16252-2319 GHE 21

16^h 25^m 10.52^s -23° 19' 13.8" P.A. 32.00 sep 0.8 mag 9.50,10.20 Sp K4

Coord 2000	16252-2319	Discov num	GHE 21	Comp		Coord arcsec 2000	16 25 10.52 -23 19 13.8
Date first	1990	Date last	2004	Obs	10
Pa first	27	Pa last	31.6	P.A. Now (θ)	31.6°
Sep first	0.7	Sep last	0.779	Sep. Now (ρ)	0.779"
Mag pri	9.50	Mag sec	10.20	delta mag (ΔM)	0.7	Spectral class	K4 (yellow-orange)
Pri motion ra	-015	Sec motion ra
Pri motion dec	-029	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

Gaia DR2

6050959112987312000

WDS 16252-2319 GHE 21 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ghe1991	Si j	Ghez, A.M., Neugebauer, G., Gorham, P.W., Haniff, C.A., Kulkarni, S.R., Matthews,	1991AJ....102.2066G
Ghe1991	+Ss	K., Koresko, C., & Beckwith, S.
Ghe1991		AJ 102, 2066, 1991
Ghe1993	Si j	Ghez, A.M., Neugebauer, G., & Matthews, K.	1993AJ....106.2005G
Ghe1993		AJ 106, 2005, 1993
Ghe1994	Ci j	Ghez, A.M., Emerson, J.P., Graham, J.R., Meixner, M., & Skinner, C.J.	1994ApJ...434..707G
Ghe1994		ApJ 434, 707, 1994
Ghe1995	Si j	Ghez, A.M., Weinberger, A.J., Neugebauer, G., Matthews, K., & McCarthy, D.W., Jr.	1995AJ....110..753G
Ghe1995		AJ 110, 753, 1995
Ghe1997a	Si j	Ghez, A.M., McCarthy, D.W., Patience, J.L., & Beck, T.L.	1997ApJ...481..378G
Ghe1997a	+Ci	ApJ 481, 378, 1997
Ghe1997b	Hp j	Ghez, A.M., White, R.J., & Simon, M.	1997ApJ...490..353G
Ghe1997b		ApJ 490, 353, 1997 (most data also in Wht2001)	2001ApJ...556..265W
Ghe2000	Si -	Ghez, A.M., Morris, M., Becklin, E., Tanner, A., & Kremenek, T.	2000Natur.407..349G
Ghe2000		Nature 407, 349, 2000
Ghe2000		(Keck 9.8m + NIRC IR camera)
Ghe2003	orb -	Ghez, A.M., Duchene, G., Matthews, K., Hornstein, S.D., Tanner, A., Larkin, J.,	2003ApJ...586L.127G
Ghe2003		Morris, M., Becklin, E.E., et al.
Ghe2003		ApJ 586, L127, 2003
Ghe2005	S u	Ghez, A.M., Salim, S., Hornstein,S.D., Tanner, A., Lu, J.R., Morris, M.,	2005ApJ...620..744G
Ghe2005	+Si	Becklin, E.E., & Duchene, G.
Ghe2005	+orb	ApJ 620, 744, 2005
Ghe2016	orb u	Boehle, A., Ghez, A.M., Schodel, R., Meyer, L., Yelda, S., Albers, S.,	2016ApJ...830...17B
Ghe2016	+A	Martinez, G.D., Becklin, E.E., Do, T., Lu, J.R., Matthews, K., Morris, M., et al.
Ghe2016	+Si	ApJ 830, 17, 2016

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16252-2319	GHE 21		2004	4	32	0.8	13.41			D	162510.52-231913.8

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

WDS 16252-2319 GHE 21 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16252-2319 GHE 21 : MEASURES

No records found.

WDS 16252-2319 : 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 16252-2319 : ALADIN DSS IMAGE @ 16^h 25^m 10.52^s -23° 19' 13.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16252-2319 GHE 21 : 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		16252-2319	GHE 21		32	0.8	1
Show		16256-2327	KOU 63	CF	206	4.8	8
Show		16256-2327	BU 1115	DE	196	0.3	9
Show		16256-2327	H 2 19	AB	335	3.0	10
Show		16256-2327	H 2 19	AC		151.1	10
Show		16256-2327	H 2 19	AD	253	156.1	10
Show		16263-2343	RAT 5		265	2.5	29
Show		16266-2346	REP 39		132	2.2	33
Show		16231-2301	IRE 15	AB	74	5.2	34
Show		16231-2301	IRE 15	AC	81	16.1	34
Show		16228-2326	PRA 6	Aa,Ab	281	0.1	34
Show		16228-2326	PRA 6	AB	80	1.1	34
Show		16228-2326	PRA 6	AC	180	13.0	34
Show		16229-2307	BU 624		325	1.4	35
Show		16254-2356	CST 1		347	0.4	37
Show		16259-2356	AGE 6		353	0.2	38
Show		16249-2240	KSA 129	Aa,Ab	30	0.0	40
Show		16249-2240	KSA 129	AB	339	6.0	40
Show		16260-2400	SHN 213		-1	0.3	44
Show		16236-2402	CLO 9		218	1.7	49
Show		16218-2333	K2 31	AC	128	8.4	49
Show		16263-2407	CHT 2		299	0.1	51
Show		16276-2358	AGE 7	AB	331	9.9	52
Show		16276-2358	BOV 59	AC	169	47.1	52
Show		16263-2409	REP 37		358	5.1	53
Show		16215-2333	PRA 5	AB	190	9.8	53
Show		16215-2333	CHT 1	Aa,Ab	51	0.1	53
Show		16282-2352	RAT 16		267	0.1	53
Show		16277-2359	FTV 1		319	1.5	54
Show		16256-2416	CST 2		78	0.4	57
Show		16226-2235	TOK 772		204	0.1	57
Show		16223-2238	BU 1297		136	1.9	57
Show		16268-2412	RAT 9	Aa,Ab	24	0.1	58
Show		16268-2412	AGE 5	AB	116	0.5	58
Show		16212-2342	USD1353		238	1.6	59
Show		16224-2405	CLO 8		176	1.9	60
Show		16266-2416	DCH 67	AB	57	6.1	60
Show		16266-2416	DCH 67	AC	104	6.3	60
Show		16266-2416	DCH 96	AD	152	9.0	60
Show		16220-2238	REP 50		317	0.5	61
Show		16216-2355	KSA 101		165	25.4	61
Show		16267-2417	RAT 8	Aa,Ab	180	0.1	62
Show		16267-2417	DCH 71	AB	134	4.9	62
Show		16267-2418	DCH 69		242	1.5	63
Show		16264-2421	BOV 60	A,BC	114	94.0	63
Show		16256-2423	RAT 2		170	1.8	64
Show		16264-2421	ZNN 1	BC	150	2.0	64
Show		16264-2421	KRS 6	Ca,Cb	44	0.0	64
Show		16267-2421	REP 40		69	1.4	65
Show		16249-2214	TOK 776		156	0.1	65
Show		16268-2420	CST 5		54	0.2	65

WDS 16252-2319 : COMPONENTS

	A
B	pa=29.5° sep=0.76"

16252-2319 A

Componente originario normalizzato	AB		Coord arcsec 2000	162510.52-231913.8		Mag	9.5		Spectral class	K4 (yellow-orange)
PmRA	-15.00		PmDE	-29.0

16252-2319 B

Componente originario normalizzato	AB		Coord arcsec 2000	162510.55-231913.1		Mag	10.2		Calc delta mag	0.7
Calc coord	yes