HD 50806

Query : HD 50806
C.D.S. - SIMBAD4 rel 1.7 - 2018.12.12CET10:01:41

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
HD 50806 -- High proper-motion Star
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:
* (Ref,CD,...), PM* (LHS,Ci,...), IR (IRAS,2MASS), UV (TD1)
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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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 53 33.9426033431 -28 32 23.255947738 (Optical) [ 0.0229 0.0305 90 ] A 2018yCat.1345....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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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 51 34.4694541135 -28 28 13.323524303 [ 2.9502 2.3001 0 ]
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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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) :
238.9572142036717 -12.1572943943828 [ 0.0305 0.0229 0 ]
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 :
282.144 -442.000 [0.046 0.059 90] A 2018yCat.1345....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) 72.465 [0.0028] / z(~) 0.000242 [0.000000] / cz 72.47 [0.00]
   (Opt) A 2013A&A...552A..64S
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):
38.7188 [0.0344] A 2018yCat.1345....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:
G5V 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 (6) :
B 6.75 [~] C ~
V 6.04 [~] C ~
G 5.8533 [0.0008] C 2018yCat.1345....0G
J 4.798 [0.050] C 2003yCat.2246....0C
H 4.565 [0.076] C 2003yCat.2246....0C
K 4.334 [0.036] C 2003yCat.2246....0C
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within radius 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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (34) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LHS 1878 HIC 33094 PLX 1619 UBV 6835
CD-28 3554 HIP 33094 PLX 1619.00 UBV M 12573
Ci 20 401 HR 2576 PM 06516-2828 uvby98 100050806
CPD-28 1525 IRAS 06515-2828 PPM 251199 WEB 6661
GC 9038 LFT 496 SAO 172524 YZ 118 3385
GCRV 4504 LPM 245 SKY# 12219 Gaia DR2 5609058277323483392
GEN# +1.00050806 LTT 2670 SPOCS 327 Gaia DR1 5609058273023075968
GJ 9219 2MASS J06533391-2832228 TD1 8509
HD 50806 NLTT 17144 TYC 6534-866-1

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References (108 between 1850 and 2019) (Total 108)
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
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)


Collections of Measurements


distance : 1    velocities : 9    ROT : 1    PM : 7    Fe_H : 18    PLX : 5    MK : 6   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

distance (1)

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |   25.8272  pc  |  -0.0229     +0.0229  |paral   |2018yCat.1345....0G|
 

velocities (9)

 |typ|    Value    R   m.e.   |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 -------------------------------------------------------------------------------------------------------
 |v  |   72.49        0.15    |A (  17)|s , ,O   ,           |          |       |  |2018yCat.1345....0G|
 |v  |   72.1                 |  (   9)|s , ,    ,           |          |       |  |1995A&AS..114..269D|
 |v  |   72.2         2.0     |E (   4)|s , ,    ,           |          |       |  |1953GCRV..C......0W|
 |z  |   72.465       0.0028  |A (    )|s , ,Opt ,           |          |       |  |2013A&A...552A..64S|
 |v  |   72.1                 |A (   6)|  , ,    ,           |          |       |  |2004A&A...418..989N|
 |V  |   72.44        0.09    |A (    )|s , ,O   ,           |          |       |  |2002ApJS..141..503N|
 |v  |   72.1                 |A (   9)|  , ,    ,           |          |##     |  |1979IAUS...30...57E|
 |v  |   70.9                 |  (   4)|  , ,    ,           |          |       |  |1957MNRAS.117..534E|
 |v  |   71.7                 |  (   4)|  , ,    ,           |          |       |  |1929ApJ....70..207A|
 

rot (1)

 |  Vsini  [  err   ] (mes)|Q|     reference     |
 -------------------------------------------------
 |   1.50  [  0.12  ] (   )| |2016A&A...592A.156D|
 

pm (7)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 | +282.144[    0.046]| -442.000[    0.059]|ICRS|2018yCat.1345....0G|
 | +283.11 [    0.36 ]| -441.89 [    0.48 ]|ICRS|2007A&A...474..653V|
 | +282.83 [    0.50 ]| -441.94 [    0.56 ]|ICRS|1997A&A...323L..49P|
 | +281    [  100    ]| -438    [  100    ]|ICRS|2002ApJS..141..187B|
 | +272    [         ]| -439    [         ]|FK4 |1976LHS...C......0L|
 | +274    [         ]| -440    [         ]|FK4 |1933GCCat.C......0B|
 | +290    [         ]| -460    [         ]|FK4 |1930PCinO..20....1P|
 

fe_h (18)

 |Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 -----------------------------------------------------------
 | 5683 4.35  | 0.07   |SUN      |     |2005ApJS..159..141V|
 | 5662 4.16  | 0.043  |SUN      |     |2014A&A...572A..48R|
 | 5633 4.11  | 0.03   |SUN      |     |2008A&A...487..373S|
 | 5628       |        |SUN      |     |2011A&A...530A.138C|
 | 5610 4.12  | 0.02   |SUN      |     |2012A&A...542A..84D|
 | 5585       |        |SUN      |     |2006A&A...450..735M|
 | 5578 4.00  |-0.02   |SUN      |     |1999A&A...348..487R|
 | 5629 4.110 | 0.023  |         |     |2018MNRAS.474.2580S|
 | 5621 4.10  | 0.01   |         |     |2016ApJS..225...32B|
 | 5612 4.0   | 0.04   |SUN      |     |2016A&A...586A..49B|
 | 5662 4.16  |43      |SUN      |     |2016A&A...592A.156D|
 | 5633 4.11  | 0.03   |SUN      |     |2014A&A...562A..92D|
 | 5612 4.0   | 0.04   |SUN      |     |2015A&A...577A...9B|
 | 5612 4.03  | 0.04   |SUN      |     |2014A&A...562A..71B|
 | 5598 4.10  | 0.01   |SUN      |     |2013A&A...555A.150T|
 | 5633 4.11  | 0.03   |SUN      |     |2012A&A...545A..32A|
 | 5578 4.0   |-0.02   |SUN      |F    |1999A&A...348..487R|
 | 5633 4.11  | 0.03   |         |     |2008A&A...487..373S|
 

plx (5)

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
m|  38.77    :   0.63       |1997A&A...323L..49P|
 |  38.7188  :   0.0344     |2018yCat.1345....0G|
 |  41.1     :  10.1        |1995GCTP..C......0V|
 |  38.62    :   0.49       |2007A&A...474..653V|
 |  38.910   :   0.370      |2016A&A...595A...2G|
 

mk (6)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
m|  /   |G5 V                                |2006AJ....132..161G|
 |  /   |G3/5V                               |1982MSS...C03....0H|
 |  /   |G5IV                                |1962RGOB...51...79E|
 |  /   |G5IV                                |1961CapMi..12....1:|
 |  /   |G5IV                                |1960MNRAS.120..430E|
 |P /   |G5IV                                |1957MNRAS.117..534E|
 

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HD 50806

Link by name to the catalogue in VizieR :

LHS 1878 CD-28 3554 CPD-28 1525 GJ 9219 HD 50806
HIC 33094 HIP 33094 HR 2576 IRAS 06515-2828 2MASS J06533391-2832228
NLTT 17144 PLX 1619 PPM 251199 SAO 172524 TD1 8509
TYC 6534-866-1 uvby98 100050806 Gaia DR2 5609058277323483392 Gaia DR1 5609058273023075968

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2018.12.12-10:01:41

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