HD 283750

Basic data :
HD 283750 -- BY Dra 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: * (1954ArA,HD,...), X (2E,1ES,...), ** (**,CCDM,...), PM* (2016ApJ,G,...), SB* (2018A&A,CABS,...), UV (2EUVE,EUVE,...), BY* (2017ARep), Er* ([GKL99]), V* (V*), NIR (2MASS), MIR (WISEA) 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) : 04 36 48.2421502608 +27 07 55.888214520 (Optical) [ 0.0429 0.0266 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) : 04 33 41.7769652658 +27 02 01.037914125 [ 0.0429 0.0266 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) : 172.5161388705758 -13.3581975264748 [ 0.0429 0.0266 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 : 232.170 -147.481 [0.062 0.042 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) 35.51 [0.04] / z(spectroscopic) 0.000118 [0.000000] / cz 35.51 [0.04]    (Opt) A 2018A&A...619A..81H 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): 57.4873 [0.0471] 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: K2.5Ve C 1989ApJS...71..245K 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 (6) : B 9.354 [0.013] D 2011A&A...531A..92R R 7.4 [~] E 2003AJ....125..984M G 7.745692 [0.003188] C 2020yCat.1350....0G J 5.945 [0.023] C 2003yCat.2246....0C H 5.400 [0.018] C 2003yCat.2246....0C K 5.240 [0.023] C 2003yCat.2246....0C	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 04 36 48.242 +27 07 55.89 FoV: 3.98' × 2MASS DSS SDSSXMMIRACIRISGALEX All (CDSPortal) Send to within arcsec
Some important notes on this object about identifications and objects associations. notes: see also HD 283750b

HD 283750	EUVE J0436+27.1	PMSC 04306+2656Aab	V* V833 Tau
** GIC 49A	GEN# +5.20253301	PPM 93630	WDS J04368+2708A
AG+27 445	G 39-28	2RE J043648+270754	WEB 4125
AGKR 4080	G 8-44	2RE J0436+270	WISEA J043648.42+270754.3
ASCC 659502	GJ 171.2 A	RE J043647+270746	YZC 24 2118
BD+26 730	GJ 171.2	RE J0436+270	YZ 27 2118
CABS 42	HG 8-2	RX J0436.8+2708	[FS2003] 0202
CCABS 36	HIC 21482	1RXS J043648.2+270759	[GKL99] 122
CCDM J04368+2708A	HIP 21482	SAO 76672	[RSP2011] 461
Cl* Melotte 25 EGG 25A	IDS 04306+2655 A	SBC9 258	Gaia DR3 151650076838458112
Cl Melotte 25 301	LSPM J0436+2707	TIC 125838647	Gaia DR2 151650076838458112
2E 1103	LTT 11465	TYC 1838-564-1	Gaia DR1 151650072541569280
2E 0433.7+2701	2MASS J04364822+2707559	UBV 4435
1ES 0433+27.0	NLTT 13601	UBV M 41544
2EUVE J0436+27.1	PMSC 04306+2656A	USNO-B1.0 1171-00070436

References (274 between 1850 and 2024) (Total 274) 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 : HD 283750

Link by name to the catalogue in VizieR :

Search by coordinates in Vizier (radius: 6 arcsec)

• NLTT 13599 and NLTT 13601 form a common proper-motion pair ( 2004ApJS..150..455G )

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