DI Cha

Basic data :
V* DI Cha -- Orion Variable 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: * (2002AJ,CD,...), IR (AKARI,BYB,...), V* (2002AJ,NSV,...), X (CHX,CHXR,...), Em* (HBC,Hen,...), Or* (2003AstL), ** (**,WDS), TT* (1999AJ), Y*O ([CCE98]), Y*? (2015ApJS), EmO (LHA) 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) : 11 07 20.7276076008 -77 38 07.308086352 (Optical) [ 0.0117 0.0126 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) : 11 05 56.8960999354 -77 21 51.854218755 [ 0.0117 0.0126 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) : 297.3257587420517 -15.9115344114149 [ 0.0117 0.0126 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 : -22.552 1.214 [0.015 0.015 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) 12.040 [0.140] / z(~) 0.000040 [0.000000] / cz 12.04 [0.14]    (Opt) A 2012ApJ...745..119N 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): 5.2913 [0.0133] 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: G2Ve C 1977A&A....61...21A 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 (10) : B 12.02 [0.02] D 2012yCat.1322....0Z V 10.74 [0.05] D 2012yCat.1322....0Z R 10.72 [0.15] E 2012yCat.1322....0Z G 10.210332 [0.002981] C 2020yCat.1350....0G J 7.819 [0.026] C 2003yCat.2246....0C H 6.942 [0.044] C 2003yCat.2246....0C K 6.217 [0.020] C 2003yCat.2246....0C g 11.42 [0.01] D 2012yCat.1322....0Z r 10.21 [0.05] D 2012yCat.1322....0Z i 9.80 [0.12] D 2012yCat.1322....0Z	SIMBAD within arcmin ', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> 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!).

CD-76 486	2E 1106.0-7722	PDS 46	WDS J11073-7738A
** REP 17	GEN# +9.00110013	RAVE J110720.7-773807	WDS J11073-7738Aa,Ab
** REP 17A	GEN# -0.07600652	1RXS J110717.6-773817	WISEA J110720.70-773807.4
** SDT 2	GSC 09414-00743	SSTgbs J1107206-773807	WISE J110720.68-773807.3
AKARI-IRC-V1 J1107207-773807	HBC 245	Sz 19	[AWW90] Ced 111 IRS 1
Ass Cha T 1-13	Hen 3-593	TIC 454291768	[CCE98] 1-48
Ass Cha T 2-26	HIC 54365	TYC 9414-743-1	[KG2001] 6
Ass Cha T 2-26 A	HIP 54365	UBV M 52071	AAVSO 1104-77
BYB 32	IRAS 11059-7721	UCAC2 500047	Gaia DR3 5201129121134048768
CHSM 9847	ISO-ChaI 100	UCAC3 25-23410	Gaia DR2 5201129121134048768
CHX 9	LHA 332-17	UCAC4 062-010408	Gaia DR1 5201129116838179328
CHXR 23	2MASS J11072074-7738073	uvby98 610300245
CPD-76 652	NAME CED 111 IRS 1	V* DI Cha
2E 2399	NSV 5099	WDS J11073-7738AB

References (161 between 1850 and 2023) (Total 161) 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

Collections of Measurements

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : DI Cha

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