17331-3035 CHM 6 AB

17^h 33^m 06.12^s -30° 35' 07.9" P.A. 255.00 sep 4.8 mag 13.80,13.80 Sp M2.5+M3.5

Coord 2000	17331-3035	Discov num	CHM 6	Comp	AB	Coord arcsec 2000	17 33 06.12 -30 35 07.9
Date first	1998	Date last	2021	Obs	14
Pa first	255	Pa last	254.8	P.A. Now (θ)	254.8°
Sep first	4.6	Sep last	4.791	Sep. Now (ρ)	4.791"
Mag pri	13.80	Mag sec	13.80	delta mag (ΔM)	0	Spectral class	M2.5+M3.5 (red/red)
Pri motion ra	-045	Sec motion ra	-149
Pri motion dec	-104	Sec motion dec	-140
Notes	N (See Notes)

rPM=0.538

Nature of this double is uncertain.

17331-3035 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			17 33 06 -30 35 08	CHM 6 AB	2021	14	255	4.8	13.80	13.80	0.00		<===
Show			17 33 06 -30 35 09	CHM 6 BC	2020	2	306	3.1	12.50	18.20	5.70

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Scorpius

WDS 17331-3035 CHM 6 AB : NOTES

discov_num	notes	refcode
CHM 6	NLTT 44988 + 44989.

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17331-3035	CHM 6	AB	2020	12	255	4.9	13.80	13.80	M2.5+M3.5	N	173306.12-303507.9
17331-3035	CHM 6	AB	2021	14	255	4.8	13.80	13.80	M2.5+M3.5	N	173306.12-303507.9

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

WDS 17331-3035 CHM 6 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17331-3035 CHM 6 AB : MEASURES

No records found.

WDS 17331-3035 : 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 17331-3035 : ALADIN DSS IMAGE @ 17^h 33^m 06.12^s -30° 35' 07.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17331-3035 CHM 6 AB : 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		17331-3035	CHM 6	AB	255	4.8
Show		17331-3035	CHM 6	BC	306	3.1	1
Show		17336-3032	B 346		189	0.3	7
Show		17336-3025	RST1971		57	0.3	12
Show		17330-3023	SKF2061	AB	313	5.4	13
Show		17330-3023	SKF2061	AC	173	17.1	13
Show		17323-3028	HLD 29		227	1.9	13
Show		17321-3028	TDT 401		226	1.6	15
Show		17316-3041	LDS 602		315	8.5	20
Show		17316-3018	I 105		169	1.7	27
Show		17333-3108	B 1336		114	2.0	34
Show		17351-3008	RST1974		341	0.2	39
Show		17355-3009	BRT3046		74	6.4	41
Show		17316-2958	B 345		115	0.6	43
Show		17336-2942	RST1972		69	0.5	54
Show		17313-3123	RST1964		207	3.1	54
Show		17300-3116	PRO 167		260	11.7	57
Show		17353-2942	DBR 183		67	4.3	61
Show		17354-2942	DBR 184		339	3.2	61
Show		17355-2942	DBR 185	AB	16	8.0	62
Show		17355-2942	DBR 185	AC	93	8.8	62
Show		17287-3107	PRO 163		17	6.9	65
Show		17353-2937	DBR 182		299	4.0	65
Show		17301-3128	PRO 168		19	5.7	66
Show		17281-3022	RST1960		18	1.3	67
Show		17361-2941	DBR 190		60	4.5	67
Show		17363-2943	DBR 192		145	2.0	67
Show		17360-2937	DBR 189		134	2.4	70
Show		17356-2933	DBR 186		120	4.9	70
Show		17357-2933	DBR 187		210	3.5	71
Show		17372-3123	HDS2487		3	0.3	72
Show		17358-2932	DBR 188		344	3.6	72
Show		17372-3125	B 1338		19	0.3	73
Show		17378-2959	LDS6322		195	1.8	73
Show		17282-3112	PRO 162		121	14.9	74
Show		17314-3147	PRO 170		169	19.0	75
Show		17362-2931	DBR 191		29	5.3	76
Show		17292-3132	FGS 30	AB	201	0.0	76
Show		17292-3132	SNA 72	AC	316	1.8	76
Show		17292-3132	SNA 72	AD	1	5.0	76
Show		17292-3132	SNA 72	AE	65	6.7	76
Show		17363-2931	DBR 193		297	3.8	77
Show		17388-3008	RSS 454	AB	233	8.0	79
Show		17354-3149	COO 215		357	8.0	80
Show		17297-3143	PRO 165		202	3.5	81
Show		17342-3155	LPO 63		123	5.1	82
Show		17289-2936	B 341		248	0.4	82
Show		17296-3146	RST1962		181	1.6	84
Show		17272-2957	B 340		304	0.6	86
Show		17397-3054	RST1976		204	0.3	87
Show		17349-2909	HDS2483		97	0.6	90

WDS 17331-3035 : COMPONENTS

	A	B
B	pa=251.6° sep=4.76"
C	pa=272.9° sep=6.67"	pa=310.6° sep=2.82"

17331-3035 A

Coord arcsec 2000	173306.12-303507.9		Mag	13.8		Spectral class	M2.5 (red)		PmRA	-45.00
PmDE	-104.0

17331-3035 B

Coord arcsec 2000	173305.77-303509.4		Coord calc	173305.77-303509.4		Mag	12.5		Spectral class	M3.5 (red)
PmRA	-149.00		PmDE	-140.0		Calc delta mag	1.3

17331-3035 C

Coord arcsec 2000

173305.60-303507.6

Mag

18.2

Calc delta mag

4.4

Calc coord

yes