08317-1640 LDS 222

08^h 31^m 44.39^s -16° 40' 49.2" P.A. 257.00 sep 6.8 mag 10.91,11.05 Sp K2V

Coord 2000	08317-1640	Discov num	LDS 222	Comp		Coord arcsec 2000	08 31 44.39 -16 40 49.2
Date first	1904	Date last	2018	Obs	10
Pa first	257	Pa last	256.8	P.A. Now (θ)	256.8°
Sep first	7.4	Sep last	6.75	Sep. Now (ρ)	6.75"
Mag pri	10.91	Mag sec	11.05	delta mag (ΔM)	0.14	Spectral class	K2V (yellow-orange)
Pri motion ra	-016	Sec motion ra	-025
Pri motion dec	-077	Sec motion dec	-082
Notes	V (Proper motion indicates physical)

rPM=0.12 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hydra

Tycho2

5998-00744-2

Gaia DR2

5709869234296700672

WDS 08317-1640 LDS 222 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
08317-1640	LDS 222		1998	5	257	7.1	10.91	11.05	K2V	D	083144.39-164049.2
08317-1640	LDS 222		1999	6	257	7.0	10.91	11.05	K2V	D	083144.39-164049.2
08317-1640	LDS 222		2015	8	256	7.0	10.91	11.05	K2V	V	083144.39-164049.2
08317-1640	LDS 222		2018	9	257	6.8	10.91	11.05	K2V	V	083144.39-164049.2

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

WDS 08317-1640 LDS 222 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08317-1640 LDS 222 : MEASURES

No records found.

WDS 08317-1640 : VIRTUAL EYEPIECE

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WDS 08317-1640 : ALADIN DSS IMAGE @ 08^h 31^m 44.39^s -16° 40' 49.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08317-1640 LDS 222 : 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		08317-1640	LDS 222		257	6.8
Show		08320-1653	TOI 575	AB	14	0.6	13
Show		08320-1653	TOI 575	AC	262	5.4	13
Show		08332-1657	J 2059		48	6.7	26
Show		08307-1610	GWP1027		170	15.3	34
Show		08296-1704	GWP1026	AB	33	35.2	38
Show		08328-1559	KPP2258		311	18.8	45
Show		08289-1552	RST4403		256	1.4	64
Show		08291-1546	A 3060		105	5.3	67
Show		08287-1732	ARG 20		173	15.0	67
Show		08322-1750	GWP1034		271	10.1	70
Show		08352-1550	J 1525		147	8.0	71
Show		08283-1736	GWP1023		6	18.0	75
Show		08361-1553	BRT 573		75	4.6	80
Show		08327-1521	BRT 572		275	4.3	81
Show		08289-1752	RST3595		133	0.8	83
Show		08259-1623	HDS1199		142	0.6	87
Show		08349-1759	TVB 196		158	17.3	91
Show		08366-1540	GWP1049		102	7.8	93
Show		08325-1817	ARA 215		47	9.2	98
Show		08251-1613	HJ 786		297	12.1	100
Show		08326-1502	B 2528		204	0.3	100
Show		08264-1745	ARA 213		138	24.2	100
Show		08274-1523	TDS5836		163	1.6	101
Show		08319-1821	FEN 15		163	5.2	101
Show		08301-1821	HJ 4100		180	22.4	103
Show		08381-1736	KPP1505		119	11.4	107
Show		08246-1711	LDS3789		88	16.8	108
Show		08276-1511	RST4400		9	2.2	109
Show		08380-1750	GWP1053		303	39.0	114
Show		08247-1731	J 2058		329	6.8	114
Show		08392-1602	A 3063	AB	310	0.5	114
Show		08392-1602	A 3063	AB,C	236	12.6	114
Show		08240-1548	RST4396		146	0.9	124
Show		08358-1452	RST3598		252	2.1	125
Show		08295-1845	B 2659		173	18.6	129
Show		08232-1720	ARA 212		271	9.8	130
Show		08409-1619	ALD 38		250	1.4	134
Show		08282-1438	J 2641		145	6.0	135
Show		08408-1605	GWP1065		151	130.2	136
Show		08409-1720	A 3065		280	0.3	138
Show		08227-1555	HDS1194		193	0.2	138
Show		08413-1646	GWP1067		293	561.3	138
Show		08338-1424	A 2366	BC	42	0.6	140
Show		08338-1424	A 2366	A,BC	139	65.2	141
Show		08412-1602	TOI 564		74	0.7	142
Show		08366-1846	ARA 402		152	11.8	143
Show		08399-1802	J 2061		30	5.5	144
Show		08216-1646	RST3588		242	1.8	146
Show		08389-1825	TDS6007		102	0.7	147
Show		08233-1804	BHA 56		271	18.6	147

WDS 08317-1640 : COMPONENTS

	A
B	pa=256.2° sep=6.48"

08317-1640 A

Componente originario normalizzato	AB		Coord arcsec 2000	083144.39-164049.2		Mag	10.91		Spectral class	K2V (yellow-orange)
PmRA	-16.00		PmDE	-77.0		Tycho2	5998-00744-2

Tycho2

Tycho2	5998-00744-2	Pflag		RAmdeg	127.93495233	DEmdeg	-16.68034496
PmRA	-20.7	PmDE	-81.0	E RAmdeg	47	E DEmdeg	55
E pmRA	2.3	E pmDE	2.4	EpRAm	1986.43	EpDEm	1984.36
Num	3	Q RAmdeg	0.4	Q DEmdeg	0.2	Q pmRA	0.4
Q pmDE	0.2	BTmag	11.801	E BTmag	0.094	VTmag	10.913
E VTmag	0.074	Prox	71	TYC	T	HIP
CCDM		RAdeg	127.93500194	DEdeg	-16.68015444	EpRA 1990	1.70
EpDE 1990	1.53	E RAdeg	49.1	E DEdeg	58.4	Posflg
Corr	-0.1

08317-1640 B

Componente originario normalizzato	AB		Coord arcsec 2000	083143.95-164050.7		Mag	11.05		PmRA	-25.00
PmDE	-82.0		Tycho2	5998-00744-1		Calc delta mag	0.14		Calc coord	yes

Tycho2

Tycho2	5998-00744-1	Pflag		RAmdeg	127.93295974	DEmdeg	-16.68082734
PmRA	-17.7	PmDE	-84.5	E RAmdeg	50	E DEmdeg	58
E pmRA	2.3	E pmDE	2.4	EpRAm	1985.80	EpDEm	1983.66
Num	3	Q RAmdeg	0.7	Q DEmdeg	1.4	Q pmRA	0.7
Q pmDE	1.4	BTmag	11.757	E BTmag	0.095	VTmag	11.051
E VTmag	0.084	Prox	71	TYC	T	HIP
CCDM		RAdeg	127.93300222	DEdeg	-16.68062889	EpRA 1990	1.69
EpDE 1990	1.52	E RAdeg	51.8	E DEdeg	61.4	Posflg
Corr	-0.1