral type reference Spectral type: DAO.5 C 2011ApJ...743..138G Syntax of angular size is : "maj-axis min-axis angle (wtype) quality bibcode" maj-axis : major axis size (arc minutes) min-axis : minor axis size (arc minutes) angle : orientation angle (in degrees) (wtype) : wavelength class for the origin of the angular size (Rad, mm, IR, Opt, UV, Xray, Gam) quality : flag of quality of the angular size values ( A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the angular size reference Angular size (arcmin): 13.400 13.400 90 (Rad) D 2008ApJ...689..194S Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode" filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z (System) : may be AB (default is Vega) flux-value : value of flux or magnitude [error] : error value quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality) MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4]) bibcode : bibcode of the flux reference Fluxes (9) : U 11.894 [~] D 2007AJ....133..768L B 13.158 [~] D 2007AJ....133..768L V 13.524 [~] D 2007AJ....133..768L R 13.689 [~] D 2007AJ....133..768L G 13.458613 [0.002878] C 2020yCat.1350....0G I 13.898 [~] D 2007AJ....133..768L J 14.332 [0.024] C 2003yCat.2246....0C H 14.49 [0.04] C 2003yCat.2246....0C K 14.55 [0.08] C 2003yCat.2246....0C	SIMBAD within arcmin Overlay points in this preview 2MASS DSS SDSSXMMIRACIRISGALEX All (CDSPortal) Send to within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR. The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding. Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).
Some important notes on this object about identifications and objects associations. notes: See also Specfind radio flux densities.

NGC 7293	GALEX J222938.5-205011	NAME HELICAL NEB	TIC 69813909
CSI-21-22270	GALEX J222938.4-205011	NAME Helix Nebula	USNO 271
2E 4615	GALEX J222938.4-205012	NVSS J222941-205025	uvby98 610160287
2E 2226.9-2105	GALEX J222938.5-205012	PHL 287	WD 2226-210
ESO 602-22	GALEX J222938.4-205013	PK 036-57	WEB 19878
GALEX J222938.6-205009	GALEX J222938.4-205014	PK 036-57 1	WISH B2226.9-2105
GALEX J222938.5-205009	GALEX J222938.5-205014	PKS 2226-211	2XMM J222938.5-205014
GALEX J222938.3-205010	GALEX J222938.5-205013	PKS J2229-2050	[HBC92] 222654.7-210537
GALEX J222938.7-205011	GCRV 14134	PLX 5437	[LFO93] 2226-21
GALEX J222938.3-205011	GJ 9785	PLX 5437.00	[RHK93] 18755
GALEX J222938.3-205016	GLEAM J222942-205017	PN G036.1-57.1	Gaia DR2 6628874205642084224
GALEX J222938.6-205010	GSC2 S32303301945	PN ARO 17	Gaia DR3 6628874205642084224
GALEX J222938.4-205010	IRAS 22267-2102	PN VV' 563
GALEX J222938.4-205015	IRAS X2226-210	PN VV 275
GALEX J222938.6-205011	2MASS J22293854-2050136	2RXP J222938.8-205015

References (949 between 1850 and 2024) (Total 949) Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system). Follow new references on this object

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External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : NGC 7293

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