2001A&A...379..660L


C.D.S. - SIMBAD4 rel 1.7 - 2020.12.03CET13:30:41

2001A&A...379..660L - Astronomy and Astrophysics, volume 379, 660-663 (2001/11-4)

The 2000 Rosetta asteroid targets observational campaign: 140 Siwa and 4979 Otawara.

LE BRAS A., DOTTO E., FULCHIGNONI M., DORESSOUNDIRAM A., BARUCCI M.A., LE MOUELIC S., FORNI O. and QUIRICO E.

Abstract (from CDS):

Photometric and spectroscopic observations of 140 Siwa and 4979 Otawara, targets of the Rosetta mission, have been carried out at the European Southern Observatory (ESO, Chile). The complete lightcurves in V and R of both asteroids and the Siwa spectrum in the range 0.95-2.52µm have been obtained. We determined the precise synodic rotational period of 140 Siwa (18.495h±0.005h) and we confirmed the synodic rotational period of 4979 Otawara (2.707h±0.005h). The phase function has been obtained for both asteroids, allowing the determination of the HV and GV parameters: for 4979 Otawara HV=14.62mag, GV=0.34; for 140 Siwa HV=8.34mag, GV=0.17. The near infrared spectrum of Siwa does not show any spectral feature, which is consistent with a C/P type object.

Abstract Copyright:

Journal keyword(s): minor planets, asteroids - solar system: general

Simbad objects: 1

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Number of rows : 1

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 190617 PM* 20 06 32.5987608513 -21 40 36.525449400   8.56 7.98     G2V 24 0

    Equat.    Gal    SGal    Ecl

C.D.S. - SIMBAD4 rel 1.7 - 2020.12.03CET13:30:41

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


Basic data :
HD 190617 -- 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:
* (BD,CD,...), PM* (LTT,NLTT), IR (2MASS)
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) :
20 06 32.5987608513 -21 40 36.525449400 (Optical) [ 0.0395 0.0251 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] : 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) :
20 03 36.7644911217 -21 49 12.023034632 [ 0.0395 0.0251 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) :
020.6001288693970 -25.7619894296750 [ 0.0395 0.0251 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 :
-203.510 -96.262 [0.079 0.049 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) 7.88 [0.20] / z(spectroscopic) 0.000026 [0.000001] / cz 7.88 [0.20]
   (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):
22.1570 [0.0477] 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:
G2V C 1988MSS...C04....0H
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 8.56 [0.02] D 2000A&A...355L..27H
V 7.98 [0.01] D 2000A&A...355L..27H
G 7.8449 [0.0004] C 2018yCat.1345....0G
J 6.904 [0.026] C 2003yCat.2246....0C
H 6.623 [0.055] C 2003yCat.2246....0C
K 6.562 [0.023] C 2003yCat.2246....0C
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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 (19) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LTT 7945 GEN# +1.00190617 NLTT 48717 uvby98 100190617
BD-22 5335 HD 190617 PPM 270697 YZ 111 13990
CD-22 14483 HIC 99046 SAO 188917 Gaia DR2 6853766256702532864
CPD-22 7642 HIP 99046 SKY# 37793 Gaia DR1 6853766252402318720
GC 27883 2MASS J20063262-2140364 TYC 6326-1150-1

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References (24 between 1850 and 2021) (Total 24)
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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Collections of Measurements


distance : 1    velocities : 3    PM : 4    Fe_H : 2    PLX : 3    MK : 2   

   


External archives :

Link by name to the catalogue in VizieR :

BD-22 5335 CD-22 14483 CPD-22 7642 HD 190617 HIC 99046
HIP 99046 2MASS J20063262-2140364 NLTT 48717 PPM 270697 SAO 188917
TYC 6326-1150-1 uvby98 100190617 Gaia DR2 6853766256702532864 Gaia DR1 6853766252402318720

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2020.12.03-13:30:41

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