23357-2729 SEE 492 AB (HD 221839)

23^h 35^m 40.06^s -27° 29' 25.7" P.A. 47.00 sep 0.7 mag 6.84,9.18 Sp F9V dist. 38.51 pc (125.62 l.y.)

Coord 2000	23357-2729	Discov num	SEE 492	Comp	AB	Coord arcsec 2000	23 35 40.06 -27 29 25.7
Date first	1897	Date last	2023	Obs	71
Pa first	265	Pa last	47	P.A. Now (θ)	49.7° (calc)
Sep first	0.4	Sep last	0.683	Sep. Now (ρ)	0.685" (calc)
Mag pri	6.84	Mag sec	9.18	delta mag (ΔM)	2.34	Spectral class	F9V (yellow-white)
Pri motion ra	+094	Sec motion ra	+094
Pri motion dec	-155	Sec motion dec	-155
Notes	N O W (See Notes, Orbital solution, )

This double is physical.

23357-2729 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 221839	192020	23 35 40 -27 29 26	SEE 492 AB	2023	71	47	0.7	6.84	9.18	2.34	Y	<===
Show		192020	23 35 40 -27 29 26	SKF 2110 AC	2010	4	272	162.5	6.70	16.40	9.70

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 221839	Constellation	Sculptor	SAO	192020	HIP	116436
Tycho2	6983-01298-1	Gaia DR2	2331919340510674944	HD	221839	ADS	16850
CD	CD-2818257	Distance	38.51	Distance ly	125.62

ORBITAL ELEMENTS

Period (P)	77.75y	Periastron (T)	1969.11y	Semi-major axis (a)	0.601a
Eccentricity (e)	0.491	Inclination (i)	50°	Longitude of periastron (ω)	110.6°
Node (Ω)	72.1°	Notes	n	Reference	Doc2015g
Equinox	2000	Last observation	2014	Grade	3	(1=Definitive, 9=Indet.)

label	theta	rho
2000	351.1	0.562
2001	354.0	0.570
2002	356.9	0.577
2003	359.6	0.585
2004	2.3	0.593
2005	5.0	0.601
2006	7.5	0.609
2007	10.0	0.617
2008	12.5	0.625
2009	14.8	0.632
2010	17.1	0.640
2011	19.4	0.647
2012	21.6	0.654
2013	23.8	0.661
2014	25.9	0.667
2015	28.0	0.673
2016	30.0	0.678
2017	32.0	0.683
2018	34.0	0.687
2019	36.0	0.690
2020	38.0	0.692
2021	39.9	0.694
2022	41.9	0.694
2023	43.8	0.694
2024	45.8	0.692
2025	47.7	0.689
2026	49.7	0.685
2027	51.7	0.679
2028	53.8	0.672
2029	55.9	0.663
2030	58.1	0.652
2031	60.3	0.639
2032	62.7	0.624
2033	65.1	0.606
2034	67.8	0.587
2035	70.6	0.564
2036	73.7	0.538
2037	77.1	0.509
2038	80.9	0.477
2039	85.4	0.442
2040	90.6	0.403
2041	97.1	0.361
2042	105.3	0.317
2043	116.1	0.273
2044	130.8	0.234
2045	150.4	0.207
2046	173.4	0.201
2047	195.3	0.217
2048	212.8	0.248
2049	226.1	0.286
2050	236.2	0.323

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 23357-2729 SEE 492 AB (HD 221839) : NOTES

discov_num	notes	refcode
SEE 492	Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
	masses of 2.03 +/- 0.32, 2.10, and 1.07 Msun, respectively.	Mlk2012

REFERENCES

refcode	metd	author	reference
Doc2015g	orb -	Docobo, J.A. & Campo, P.	2015IAUDS.187R...1D
Doc2015g		Inf. Circ. 187, 1, 2015
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012

DISCOVERER

discov	author
DOC	Docobo, J. (Docobo et al.)
DOC	Docobo, J.A., Andrade, M., Ling, J.F., Prieto, C., Tamazian, V.S., Balega, Yu.Yu.,
DOC	Blanco, J., Maximov, A.F., et al.
DOC	Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y.,
DOC	Lahulla, J.F., & Maximov, A.
DOC	Docobo, J.A., Tamazian, V.S., Balega, Y.Y., Andrade, M., Schertl, D., Weigelt, G.,
DOC	Campo, P., & Palacios, M.
DOC	Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y.,
DOC	Lahulla, J.F., & Maximov, A.
DOC	Highlights of Spanish Astrophysics V, Ap&SS Proc. (Springer-Verlag, Berlin),
DOC	p 491, 2010 (no data)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
23357-2729	SEE 492	AB	2010	53	19	0.6	6.84	9.18	F9V	-2818257	NO	233540.06-272925.7
23357-2729	SEE 492	AB	2014	54	28	0.7	6.84	9.18	F9V	-2818257	NO	233540.06-272925.7
23357-2729	SEE 492	AB	2015	55	30	0.7	6.84	9.18	F9V	-2818257	NO	233540.06-272925.7
23357-2729	SEE 492	AB	2017	58	34	0.7	6.84	9.18	F9V	-2818257	NO	233540.06-272925.7
23357-2729	SEE 492	AB	2018	62	37	0.7	6.84	9.18	F9V	-2818257	NO	233540.06-272925.7
23357-2729	SEE 492	AB	2020	63	41	0.7	6.84	9.18	F9V	-2818257	NOW	233540.06-272925.7
23357-2729	SEE 492	AB	2021	67	43	0.7	6.84	9.18	F9V	-2818257	NOW	233540.06-272925.7
23357-2729	SEE 492	AB	2022	70	45	0.7	6.84	9.18	F9V	-2818257	NOW	233540.06-272925.7
23357-2729	SEE 492	AB	2023	71	47	0.7	6.84	9.18	F9V	-2818257	NOW	233540.06-272925.7

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

WDS 23357-2729 SEE 492 AB (HD 221839) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23357-2729 SEE 492 AB (HD 221839) : MEASURES

No records found.

WDS 23357-2729 (HD 221839) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 23357-2729 (HD 221839) : ALADIN DSS IMAGE @ 23^h 35^m 40.06^s -27° 29' 25.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23357-2729 SEE 492 AB (HD 221839) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		23357-2729	SEE 492	AB	47	0.7	0
Show		23357-2729	SKF2110	AC	272	162.5	0
Show		23355-2729	KPP3403	AB	135	1.3	3
Show		23357-2752	TVB 334		63	2.8	23
Show		23348-2756	WIS 388		93	19.0	29
Show		23385-2802	KPP4322		175	1.9	50
Show		23388-2802	KPP1285		62	9.8	54
Show		23339-2820	UC 4987		175	14.3	56
Show		23311-2730	SKF 160		303	2.2	61
Show		23388-2816	B 608		239	0.1	63
Show		23322-2643	HJ 3199		213	30.6	66
Show		23337-2832	RST2221		344	1.3	68
Show		23383-2631	RST1172		344	0.7	69
Show		23408-2719	RST1175		212	1.0	70
Show		23303-2714	SKF2109		299	46.2	73
Show		23402-2822	SKF2111		127	141.5	80
Show		23340-2852	LDS6404		104	6.7	86
Show		23329-2608	SKF 161	AB	23	2.4	90
Show		23397-2842	RSS 582		21	21.8	91
Show		23420-2657	TDT4153		223	0.7	91
Show		23296-2648	TDT4066		278	2.3	91
Show		23306-2831	KPP1550		65	11.7	92
Show		23291-2816	HDS3343		311	0.7	99
Show		23356-2547	LDS6041		348	16.9	103
Show		23315-2857	B 602		180	0.2	104
Show		23402-2856	TDT4143		73	0.5	106
Show		23302-2604	UC 4965		127	26.1	113
Show		23350-2922	HJ 5404		303	15.6	113
Show		23316-2549	LDS6036		169	257.0	114
Show		23441-2712	COO 259		161	6.4	115
Show		23278-2641	STN 59		211	1.5	117
Show		23384-2922	B 606		173	0.3	118
Show		23270-2703	KPP 531		167	3.7	119
Show		23276-2836	RST2218		213	2.9	126
Show		23268-2821	RST2217		63	2.1	129
Show		23456-2731	B 614		301	1.8	133
Show		23415-2540	B 611		286	2.1	135
Show		23289-2550	RST1168		123	1.2	135
Show		23432-2904	SKF2113		205	6.1	138
Show		23284-2907	UC 4959		124	22.5	138
Show		23382-2513	SEE 493	BC	266	2.2	140
Show		23445-2615	HJ 5417		318	8.1	140
Show		23307-2933	RST2220		289	0.8	140
Show		23382-2513	SEE 493	AB	221	46.0	141
Show		23336-2947	UC 4982		133	36.7	141
Show		23449-2838	LDS6057		297	194.7	141
Show		23462-2752	RST2225		155	0.3	142
Show		23403-2520	RST1174		113	3.0	144
Show		23434-2912	HJ 3209		270	10.9	145
Show		23307-2512	UC 4971		33	56.7	154
Show		23436-2923	KPP2354		136	20.2	154

WDS 23357-2729 : COMPONENTS

	A	B
B	pa=47.0° sep=0.68"
C	pa=272.3° sep=162.53"	pa=272.1° sep=163.01"

23357-2729 A

Name	HD 221839		Coord arcsec 2000	233540.06-272925.7		Mag	6.84		Spectral class	F9V (yellow-white)
PmRA	94.00		PmDE	-155.0		Tycho2	6983-01298-1

Tycho2

Tycho2	6983-01298-1	Pflag		RAmdeg	353.91689317	DEmdeg	-27.49046173
PmRA	94.1	PmDE	-154.8	E RAmdeg	4	E DEmdeg	4
E pmRA	1.4	E pmDE	1.3	EpRAm	1991.62	EpDEm	1991.51
Num	10	Q RAmdeg	1.5	Q DEmdeg	1.5	Q pmRA	1.6
Q pmDE	1.5	BTmag	7.377	E BTmag	0.015	VTmag	6.788
E VTmag	0.010	Prox	999	TYC	T	HIP	116436
CCDM	AB	RAdeg	353.91665250	DEdeg	-27.49010750	EpRA 1990	1.82
EpDE 1990	1.76	E RAdeg	3.7	E DEdeg	4.1	Posflg	P
Corr	-0.4

CCDM

Ccdm	23357-2729	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.77	DDEs	-23.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.0	Sp	F8	PmNote	*
PmRA	120	PmDE	-130	Dm number	-2818257	Cat1	CD
Name2	192020	Cat2	SAO	HD	221839	M HD
ADS BDS	A16850	M ADS BDS		N IDS		IDS	23304S2802A
HIC	116436

23357-2729 B

Coord arcsec 2000	233540.10-272925.2		Mag	9.18		PmRA	94.00		PmDE	-155.0
Delta magnitude	2.34		Coordinate calculated	yes

CCDM

Ccdm	23357-2729	RComp		Comp	B	Note1	*
Note2		Discov num	SEE 492	DRAs		DDEs
R dRAs		Year	1897	Theta		Rho
Obs	99	Vmag	8.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A16850	M ADS BDS		N IDS		IDS	23304S2802B
HIC	116436

23357-2729 C

Coord arcsec 2000	233527.86-272919.2		Mag	16.4		PmRA	94.00		PmDE	-142.0
Delta magnitude	9.56		Coordinate calculated	yes