hd 102870

Query : hd 102870

Basic data :
* bet Vir -- 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:
* (2013A&A,*,...), PM* (2016ApJ,LHS,...), X (2E,RBS,...), ** (**,CCDM,...), IR (IRAS,IRC,...), 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] : 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 50 41.7182390 +01 45 52.991019 (Optical) [ 0.20 0.15 90 ] A 2007A&A...474..653V
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 48 05.3929008 +02 02 47.646119 [ 0.20 0.15 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) :
270.5242711485 +60.7559050121 [ 0.20 0.15 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 :
740.23 -270.43 [0.23 0.18 90] A 2007A&A...474..653V
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) 4.455 [0.0005] / z(spectroscopic) 0.000015 [0.000000] / cz 4.46 [0.00]
   (Opt) A 2018A&A...616A...7S
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):
91.50 [0.22] A 2007A&A...474..653V
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:
F9V B 1973ARA&A..11...29M
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 (14) :
U 4.26 [~] C 2002yCat.2237....0D
B 4.15 [~] C 2002yCat.2237....0D
V 3.60 [~] C 2002yCat.2237....0D
R 3.13 [~] C 2002yCat.2237....0D
G 3.3464 [0.0043] C 2018yCat.1345....0G
I 2.85 [~] C 2002yCat.2237....0D
J 2.63 [~] C 2002yCat.2237....0D
H 2.363 [0.230] D 2003yCat.2246....0C
K 2.33 [~] C 2002yCat.2237....0D
u (AB) 9.116 [0.005] C 2009ApJS..182..543A
g (AB) 8.629 [0.005] C 2009ApJS..182..543A
r (AB) 8.471 [0.007] C 2009ApJS..182..543A
i (AB) 7.970 [0.008] C 2009ApJS..182..543A
z (AB) 7.942 [0.008] C 2009ApJS..182..543A
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 (62) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LHS 2465 GES J11504232+0145496 NLTT 28736 TYC 273-924-1
* bet Vir GJ 449 PLX 2739 UBV 10653
* 5 Vir HD 102870 PLX 2739.00 UBV M 17429
** STT 576A HIC 57757 PMC 90-93 320 USNO-B1.0 0917-00221705
AG+02 1527 HIP 57757 PM 11481+0203 uvby98 100102870
ASCC 1136083 HR 4540 PPM 158259 WDS J11507+0146A
BD+02 2489 IDS 11454+0219 A RBS 1041 WEB 10364
CCDM J11507+0146A IRAS 11481+0202 ROT 1754 WISEA J115042.25+014550.1
Ci 20 665 IRC +00212 RX J1150.6+0146 2XMM J115041.7+014553
CSI+02 2489 1 JP11 2112 1RXS J115041.4+014603 YZ 2 4361
2E 2544 LFT 854 SAO 119076 Zkh 170
2E 1148.1+0202 LSPM J1150+0145 SDSS J115041.71+014552.7 [HFE83] 830
FK5 445 LTT 13264 SKY# 22350 [ZEH2003] RX J1150.6+0146 1
GC 16215 2MASS J11504173+0145528 SPOCS 510 Gaia DR2 3796442680947600768
GCRV 7160 N30 2758 TD1 15895
GEN# +1.00102870 NAME Zavijava TIC 366661076

References (878 between 1850 and 2022) (Total 878)
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 : 30    distance : 1    ROT : 7    Fe_H : 84    PLX : 4    PM : 8    MK : 36   

   

Observing logs


herschel : 3    IUE : 14    XMM : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : hd 102870

Link by name to the catalogue in VizieR :

LHS 2465 AG+02 1527 BD+02 2489 CCDM J11507+0146A 2E 2544
FK5 445 GJ 449 HD 102870 HIC 57757 HIP 57757
HR 4540 IRAS 11481+0202 IRC +00212 LSPM J1150+0145 2MASS J11504173+0145528
NLTT 28736 PLX 2739 PPM 158259 1RXS J115041.4+014603 SAO 119076
SDSS J115041.71+014552.7 TD1 15895 TYC 273-924-1 USNO-B1.0 0917-00221705 uvby98 100102870
WDS J11507+0146A WISEA J115042.25+014550.1 Gaia DR2 3796442680947600768

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2021.12.08-14:59:42

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