WDS 11009-4030 FIN 365 (HD 95506)

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11009-4030
FIN 365
HD 95506

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 11009-4030 FIN 365 (HD 95506) : NOTES

discov_num	notes	refcode
FIN 365	Hipparcos parallax 15.42 +/- 0.42 mas. Dynamical parallax 11.2 mas,
	masses 1.75 and 1.65 Msun. The latest measure contradicts the first
	orbit published in Hartkopf et al. (2012), which in fact predicts an	Hrt2012a
	unrealistically small mass sum. We propose here an alternative orbit
	with retrograde motion which reproduces the non-resolutions by Finsen	Fin1966a
	in 1963-1966 and corresponds to a reasonable mass sum. Double lines
	were noted by Nordstrom et al. (2004). The star appears to be evolved.	Nrd2004
	The Hipparcos parallax could be affected by the orbital motion
	unaccounted for in its data reduction.	Tok2012b

REFERENCES

refcode	metd	author	reference
Fin1966a	J j	Finsen, W.S.	1966ROCi..125..108F
Fin1966a		Republic Obs. Circ. 125, 108, 1966
Hrt2012a	orb -	Hartkopf, W.I., Tokovinin, A., & Mason, B.D.	2012AJ....143...42H
Hrt2012a	+lin	AJ 143, 42, 2012
Nrd2004	rv -	Nordstrom, B., Mayor, M., Andersen, J., Holmberg, J., Pont, F., Jorgensen, B.R.,	2004A&A...418..989N
Nrd2004		Olsen, E.H., Udry, S., & Mowlavi, N
Nrd2004		A&A 418, 989, 2004
Tok2012b	S j	Tokovinin, A.	2012AJ....144...56T
Tok2012b	+orb	AJ 144, 56, 2012
Tok2021f	orb -	Tokovinin, A.	2021IAUDS.204....1T
Tok2021f		Inf. Circ. 204, 1, 2021

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
11009-4030	FIN 365		1994	7	124	0.1	7.50	7.50	F7V		110051.32-402953.3
11009-4030	FIN 365		2011	8	117	0.1	7.50	7.50	F7V	O	110051.32-402953.3
11009-4030	FIN 365		2012	9	113	0.1	7.50	7.50	F7V	O	110051.32-402953.3
11009-4030	FIN 365		2013	11	109	0.2	7.50	7.50	F7V	NO	110051.32-402953.3
11009-4030	FIN 365		2014	12	106	0.2	7.50	7.50	F7V	NO	110051.32-402953.3
11009-4030	FIN 365		2016	13	94	0.1	7.50	7.50	F7V	NO	110051.13-402953.2
11009-4030	FIN 365		2018	15	76	0.1	7.50	7.50	F7V	NO	110051.13-402953.2
11009-4030	FIN 365		2019	17	335	0.0	7.50	7.50	F7V	NO	110051.13-402953.2
11009-4030	FIN 365		2021	18	304	0.1	7.50	7.50	F7V	NO	110051.13-402953.2

If you need more information about this double, apply for a data request form to the WDS.