2000MNRAS.317..375J

Query : 2000MNRAS.317..375J

2000MNRAS.317..375J - Mon. Not. R. Astron. Soc., 317, 375-384 (2000/September-2)

Studies of multiple stellar systems - III. Modulation of orbital elements in the triple-lined system HD 109648.

JHA S., TORRES G., STEFANIK R.P., LATHAM D.W. and MAZEH T.

Abstract (from CDS):

The triple-lined spectroscopic triple system HD 109648 has one of the shortest periods known for the outer orbit in a late-type triple, 120.5d, and the ratio between the periods of the outer and the inner orbits is small, 22:1. With such extreme values, this system should show orbital element variations over a time-scale of about a decade. We have monitored the radial velocities of HD 109648 with the CfA Digital Speedometers for 8yr, and have found evidence for modulation of some orbital elements. While we see no definite evidence for modulation of the inner binary eccentricity, we clearly observe variations in the inner and the outer longitudes of periastron, and in the radial velocity amplitudes of the three components. The observational results, combined with numerical simulations, allow us to put constraints on the orientation of the orbits.

Abstract Copyright: 2000, Royal Astronomical Society

Journal keyword(s): celestial mechanics, stellar dynamics - binaries: spectroscopic - stars: individual: HD 109648

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 - 2026 		#notes
1 HD 109648 SB* 12 35 59.9179796448 +36 15 28.180878804   9.19 8.8     F5V 62 0

Query : 2000MNRAS.317..375J

Basic data :
HD 109648 -- Spectroscopic Binary
Other object types: otypes_help 		* (1963AJ,HD,...), SB* (2004A&A,SBC9), Em* (2023ApJS), NIR (2MASS), Opt (LAMOST)
ICRS coord. (ep=J2000) : 		12 35 59.9179796448 +36 15 28.180878804 (Optical) [ 0.0121 0.0145 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 33 33.6485447216 +36 32 00.363916961 [ 0.0121 0.0145 90 ]
Gal coord. (ep=J2000) : 		141.7261470693170 +80.3002494999118 [ 0.0121 0.0145 90 ]
Proper motions mas/yr : 		-10.438 -33.459 [0.013 0.023 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -14.4215 [0.0984] / z(spectroscopic) -0.000048 [0.000000] / cz -14.42 [0.10]
   (NIR) A 2022ApJS..259...35A
Parallaxes (mas): 		5.9843 [0.0191] A 2020yCat.1350....0G
Spectral type: 		F5V C 1976MmRAS..82...69H
Fluxes (6) :
B 9.19 [~] E ~
V 8.8 [~] D 1963AJ.....68..194U
G 8.629934 [0.002761] C 2020yCat.1350....0G
J 7.807 [0.024] C 2003yCat.2246....0C
H 7.636 [0.044] C 2003yCat.2246....0C
K 7.553 [0.021] C 2003yCat.2246....0C
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Identifiers (28) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 109648 GAT 709 2MASS J12355991+3615282 UBV M 40458
AG+36 1142 GEN# +4.36010004 PPM 76598 UI +37-97
AP J12355991+3615282 GSC 02530-01921 SAO 63094 uvby98 436010004
BD+37 2300 HIC 61497 SBC9 2605 [M60b]+36 278
Cl* Upgren 1 UR 6 HIP 61497 SBC9 2604 Gaia DR2 1518695423639372160
Cl* Upgren 1 DZE 6 LAMOST J123600.21+361528.1 TIC 321475600 Gaia DR3 1518695423639372160
Cl* Upgren 1 SCT 6 LAMOST J123600.34+361528.1 TYC 2530-1921-1 Gaia DR1 1518695419343907968

References (62 between 1850 and 2026) (Total 62)
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 Description of Measurements

Velocities : 5    Distance : 2    Var : 1    Fe/H : 3    Plx : 5    PM : 4    SpT : 6   

   

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Link by name to the catalogue in VizieR :

HD 109648 AG+36 1142 AP J12355991+3615282 BD+37 2300 GSC 02530-01921
HIC 61497 HIP 61497 2MASS J12355991+3615282 PPM 76598 SAO 63094
TYC 2530-1921-1 uvby98 436010004 Gaia DR2 1518695423639372160 Gaia DR3 1518695423639372160 Gaia DR1 1518695419343907968

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