22456-5330 CRU 4 (Eta Gru)

22^h 45^m 37.85^s -53° 30' 00.6" P.A. 187.00 sep 25.6 mag 4.85,11.50 Sp K2IIICNv dist. 127.23 pc (415.02 l.y.)

Coord 2000	22456-5330	Discov num	CRU 4	Comp		Coord arcsec 2000	22 45 37.85 -53 30 00.6
Date first	1879	Date last	2012	Obs	11
Pa first	185	Pa last	187.2	P.A. Now (θ)	187.2°
Sep first	27.6	Sep last	25.6	Sep. Now (ρ)	25.6"
Mag pri	4.85	Mag sec	11.50	delta mag (ΔM)	6.65	Spectral class	K2IIICNv (yellow-orange)
Pri motion ra	+031	Sec motion ra
Pri motion dec	+017	Sec motion dec
Notes	Y (Parallax indicates components are non-physical)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	Eta Gru	Constellation	Grus	SAO	247570	HIP	112374
Tycho2	8823-01609-1	Gaia DR2	6507189711902334080	HD	215369	HR	8655
GC	31744	CP	CP-5410123	Bayer	Eta Gruis	Bayer name	Eta Gru
FK5	3821	Distance	127.23	Distance ly	415.02	Bayer greek	η Gru

WDS 22456-5330 CRU 4 (Eta Gru) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Cru1884	Ma j	Cruls, L.	1884AnRio...41..97C
Cru1884		Ann. Rio de Janeiro Obs. 4, Pt.1, 97, 1884

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22456-5330	CRU 4		1936	7	185	24.4	4.85	11.50	K2IIICNv		224537.85-533000.6
22456-5330	CRU 4		2000	8	185	26.8	4.85	11.50	K2IIICNv		224537.85-533000.6
22456-5330	CRU 4		2011	10	187	27.1	4.85	11.50	K2IIICNv		224537.85-533000.6
22456-5330	CRU 4		2012	11	187	25.6	4.85	11.50	K2IIICNv		224537.85-533000.6

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WDS 22456-5330 CRU 4 (Eta Gru) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 22456-5330 CRU 4 (Eta Gru) : MEASURES

No records found.

WDS 22456-5330 (Eta Gru) : VIRTUAL EYEPIECE

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WDS 22456-5330 (Eta Gru) : ALADIN DSS IMAGE @ 22^h 45^m 37.85^s -53° 30' 00.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 22456-5330 CRU 4 (Eta Gru) : 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		22456-5330	CRU 4		187	25.6
Show		22431-5337	TDT3674		358	0.6	24
Show		22471-5303	RST1145		130	2.4	30
Show		22451-5254	UC 4807		119	14.9	37
Show		22463-5252	RST1144		34	2.1	39
Show		22441-5413	CVN 32	AB	246	6.6	46
Show		22441-5413	CVN 32	Aa,Ab	298	0.5	46
Show		22477-5430	I 140		275	4.3	63
Show		22388-5344	B 569		165	1.8	63
Show		22443-5225	UC 4801		142	7.9	67
Show		22391-5242	HJ 5349		118	32.7	76
Show		22377-5253	HDS3213		71	30.0	81
Show		22483-5447	TDT3715		88	0.6	81
Show		22394-5430	UC 4786		271	21.7	82
Show		22547-5352	TDT3783		186	0.5	84
Show		22551-5344	RST2208		229	1.1	86
Show		22546-5300	TDT3781		226	4.2	86
Show		22356-5324	HDS3207		128	0.2	90
Show		22480-5159	LDS 794		116	87.7	94
Show		22352-5337	HU 1544		120	0.5	94
Show		22416-5459	TDT3658		180	0.6	96
Show		22384-5443	RST1140		227	0.5	97
Show		22567-5355	TDT3805		128	0.5	102
Show		22361-5437	KPP3084		210	2.6	107
Show		22519-5153	HU 1642		162	6.6	113
Show		22569-5237	RST1150		98	1.4	115
Show		22555-5218	VSP 58		124	0.3	115
Show		22376-5508	RST1139		260	1.1	121
Show		22593-5322	HJ 5372		297	17.9	123
Show		22586-5247	ALD 17		313	2.8	125
Show		22317-5349	RST2198		315	3.0	126
Show		22491-5536	HDS3240		186	1.0	130
Show		22318-5246	WIS 369		200	6.9	133
Show		22574-5456	HDS3264		299	0.8	135
Show		22354-5511	HDS3206		158	0.3	135
Show		22579-5453	RST1153		56	2.8	136
Show		22598-5427	TDT3827		322	0.9	138
Show		22302-5345	TSN 204		42	0.1	139
Show		22427-5549	RST2200		81	1.1	142
Show		22508-5544	UC 4832	AB	5	26.9	142
Show		22361-5138	WIS 370		7	941.4	142
Show		23009-5254	NSN 459		156	3.0	143
Show		22363-5530	CPO 633		85	10.8	146
Show		22428-5554	NSN 458		11	1.5	147
Show		22340-5149	RST1137		315	0.3	147
Show		22473-5603	TDT3707		20	0.5	154
Show		22558-5120	TSN 40		359	17.3	160
Show		23034-5311	LIT 37		134	29.0	161
Show		22428-5610	RST2201		295	0.2	162
Show		22596-5148	SKF1182		179	27.4	163
Show		22487-5614	UC 4821		125	12.2	166

WDS 22456-5330 : COMPONENTS

	A
B	pa=184.3° sep=25.47"

22456-5330 A

Componente originario normalizzato	AB	Name	Eta Gru	Coord arcsec 2000	224537.85-533000.6	Mag	4.85
Spectral class	K2IIICNv (yellow-orange)	PmRA	31.00	PmDE	17.0	SAO	247570
HIP	112374	Tycho2	8823-01609-1	HD	215369	HR	8655
GC	31744	CP	CP-5410123	Bayer	Eta Gruis	Bayer name	Eta Gru
FK5	3821

Tycho2

Tycho2	8823-01609-1	Pflag		RAmdeg	341.40783731	DEmdeg	-53.50012248
PmRA	30.3	PmDE	16.8	E RAmdeg	3	E DEmdeg	3
E pmRA	1.2	E pmDE	1.2	EpRAm	1991.40	EpDEm	1991.59
Num	14	Q RAmdeg	1.0	Q DEmdeg	0.7	Q pmRA	1.0
Q pmDE	0.7	BTmag	6.355	E BTmag	0.014	VTmag	4.977
E VTmag	0.009	Prox	999	TYC	T	HIP	112374
CCDM		RAdeg	341.40771722	DEdeg	-53.50016111	EpRA 1990	1.51
EpDE 1990	1.70	E RAdeg	3.3	E DEdeg	3.3	Posflg
Corr	-0.2

SAO

SAO	247570	DelFlag		RA1950		PmRA1950	0.004
DE1950		PmDE1950	0.024	Vmag	4.9	SpType	K0
Double code		Source	70	CatNum	31744	DM	CP-5410123
DMcomp		BDsup		HD	215369	M HD	0
GC	31744	RA1950rad	5.94535076	DE1950rad	-0.93835296	PmRA2000	0.0037
PmDE2000	0.019

Hipparcos

Catalog	H	HIP	112374	Proxy		RAhms	22 45 37.85
DEdms	-53 30 00.6	Vmag	4.84	VarFlag	1	R Vmag	G
RAdeg	341.408	DEdeg	-53.5002	AstroRef		Plx	8.27
CCDM	22456-5330	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	215369	BD
CD		CP	CP-5410123	Dm number	-5410123	VIred	1.21
SpType	K2IIICNIV	R SpType		Coord arcsec 2000	224537.85-533000.6

Hipparcos 2

HIP	112374	Sn	5	So	0	Nc	1
RArad	5.9586887505	DErad	-0.9337539969	Plx	7.86	PmRA	30.59
PmDE	17.37	E RArad	0.14	E DErad	0.15	E Plx	0.23
E pmRA	0.2	E pmDE	0.17	Hpmag	5.0034	E Hpmag	0.0006
SHp	0.008	VA	0	BV	1.18	E BV	0.015
VI	1.21

CCDM

Ccdm	22456-5330	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.90	DDEs	-0.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	4.9	Sp	G8	PmNote	*
PmRA	34	PmDE	21	Dm number	-5410123	Cat1	CPD
Name2	247570	Cat2	SAO	HD	215369	M HD
ADS BDS		M ADS BDS		N IDS		IDS	22395S5402A
HIC	112374

22456-5330 B

Componente originario normalizzato	AB		Coord arcsec 2000	224537.64-533026.0		Mag	11.5		Calc delta mag	6.65
Calc coord	yes

CCDM

Ccdm	22456-5330	RComp		Comp	B	Note1
Note2		Discov num	CRU	DRAs	1.75	DDEs	-21.3
R dRAs	90	Year	1879	Theta	185	Rho	24.4
Obs	5	Vmag	11.5	Sp		PmNote	*
PmRA	42	PmDE	75	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	22395S5402B
HIC