20042-7526 RSS 539 (DD Oct)

20^h 04^m 13.31^s -75° 26' 21.6" P.A. 274.00 sep 21.8 mag 9.67,13.00 Sp F2V dist. 142.86 pc (466.01 l.y.)

Coord 2000	20042-7526	Discov num	RSS 539	Comp		Coord arcsec 2000	20 04 13.31 -75 26 21.6
Date first	1975	Date last	2015	Obs	5
Pa first	277	Pa last	273.8	P.A. Now (θ)	273.8°
Sep first	21.4	Sep last	21.756	Sep. Now (ρ)	21.756"
Mag pri	9.67	Mag sec	13.00	delta mag (ΔM)	3.33	Spectral class	F2V (yellow-white)
Pri motion ra	-004	Sec motion ra	-079
Pri motion dec	+013	Sec motion dec	+082
Notes

rPM=0.895

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	DD Oct	Constellation	Octans	HIP	98832	Tycho2	9460-00186-1
Gaia DR2	6366727170175711104	HD	188749	CP	CP-75 1566	Distance	142.86
Distance ly	466.01

WDS 20042-7526 RSS 539 (DD Oct) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Rss1996	Pa -	Rousseau, J.M., Perie, J.P., & Gachard, M.T.	1996A&AS..116..301R
Rss1996		A&AS 116, 301, 1996

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20042-7526	RSS 539		2000	2	275	21.7	9.67	13.00	F2V	D	200413.31-752621.6
20042-7526	RSS 539		2010	4	274	21.6	9.67	13.00	F2V		200413.31-752621.6
20042-7526	RSS 539		2015	5	274	21.8	9.67	13.00	F2V		200413.31-752621.6

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

WDS 20042-7526 RSS 539 (DD Oct) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20042-7526 RSS 539 (DD Oct) : MEASURES

No records found.

WDS 20042-7526 (DD Oct) : VIRTUAL EYEPIECE

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

WDS 20042-7526 (DD Oct) : ALADIN DSS IMAGE @ 20^h 04^m 13.31^s -75° 26' 21.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20042-7526 RSS 539 (DD Oct) : 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		20042-7526	RSS 539		274	21.8	1
Show		20060-7533	TDT1974		118	0.5	10
Show		20019-7506	RST3243		154	1.0	22
Show		19594-7557	UC 4061		271	19.1	36
Show		20179-7526	KPP 560		235	5.3	52
Show		20077-7435	HJ 5158		145	12.1	54
Show		20169-7449	I 1045		289	1.1	62
Show		19564-7628	TDT1864		344	1.5	68
Show		20194-7608	RSS 546		127	22.7	70
Show		19590-7341	HEI 576		100	0.7	108
Show		20008-7320	KPP3058		17	8.1	127
Show		19500-7331	KPP4171		62	2.7	129
Show		19504-7742	LDS 684		357	24.0	144
Show		19515-7256	TVB 312		6	6.8	160
Show		20202-7257	TDT2184		4	1.2	164
Show		20133-7246	TDT2099		24	2.3	165
Show		20203-7255	B 1892		272	3.7	165
Show		20198-7254	TDT2173		216	0.5	166
Show		19512-7248	HJ 5137	AB	208	25.7	168
Show		19512-7248	HJ 5137	AC	314	49.1	168
Show		19512-7248	SHY 760	AD	87	999.9	168
Show		19512-7248	TOK 697	Aa,Ab	250	0.0	168
Show		19461-7810	TDT1720		266	0.6	175
Show		20080-7212	HEI 402		219	2.0	196
Show		20056-7842	RST3244		265	0.4	197
Show		20040-7847	HJ 5149		148	32.2	201
Show		20172-7849	RST3249		311	0.4	207
Show		20118-7157	KPP1459		129	11.0	213
Show		20103-7907	HJ 5153		125	47.2	222
Show		20206-7904	UC 4152		78	64.5	225
Show		20086-7133	I 1042		95	0.8	234
Show		20099-7133	HEI 403		228	2.6	235
Show		19596-7131	HEI 401		341	1.2	237
Show		20196-7133	UC 4147		96	20.2	242
Show		19490-7926	HJ 5126		325	6.6	245
Show		19548-7120	FIN 274		234	2.9	250
Show		20185-7112	LDS 705		246	310.9	263
Show		19445-7945	UC 4016		84	20.4	267
Show		20224-7112	HEI 404		351	0.6	267
Show		20179-7103	TDT2150		81	0.4	270
Show		20017-7052	TDT1922		312	0.5	275
Show		19588-8001	TSN 33		258	6.7	275
Show		20079-7049	HJ 5162		290	6.6	278
Show		19541-7049	TDT1835		354	0.6	281
Show		20191-7052	HJ 5176	AB	119	6.6	283
Show		20191-7052	BAU 61	AC	160	13.1	283
Show		20191-7052	BAU 61	AD	184	33.2	283
Show		19576-7045	TDT1877		312	0.4	283
Show		20205-8007	TDT2191		240	0.5	286
Show		19473-7031	TDT1751		121	0.4	305

WDS 20042-7526 : COMPONENTS

	A
B	pa=284.8° sep=5.64"

20042-7526 A

Componente originario normalizzato	AB	Name	DD Oct	Coord arcsec 2000	200413.31-752621.6	Mag	9.67
Spectral class	F2V (yellow-white)	PmRA	-4.00	PmDE	13.0	HIP	98832
Tycho2	9460-00186-1	HD	188749	CP	CP-75 1566

Tycho2

Tycho2	9460-00186-1	Pflag		RAmdeg	301.05540648	DEmdeg	-75.43928456
PmRA	-5.9	PmDE	12.9	E RAmdeg	13	E DEmdeg	11
E pmRA	1.6	E pmDE	1.5	EpRAm	1989.97	EpDEm	1989.78
Num	7	Q RAmdeg	0.5	Q DEmdeg	0.8	Q pmRA	0.5
Q pmDE	0.8	BTmag	10.187	E BTmag	0.024	VTmag	9.753
E VTmag	0.021	Prox	999	TYC	T	HIP	98832
CCDM		RAdeg	301.05546250	DEdeg	-75.43931500	EpRA 1990	1.61
EpDE 1990	1.73	E RAdeg	13.4	E DEdeg	12.1	Posflg
Corr	0.0

Hipparcos

Catalog	H	HIP	98832	Proxy		RAhms	20 04 13.31
DEdms	-75 26 21.6	Vmag	9.69	VarFlag	2	R Vmag	H
RAdeg	301.055	DEdeg	-75.4393	AstroRef		Plx	5.71
CCDM	20042-7526	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	188749	BD
CD		CP	CP-75 1566	Dm number	-75 1566	VIred	0.47
SpType	F2V	R SpType		Coord arcsec 2000	200413.31-752621.6

Hipparcos 2

HIP	98832	Sn	5	So	0	Nc	1
RArad	5.2544090829	DErad	-1.3166645367	Plx	7	PmRA	-2.78
PmDE	12.77	E RArad	0.86	E DErad	0.76	E Plx	1.19
E pmRA	1.1	E pmDE	0.92	Hpmag	9.7972	E Hpmag	0.0034
SHp	0.045	VA	2	BV	0.459	E BV	0.024
VI	0.53

CCDM

Ccdm	20042-7526	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.30	DDEs	-21.1
R dRAs	40	Year		Theta		Rho
Obs	2	Vmag	9.8	Sp	F2	PmNote
PmRA	10	PmDE	28	Dm number	-75 1566	Cat1	CPD
Name2		Cat2		HD	188749	M HD
ADS BDS		M ADS BDS		N IDS	*	IDS	19516S7543A
HIC	98832

20042-7526 B

Componente originario normalizzato	AB		Coord arcsec 2000	200411.86-752620.2		Mag	13		PmRA	-79.00
PmDE	82.0		Calc delta mag	3.33		Calc coord	yes

CCDM

Ccdm	20042-7526	RComp		Comp	B	Note1
Note2		Discov num	RSU	DRAs	-4.42	DDEs	-19.6
R dRAs	40	Year	1975	Theta	277	Rho	21.4
Obs	1	Vmag	13.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	*	IDS	19516S7543B
HIC