HR 2251

Query : HR 2251

Basic data :
HD 43587 -- Spectroscopic Binary
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:
* (2013A&A,HD,...), ** (**,CCDM,...), PM* (2018yCat,LSPM,...), SB* (2013AJ,SBC9), V* (CSV,NSV), Ro* (1996ApJ), UV (TD1), NIR (2MASS), IR (IRAS)
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) :
06 17 16.1297031648 +05 05 59.904745548 (Optical) [ 0.1120 0.1032 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) :
06 14 37.1438662801 +05 07 01.222486404 [ 0.1120 0.1032 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) :
204.4677896479811 -05.2292201604034 [ 0.1120 0.1032 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 :
-211.532 166.651 [0.150 0.125 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) 8.93 [0.27] / z(spectroscopic) 0.000030 [0.000001] / cz 8.93 [0.27]
   (Opt) A 2018yCat.1345....0G
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):
51.6165 [0.1235] 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:
G0V C 2006AJ....132..161G
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 (7) :
U 6.400 [0.010] C 1991A&AS...89..415O
B 6.290 [0.007] C 1991A&AS...89..415O
R 5.3 [~] E 2003AJ....125..984M
G 5.565168 [0.002871] C 2020yCat.1350....0G
J 4.960 [0.270] D 2003yCat.2246....0C
H 4.434 [0.076] C 2003yCat.2246....0C
K 4.205 [0.036] 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 Simbad points in this preview
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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!).
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The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (50) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 43587 GCRV 3979 NLTT 16334 UBV 6317
** LEP 24A GEN# +1.00043587A NSV 2896 USNO-B1.0 0951-00085810
** CAT 1 GJ 9208 A PLX 1463 uvby98 100043587 A
** ENG 26A GJ 231.1 A PPM 150225 WDS J06173+0506A
** BUP 87A GSC 00140-01840 ROT 1011 WDS J06173+0506Aa,Ab
AG+05 746 HIC 29860 SAO 113683 WEB 5912
ASCC 1018092 HIP 29860 SBC9 3220 YPAC 415
BD+05 1168 HR 2251 SKY# 10639 YZ 0 2047
CCDM J06172+0505A IDS 06120+0508 A SPOCS 303 YZ 5 2770
CoRoT 3474 IRAS 06146+0507 SV* ZI 520 Gaia DR2 3317901165746471552
CSI+05 1168 1 LSPM J0617+0506 TD1 6615 Gaia DR3 3317901165746471552
CSV 100726 LTT 11824 TIC 265361101
GC 8058 2MASS J06171614+0506001 TYC 140-1840-1

References (242 between 1850 and 2024) (Total 242)
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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                Reference summaries :

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Collections of Measurements


velocities : 10    V* : 2    distance : 2    ROT : 8    Fe_H : 33    PLX : 4    PM : 5    MK : 4   

   

Observing logs


IUE : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HR 2251

Link by name to the catalogue in VizieR :

HD 43587 AG+05 746 BD+05 1168 CCDM J06172+0505A CoRoT 3474
GJ 9208 A GJ 231.1 A GSC 00140-01840 HIC 29860 HIP 29860
HR 2251 IRAS 06146+0507 LSPM J0617+0506 2MASS J06171614+0506001 NLTT 16334
NSV 2896 PLX 1463 PPM 150225 SAO 113683 TD1 6615
TYC 140-1840-1 USNO-B1.0 0951-00085810 uvby98 100043587 A WDS J06173+0506A WDS J06173+0506Aa,Ab
Gaia DR2 3317901165746471552 Gaia DR3 3317901165746471552

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