16271-2440 ALO 4

16^h 27^m 07.90^s -24° 40' 18.0" P.A. 354.00 sep 7.7 mag 16.70,20.00

Coord 2000	16271-2440	Discov num	ALO 4	Comp		Coord arcsec 2000	16 27 07.90 -24 40 18.0
Date first	1998	Date last	1998	Obs	1
Pa first	354	Pa last	354	P.A. Now (θ)	354°
Sep first	7.7	Sep last	7.7	Sep. Now (ρ)	7.7"
Mag pri	16.70	Mag sec	20.00	delta mag (ΔM)	3.3	Spectral class
Pri motion ra		Sec motion ra
Pri motion dec		Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ophiuchus

WDS 16271-2440 ALO 4 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
ALo2002	Hn j	Allen, L.E., Myers, P.C., Di Francesco, J., Mathieu, R., Chen, H., & Young, E.	2002ApJ...566..993A
ALo2002		ApJ 566, 993, 2002

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16271-2440	ALO 4		1998	1	354	7.7	16.70	20.00			162707.90-244018.0

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WDS 16271-2440 ALO 4 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16271-2440 ALO 4 : MEASURES

No records found.

WDS 16271-2440 : VIRTUAL EYEPIECE

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WDS 16271-2440 : ALADIN DSS IMAGE @ 16^h 27^m 07.90^s -24° 40' 18.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16271-2440 ALO 4 : 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		16271-2440	ALO 4		354	7.7	1
Show		16273-2439	YLW 11	AB	102	58.0	2
Show		16273-2439	RES 1	CD	353	2.3	3
Show		16273-2439	RIE 1	BC	270	3.2	3
Show		16273-2439	RES 1	BD	52	3.7	3
Show		16273-2442	CST 8	AB	78	0.1	3
Show		16273-2442	ALO 7	AB,C	163	8.8	3
Show		16273-2442	ALO 7	AB,D	3	4.4	3
Show		16273-2442	YLW 13	AB,E	96	26.7	3
Show		16273-2442	ALO 7	Ca,Cb	-1	0.3	4
Show		16274-2441	GRT 1	Aa,Ab	334	0.6	5
Show		16274-2441	ALO 10	AB	323	7.2	5
Show		16275-2440	YLW 16	AB	102	24.0	5
Show		16275-2440	TER 2	Aa,Ab	267	0.3	5
Show		16268-2438	BNY 2		291	3.6	5
Show		16270-2436	YLW 4	AB	308	29.6	5
Show		16270-2436	YLW 4	AC	2	58.1	5
Show		16270-2436	YLW 4	BC	32	47.2	6
Show		16270-2446	COR 8	Ba,Bb	241	0.1	6
Show		16270-2446	CST 6	Aa,Ab	38	0.1	6
Show		16270-2446	HER 17	AB	349	5.1	6
Show		16267-2440	RAT 7		259	0.1	7
Show		16276-2438	DCH 79		84	6.3	7
Show		16276-2439	DCH 80		102	3.3	8
Show		16277-2443	DCH 81		10	1.6	8
Show		16277-2439	DCH 82	AB	100	6.4	9
Show		16277-2439	DCH 82	AC	80	8.1	9
Show		16277-2439	DCH 82	AD	254	9.8	9
Show		16265-2438	CST 4		255	0.4	9
Show		16275-2433	DCH 78		196	7.6	10
Show		16275-2431	CST 10	Aa,Ab	353	0.5	11
Show		16275-2431	DCH 77	AB	314	8.8	11
Show		16279-2441	AGE 8		251	0.4	11
Show		16274-2430	ALO 8	AB	84	6.0	12
Show		16280-2440	RAT 15		277	0.2	12
Show		16274-2430	ALO 9	CD	313	8.5	12
Show		16273-2429	RAT 12	Ca,Cb	284	0.2	12
Show		16272-2452	BOV 55		302	10.2	12
Show		16273-2429	YLW 12	AB	66	8.6	12
Show		16273-2429	YLW 12	AC	128	15.8	12
Show		16273-2429	YLW 12	AD	61	25.5	12
Show		16279-2446	DCH 85	AB	256	6.2	12
Show		16279-2446	DCH 85	AC	261	8.7	12
Show		16276-2431	HCH 5		122	15.3	12
Show		16271-2429	CST 7		321	0.8	12
Show		16269-2429	DCH 74		205	9.3	12
Show		16280-2436	DCH 86	AB	116	6.8	13
Show		16280-2436	DCH 86	AC	113	7.2	13
Show		16278-2432	DCH 83	AB	161	2.2	13
Show		16278-2432	DCH 83	AC	56	3.3	13
Show		16268-2428	BNY 1		341	4.4	13

WDS 16271-2440 : COMPONENTS

	A
B	pa=354.5° sep=7.69"

16271-2440 A

Componente originario normalizzato

Coord arcsec 2000

162707.90-244018.0

Mag

16.7

16271-2440 B

Componente originario normalizzato	AB		Coord arcsec 2000	162707.85-244010.3		Mag	20		Calc delta mag	3.3
Calc coord	yes