16127-1859 GHE 20 Aa,Ab

16^h 12^m 40.50^s -18° 59' 28.2" P.A. 156.00 sep 0.1 mag 8.50,10.20 Sp K

Coord 2000	16127-1859	Discov num	GHE 20	Comp	Aa,Ab	Coord arcsec 2000	16 12 40.50 -18 59 28.2
Date first	1990	Date last	2006	Obs	12
Pa first	160	Pa last	156	P.A. Now (θ)	156°
Sep first	0.2	Sep last	0.12	Sep. Now (ρ)	0.12"
Mag pri	8.50	Mag sec	10.20	delta mag (ΔM)	1.7	Spectral class	K (yellow-orange)
Pri motion ra	-005	Sec motion ra
Pri motion dec	-020	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.

16127-1859 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			16 12 40 -18 59 28	GHE 20 Aa,Ab	2006	12	156	0.1	8.50	10.20	1.70		<===
Show			16 12 40 -18 59 28	KSA 96 AB	2015	4	269	19.1	8.31	10.28	1.97

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Scorpius

Gaia DR2

6245821126373768832

WDS 16127-1859 GHE 20 Aa,Ab : 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
KsA2007a	E2 j	Kraus, A.L. & Hillenbrand, L.A.	2007ApJ...662..413K
KsA2007a	+Ed	ApJ 662, 413, 2007
KsA2007b	Ag j	Kraus, A.L. & Hillenbrand, L.A.	2007ApJ...664.1167K
KsA2007b	+E+	ApJ 664, 1167, 2007
KsA2007b	+Pu
KsA2008	Am j	Kraus, A.L., Ireland, M.J., Martinache, F., & Lloyd, J.P.	2008ApJ...679..762K
KsA2008	+C	ApJ 679, 762, 2008
KsA2009	A+ j	Kraus, A.L. & Hillenbrand, L.A.	2009ApJ...703.1511K
KsA2009	+Pb	ApJ 703, 1511, 2009
KsA2009	+E+
KsA2009	+C
KsA2011	Am j	Kraus, A.L., Ireland, M.J., Martinache, F., & Hillenbrand, L.A.	2011ApJ...731....8K
KsA2011		ApJ 731, 8, 2011
KsA2014	A j	Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J.,	2014ApJ...781...20K
KsA2014		Bowler, B.P., & Liu, M.C.
KsA2014		ApJ 781, 20, 2014
KsA2016	A j	Kraus, A.L., Ireland, M.J., Huber, D., Mann, A.W., & Dupuy, T.J.	2016AJ....152....8K
KsA2016	+Ao	AJ 152, 8, 2016
KsA2021	A	Pearce, L.A., Kraus, A.L., Dupuy, T.J., Mann, A.W. & Huber, D.	2021ApJ...909..216P
KsA2021		ApJ 909, 216, 2021

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16127-1859	GHE 20	Aa,Ab	1998	10	161	0.2	10.78		K	D	161240.50-185928.2
16127-1859	GHE 20	Aa,Ab	2002	11	162	0.1	10.78		K	D	161240.50-185928.2
16127-1859	GHE 20	Aa,Ab	2006	12	156	0.1	8.50	10.20	K	K	161240.50-185928.2

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

WDS 16127-1859 GHE 20 Aa,Ab : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16127-1859 GHE 20 Aa,Ab : MEASURES

No records found.

WDS 16127-1859 : 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 16127-1859 : ALADIN DSS IMAGE @ 16^h 12^m 40.50^s -18° 59' 28.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16127-1859 GHE 20 Aa,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		16127-1859	GHE 20	Aa,Ab	156	0.1
Show		16127-1859	KSA 96	AB	269	19.1
Show		16132-1904	PRA 2		18	0.4	9
Show		16120-1907	KOH 78	AB	192	3.4	13
Show		16120-1907	MSR 8	AC	336	7.2	13
Show		16120-1907	MSR 8	AD	209	10.0	13
Show		16120-1907	MSR 8	AE	73	14.3	13
Show		16137-1846	TOK 760		63	0.2	21
Show		16111-1905	MSR 7		204	10.0	23
Show		16127-1924	PRA 1		103	0.7	25
Show		16116-1839	HER 25	AB	218	1.3	27
Show		16116-1839	KRS 4	Ba,Bb	101	0.0	27
Show		16138-1835	PRA 4		356	7.5	30
Show		16120-1928	MTL 2	CD	55	2.4	30
Show	Jabbah	16120-1928	CHR 146	Aa,Ab	344	0.1	30
Show	Jabbah	16120-1928	BU 120	AB	1	1.4	30
Show	Jabbah	16120-1928	H 5 6	AC	336	41.3	30
Show	Jabbah	16120-1928	LAF 127	AE	318	5.3	30
Show		16137-1927	PRA 3		346	0.6	32
Show		16105-1905	KOH 77		57	0.3	32
Show		16104-1904	KOH 76	AB	7	4.6	34
Show		16104-1904	KOH 76	AC	-1	-1.0	34
Show		16104-1904	KSA 133	AD	104	3.0	34
Show		16104-1904	KSA 133	AE	333	4.4	34
Show		16104-1904	KSA 133	AF	334	4.5	34
Show		16105-1913	KSA 93	AB	114	5.7	34
Show		16105-1913	KSA 93	Aa,Ab	91	0.2	34
Show		16105-1913	LAF 124	AC	77	8.1	34
Show		16107-1917	KSA 94	AB	186	16.7	34
Show		16107-1917	USD 820	Aa,Ab	168	1.1	34
Show		16124-1935	KOU 57		340	3.2	36
Show		16107-1924	OCC 463		-1	0.3	37
Show		16117-1935	GWP2607		50	24.0	39
Show		16146-1832	OCC 517		-1	0.0	40
Show		16113-1821	IRE 11	AB	190	6.8	43
Show		16113-1821	IRE 11	AC	173	11.1	43
Show		16096-1848	KSA 91		4	20.2	45
Show		16095-1853	TOK 752		166	0.2	46
Show		16142-1940	CVN 96		199	5.5	46
Show		16109-1938	LAF 125		156	7.3	46
Show		16127-1950	USD 949	Aa,Ab	94	0.2	51
Show		16090-1900	KOU 54	AB	100	1.0	52
Show		16090-1900	LAF 120	AC	134	6.0	52
Show		16090-1900	HNK 6	Aa,Ab	253	0.2	52
Show		16141-1812	OCC 519		-1	0.4	52
Show		16090-1909	IRE 10		275	6.8	53
Show		16134-1806	CHR 233		212	0.4	55
Show		16107-1947	J 2665	AB	312	6.6	55
Show		16107-1947	J 2665	AC	82	17.9	55
Show		16093-1927	KOU 55	EF	54	0.9	55
Show		16093-1927	USD 728	Ea,Eb	118	0.1	55

WDS 16127-1859 : COMPONENTS

	A	Ab
Ab	pa=157.2° sep=0.12"
B	pa=269.2° sep=18.08"	pa=269.5° sep=18.12"

16127-1859 A

Coord arcsec 2000	161240.50-185928.2		Mag	8.31		Spectral class	K0 (yellow-orange)		PmRA	-4.00
PmDE	-20.0

16127-1859 Ab

Coord arcsec 2000

161240.50-185928.3

Mag

10.2

Calc delta mag

1.7

Calc coord

yes

16127-1859 B

Coord arcsec 2000	161239.23-185928.5		Mag	10.28		PmRA	-3.00		PmDE	-26.0
Tycho2	6209-01316-1		Calc delta mag	1.78		Calc coord	yes

Tycho2

Tycho2	6209-01316-1	Pflag		RAmdeg	243.16877502	DEmdeg	-18.99117396
PmRA	-11.9	PmDE	-31.1	E RAmdeg	66	E DEmdeg	76
E pmRA	3.1	E pmDE	3.3	EpRAm	1981.43	EpDEm	1979.35
Num	4	Q RAmdeg	1.0	Q DEmdeg	1.8	Q pmRA	1.0
Q pmDE	1.8	BTmag	12.119	E BTmag	0.184	VTmag	11.066
E VTmag	0.103	Prox	999	TYC	T	HIP
CCDM		RAdeg	243.16881750	DEdeg	-18.99109028	EpRA 1990	1.72
EpDE 1990	1.50	E RAdeg	88.8	E DEdeg	109.7	Posflg
Corr	0.2