16274-3729 B 872 (V1055 Sco)

16^h 27^m 26.22^s -37° 28' 37.0" P.A. 182.00 sep 0.2 mag 9.33,9.68 Sp G3V dist. 99.11 pc (323.3 l.y.)

Coord 2000	16274-3729	Discov num	B 872	Comp		Coord arcsec 2000	16 27 26.22 -37 28 37.0
Date first	1925	Date last	2021	Obs	16
Pa first	310	Pa last	182.2	P.A. Now (θ)	182.2°
Sep first	0.5	Sep last	0.201	Sep. Now (ρ)	0.201"
Mag pri	9.33	Mag sec	9.68	delta mag (ΔM)	0.35	Spectral class	G3V (yellow)
Pri motion ra	-038	Sec motion ra
Pri motion dec	-043	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	V1055 Sco	Constellation	Scorpius	SAO	207677	HIP	80603
Tycho2	7356-00476-1	Gaia DR2	6018806403711991296	HD	148121	CD	CD-3710800
CP	CP-37 6670	Distance	99.11	Distance ly	323.3

ORBITAL ELEMENTS

Period (P)	179.4y	Periastron (T)	1977.7y	Semi-major axis (a)	0.398a
Eccentricity (e)	0.508	Inclination (i)	108.6°	Longitude of periastron (ω)	146.3°
Node (Ω)	132.9°	Notes	n	Reference	Tok2020g
Equinox	2000	Last observation	2018	Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	270.9	0.152
2001	267.0	0.146
2002	262.8	0.142
2003	258.3	0.138
2004	253.6	0.134
2005	248.6	0.132
2006	243.5	0.130
2007	238.3	0.129
2008	233.0	0.129
2009	227.7	0.129
2010	222.6	0.131
2011	217.6	0.134
2012	212.9	0.137
2013	208.4	0.142
2014	204.2	0.147
2015	200.3	0.152
2016	196.6	0.158
2017	193.3	0.165
2018	190.2	0.172
2019	187.3	0.179
2020	184.7	0.186
2021	182.3	0.194
2022	180.1	0.202
2023	178.0	0.210
2024	176.1	0.218
2025	174.3	0.226
2026	172.7	0.235
2027	171.2	0.243
2028	169.7	0.251
2029	168.4	0.260
2030	167.1	0.268

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

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

WDS 16274-3729 B 872 (V1055 Sco) : NOTES

discov_num	notes	refcode
B 872	Primary is eclipsing binary V1055 Sco (period 0.36367 day).	Zas2010

REFERENCES

refcode	metd	author	reference
Tok2020g	orb -	Tokovinin, A.	2020IAUDS.201....1A
Tok2020g		Inf. Circ. 201, 1, 2020
Zas2010	-	Zasche, P.	...................
Zas2010		private communication, 2010

DISCOVERER

idgroup	discov	author
1	B	van den Bos, W.H.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16274-3729	B 872		1991	12	295	0.2	9.33	9.68	G3V		162726.22-372837.0
16274-3729	B 872		2010	13	217	0.1	9.33	9.68	G3V	N	162726.22-372837.0
16274-3729	B 872		2017	14	192	0.2	9.33	9.68	G3V	N	162726.22-372837.0
16274-3729	B 872		2018	15	10	0.2	9.33	9.68	G3V	N	162726.22-372837.0
16274-3729	B 872		2021	16	182	0.2	9.33	9.68	G3V	NO	162726.22-372837.0

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

WDS 16274-3729 B 872 (V1055 Sco) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16274-3729 B 872 (V1055 Sco) : MEASURES

No records found.

WDS 16274-3729 (V1055 Sco) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 16274-3729 (V1055 Sco) : ALADIN DSS IMAGE @ 16^h 27^m 26.22^s -37° 28' 37.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16274-3729 B 872 (V1055 Sco) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		16274-3729	B 872		182	0.2
Show		16264-3754	TDS9902		223	1.4	29
Show		16245-3734	B 868	AB	283	0.0	36
Show		16245-3734	SHT 65	AB,C	125	4.5	36
Show		16249-3755	HJ 4852		142	13.3	40
Show		16248-3800	KPP1899		167	14.9	45
Show		16228-3708	SKF2053		225	7.4	60
Show		16305-3634	WSI 133		247	2.1	66
Show		16320-3647	JSP 693		136	0.6	69
Show		16246-3625	BRT1700		151	4.1	73
Show		16202-3734	LDS6312		227	3.7	88
Show		16306-3849	I 1294		219	1.2	89
Show		16223-3843	YMG 79		318	0.8	96
Show		16269-3550	JSP 692		205	2.1	99
Show		16356-3707	SEE 280		272	5.9	100
Show		16359-3722	SKF2055		196	13.0	102
Show		16279-3547	RSS 405		300	11.8	102
Show		16315-3901	HDS2335	AB	221	4.1	104
Show		16315-3901	HDS2335	Aa,Ab	179	0.0	104
Show		16267-3539	B 871		257	0.4	111
Show		16240-3912	RAG 8		248	345.0	111
Show		16303-3915	TDS9937		90	0.4	112
Show		16218-3904	ALD 61		69	4.5	115
Show		16184-3634	B 2383		191	7.3	122
Show		16216-3926	HDS2311		267	0.6	137
Show		16391-3713	FIN 340	AB	109	0.1	140
Show		16391-3713	HJ 4870	AB,C	10	34.6	140
Show		16205-3926	I 91		292	19.6	143
Show		16396-3716	RST3955		314	3.7	146
Show		16165-3844	JNN 228		294	2.7	150
Show		16261-3459	HWE 83		105	1.7	151
Show		16262-3457	B 870		130	3.1	153
Show		16404-3738	B 876		78	4.0	155
Show		16193-3529	SEE 272		271	0.2	155
Show		16333-3510	LDS 564		223	14.7	156
Show		16215-3951	KPP3012		313	6.6	159
Show		16387-3605	HDS2358		66	8.6	160
Show		16218-3953	RST1886	BC	270	1.3	160
Show		16218-3953	RST1886	AB	67	10.8	160
Show		16380-3917	FIN 29		286	3.1	165
Show		16147-3839	I 559		43	2.2	166
Show		16382-3542	NSN 389		177	10.8	169
Show		16314-4014	WG 189		253	5.4	172
Show		16317-4013	TDS9952	Aa,Ab	290	0.4	173
Show		16317-4013	B 2813	AB	105	12.9	173
Show		16317-4013	DAM 696	AC	63	10.9	173
Show		16409-3836	I 1299	AB	192	0.7	174
Show		16409-3836	I 1299	AC	272	7.8	174
Show		16235-3440	SKF1238		116	73.0	176
Show		16422-3801	TDT 39		242	0.7	179
Show		16189-3957	SKF2052		137	33.9	179

WDS 16274-3729 : COMPONENTS

	A
B	pa=181.7° sep=0.20"

16274-3729 A

Componente originario normalizzato	AB	Var name	V1055 Sco	Coord arcsec 2000	162726.22-372837.0	Mag	9.33
Spectral class	G3V (yellow)	PmRA	-38.00	PmDE	-43.0	SAO	207677
HIP	80603	Tycho2	7356-00476-1	HD	148121	CD	CD-3710800
CP	CP-37 6670

Tycho2

Tycho2	7356-00476-1	Pflag		RAmdeg	246.85913298	DEmdeg	-37.47702777
PmRA	-39.8	PmDE	-36.9	E RAmdeg	7	E DEmdeg	10
E pmRA	1.2	E pmDE	1.2	EpRAm	1990.63	EpDEm	1989.39
Num	14	Q RAmdeg	1.3	Q DEmdeg	1.0	Q pmRA	1.4
Q pmDE	1.1	BTmag	9.420	E BTmag	0.020	VTmag	8.715
E VTmag	0.014	Prox	999	TYC	T	HIP	80603
CCDM	AB	RAdeg	246.85924778	DEdeg	-37.47693833	EpRA 1990	1.69
EpDE 1990	1.25	E RAdeg	7.2	E DEdeg	9.5	Posflg	P
Corr	0.2

SAO

SAO	207677	DelFlag		RA1950		PmRA1950	-0.004
DE1950		PmDE1950	-0.018	Vmag	8.5	SpType	G5
Double code		Source	41	CatNum	8131	DM	CD-3710800
DMcomp		BDsup		HD	148121	M HD	0
GC		RA1950rad	4.29392582	DE1950rad	-0.65214261	PmRA2000	-0.004
PmDE2000	-0.016

Hipparcos

Catalog	H	HIP	80603	Proxy	H	RAhms	16 27 26.22
DEdms	-37 28 37.0	Vmag	8.6	VarFlag	2	R Vmag	H
RAdeg	246.859	DEdeg	-37.4769	AstroRef	*	Plx	11.45
CCDM	16274-3729	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	B	M HIP	AB
Theta	297	Rho	0.2	HD	148121	BD
CD	CD-3710800	CP	CP-37 6670	Dm number	-3710800	VIred	0.68
SpType	G3V	R SpType		Coord arcsec 2000	162726.22-372837.0

Hipparcos 2

HIP	80603	Sn	55	So	3	Nc	2
RArad	4.3085067547	DErad	-0.654095976	Plx	10.09	PmRA	-44.98
PmDE	-34.34	E RArad	1.58	E DErad	0.98	E Plx	1.73
E pmRA	1.81	E pmDE	1.37	Hpmag	8.7385	E Hpmag	0.0285
SHp	0.128	VA	1	BV	0.654	E BV	0.017
VI	0.72

CCDM

Ccdm	16274-3729	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.17	DDEs	24.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	G5	PmNote	*
PmRA	-48	PmDE	-18	Dm number	-3710800	Cat1	CD
Name2	207677	Cat2	SAO	HD	148121	M HD
ADS BDS		M ADS BDS		N IDS		IDS	16208S3715A
HIC	80603

16274-3729 B

Componente originario normalizzato	AB		Coord arcsec 2000	162726.22-372837.2		Mag	9.68		Calc delta mag	0.35
Calc coord	yes

CCDM

Ccdm	16274-3729	RComp		Comp	B	Note1
Note2		Discov num	B 872	DRAs		DDEs
R dRAs		Year	1960	Theta	292	Rho	0.2
Obs	6	Vmag	9.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	16208S3715B
HIC	80603