21185-4225 RED 27

21^h 18^m 28.15^s -42° 24' 48.2" P.A. 199.00 sep 7.8 mag 11.40,12.60 Sp K7+A7

Coord 2000	21185-4225	Discov num	RED 27	Comp		Coord arcsec 2000	21 18 28.15 -42 24 48.2
Date first	1975	Date last	2019	Obs	7
Pa first	208	Pa last	198.7	P.A. Now (θ)	198.7°
Sep first	13.0	Sep last	7.814	Sep. Now (ρ)	7.814"
Mag pri	11.40	Mag sec	12.60	delta mag (ΔM)	1.2	Spectral class	K7+A7 (yellow-orange/white)
Pri motion ra	-050	Sec motion ra	+009
Pri motion dec	-071	Sec motion dec	-008
Notes	U (Proper motion indicates non-physical)

rPM=0.994

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Microscopium

Gaia DR2

6580388702089268736

WDS 21185-4225 RED 27 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Red1982	Z -	Reid, I.N.	1982MNRAS.201...51R
Red1982		MNRAS 201, 51, 1982
Red1992	-	Reid, I.N.	1992MNRAS.257..257R
Red1992		MNRAS 257, 257, 1992
Red1993	C -	Reid, I.N.	1993MNRAS.265..785R
Red1993		MNRAS 265, 785, 1993
Red1997	Hp j	Reid, I.N. & Gizis, J.E.	1997AJ....114.1992R
Red1997	+S	AJ 114, 1992, 1997
Red2001	Hp j	Reid, I.N., Gizis, J.E., Kirkpatrick, J.D., & Koerner, D.W.	2001AJ....121..489R
Red2001		AJ 121, 489-502, 2001
Red2002	Ci -	Reid, I.N. & Cruz, K.L.	2002AJ....123..466R
Red2002		AJ 123, 466, 2002
Red2006a	Hn j	Reid, I.N., Lewitus, E., Burgasser, A.J., & Cruz, K.L.	2006ApJ...639.1114R
Red2006a		ApJ 639, 1114, 2006
Red2006b	Hn j	Reid, I.N., Lewitus, E., Allen, P., Cruz, K.L., & Burgasser, A.J.,	2006AJ....132..891R
Red2006b	+E2	AJ 132, 891, 2006
Red2006c	Ci w	Reid, I.N. & Walkowicz, L.M.	2006PASP..118..671R
Red2006c	+E2	PASP 118, 671, 2006
Red2007a	E2 -	Reid, I.N., Cruz, K.L., & Allen, P.	2007AJ....133.2825R
Red2007a		AJ 133, 2825, 2007
Red2007a		(coarse separations replaced with measures extracted from the 2MASS Catalog)
Red2008a	Hn u	Reid, I.N., Cruz, K.L., Burgasser, A.J., & Liu, M.C.	2008AJ....135..580R
Red2008a		AJ 135, 580, 2008

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21185-4225	RED 27		2000	2	205	10.0	11.40	12.60	A7		211828.15-422448.2
21185-4225	RED 27		2010	7	201	8.6	11.40	12.60	K7+A7	U	211828.15-422448.2
21185-4225	RED 27		2019	7	199	7.8	11.40	12.60	K7+A7	U	211828.15-422448.2

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WDS 21185-4225 RED 27 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21185-4225 RED 27 : MEASURES

No records found.

WDS 21185-4225 : VIRTUAL EYEPIECE

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WDS 21185-4225 : ALADIN DSS IMAGE @ 21^h 18^m 28.15^s -42° 24' 48.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21185-4225 RED 27 : 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		21185-4225	RED 27		199	7.8
Show		21201-4233	KPP1331		324	10.1	20
Show		21174-4157	NSN 466		4	45.0	31
Show		21212-4235	TDT2915		61	0.4	33
Show		21175-4142	LIT 35		248	10.5	44
Show		21232-4257	SKF1172		186	9.3	62
Show		21172-4118	RST4079		21	0.2	69
Show		21186-4116	UC 4437		295	32.3	70
Show		21202-4336	DON1007		60	2.0	74
Show		21234-4133	KPP3092		163	3.3	76
Show		21125-4148	I 1436		276	0.5	76
Show		21114-4215	TSN 97		227	56.4	79
Show		21146-4337	CPO 621		23	3.6	85
Show		21121-4128	BVD 153		132	44.1	91
Show		21240-4337	I 1440		262	1.6	95
Show		21270-4233	MLO 6	AB	151	2.8	96
Show		21270-4233	TOK 346	AC	75	295.3	96
Show		21208-4049	HDS3039		13	0.2	100
Show		21099-4304	UC 4395		141	61.2	103
Show		21214-4403	TDT2918		18	0.5	104
Show		21172-4410	TDT2884		46	0.6	107
Show		21162-4041	CBL 182		152	31.3	107
Show		21244-4100	BU 766	AB	169	0.3	108
Show		21244-4100	BU 766	AC	65	79.1	108
Show		21086-4245	SYU 12		224	0.2	111
Show		21104-4114	ARU 3		142	0.2	114
Show		21261-4103	RST2177		334	2.5	118
Show		21267-4339	LDS 743		93	19.9	119
Show		21090-4126	UC 4390		217	35.3	121
Show		21243-4040	CRU9020		52	38.1	124
Show		21299-4243	TDT2997		247	0.5	128
Show		21253-4409	TSN 46		213	337.2	129
Show		21144-4025	UC 4416		140	12.5	129
Show		21136-4423	KPP 604		86	5.6	130
Show		21292-4125	RVA 1	BC	331	2.7	135
Show		21292-4125	HJ 5272	AB	304	21.9	135
Show		21090-4058	CRU9016	AB	82	117.7	138
Show		21090-4058	CRU9016	AC	24	137.2	138
Show		21309-4234	DON1009		244	0.5	138
Show		21213-4011	WG 270		52	4.8	138
Show		21176-4445	TSN 197		358	0.8	141
Show		21091-4047	CPO 620	AB	347	20.1	144
Show		21313-4152	TDT3006		194	2.4	147
Show		21122-4016	CRU9018	AB	212	122.8	147
Show		21122-4016	CRU9018	AC	237	146.0	147
Show		21122-4016	CRU9018	AD	250	180.1	147
Show		21122-4016	CRU9018	AE	268	219.6	147
Show		21122-4016	CRU9018	AF	326	122.7	147
Show		21064-4123	SEE 437	AB	54	43.8	148
Show		21064-4123	SEE 437	AC	88	127.8	148
Show		21050-4214	UC 4372		12	13.9	150

WDS 21185-4225 : COMPONENTS

	A
B	pa=194.0° sep=7.63"

21185-4225 A

Componente originario normalizzato	AB		Coord arcsec 2000	211828.15-422448.2		Mag	11.4		Spectral class	K7 (yellow-orange)
PmRA	-50.00		PmDE	-71.0

21185-4225 B

Componente originario normalizzato	AB		Coord arcsec 2000	211827.98-422455.6		Mag	12.6		Spectral class	A7 (white)
PmRA	9.00		PmDE	-8.0		Calc delta mag	1.2		Calc coord	yes