23266-5243 EHR 21 (Omi Gru)

23^h 26^m 36.57^s -52° 43' 17.7" P.A. 122.00 sep 0.5 mag 4.50,9.20 Sp F4V dist. 30.77 pc (100.37 l.y.)

Coord 2000	23266-5243	Discov num	EHR 21	Comp		Coord arcsec 2000	23 26 36.57 -52 43 17.7
Date first	2005	Date last	2008	Obs	3
Pa first	115	Pa last	121.6	P.A. Now (θ)	121.6°
Sep first	0.5	Sep last	0.455	Sep. Now (ρ)	0.455"
Mag pri	4.50	Mag sec	9.20	delta mag (ΔM)	4.7	Spectral class	F4V (yellow-white)
Pri motion ra	+033	Sec motion ra
Pri motion dec	+130	Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, 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

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	Omi Gru	Constellation	Grus	SAO	247874	HIP	115713
Tycho2	8832-00440-1	Gaia DR2	6501173218636511488	HD	220729	HR	8907
GC	32603	CP	CP-5310461	Bayer	Omicron Gruis	Bayer name	Omi Gru
FK5	883	Distance	30.77	Distance ly	100.37	Bayer greek	ο Gru

WDS 23266-5243 EHR 21 (Omi Gru) : NOTES

discov_num	notes	refcode
EHR 21	omi Gru. Pair appears to be comoving.	Ehr2010
	WDS designation initially corrupted to 23255-6243.

REFERENCES

refcode	metd	author	reference
Ehr2010	Ao j	Ehrenreich, D., Lagrange, A.-M., Montagnier, G., Chauvin, G., Galland, F.	2010A&A...523A..73E
Ehr2010		Beuzit, J.-L., & Rameau. J.
Ehr2010		A&A 523, A73, 2010

DISCOVERER

idgroup	discov	author
1	EHR	Ehrenreich, D., Lagrange, A.-M., Montagnier, G., Chauvin, G., Galland, F.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23266-5243	EHR 21		2008	3	122	0.5	4.50	9.20	F4V	NV K	232636.57-524317.7

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WDS 23266-5243 EHR 21 (Omi Gru) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23266-5243 EHR 21 (Omi Gru) : MEASURES

No records found.

WDS 23266-5243 (Omi Gru) : VIRTUAL EYEPIECE

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WDS 23266-5243 (Omi Gru) : ALADIN DSS IMAGE @ 23^h 26^m 36.57^s -52° 43' 17.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23266-5243 EHR 21 (Omi 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		23266-5243	EHR 21		122	0.5	1
Show		23271-5247	NSC 32		244	56.0	6
Show		23274-5218	LDS 815	AB	79	13.8	27
Show		23274-5218	LDS 815	Ba,Bb	61	0.7	27
Show		23270-5211	UC 4954		87	27.3	33
Show		23303-5233	TDT4071		178	3.5	36
Show		23299-5213	BRT2104		89	3.6	44
Show		23235-5211	TOI2314		17	1.2	44
Show		23212-5319	KPP 994		211	8.0	61
Show		23287-5343	RST2219		343	1.4	63
Show		23239-5349	DUN 249		211	26.4	70
Show		23325-5157	TDT4091		9	3.4	71
Show		23293-5135	TOK 921		253	0.2	73
Show		23207-5147	TDT3991		152	0.7	78
Show		23317-5346	TOK 645		69	999.9	78
Show		23319-5351	TDT4086		124	1.8	83
Show		23313-5400	B 601		185	0.3	88
Show		23300-5419	HJ 5401		42	13.2	101
Show		23289-5428	SKF 388		129	15.9	107
Show		23383-5229	FIN 291		124	2.4	108
Show		23203-5109	TDT3989		168	1.9	111
Show		23144-5226	LDS 801		81	47.6	113
Show		23307-5056	UC 4972		113	22.8	114
Show		23357-5126	UC 4991		101	12.1	115
Show		23193-5105	B 1401		308	0.7	120
Show		23232-5441	KPP4315		276	1.6	122
Show		23144-5337	UC 4908		103	35.3	122
Show		23128-5240	TOK 682	AB	145	7.0	126
Show		23350-5100	I 692	AB	183	1.5	130
Show		23350-5100	B 9040	AC	35	17.0	130
Show		23179-5429	RST1161		288	0.1	131
Show		23123-5225	RST1158		346	0.8	132
Show		23198-5443	LDS 811		140	15.2	135
Show		23409-5159	TDT4147		101	0.5	139
Show		23227-5029	TDT4007		7	0.7	140
Show		23129-5141	BVD 158		166	37.7	141
Show		23165-5434	RST1160		331	1.6	143
Show		23278-5021	I 1059		180	1.3	144
Show		23272-5017	DUN 250		83	28.3	147
Show		23322-5501	BRT3190		109	4.7	147
Show		23129-5411	HU 1549		151	1.5	151
Show		23208-5018	RST5560	AB	232	1.3	155
Show		23208-5018	DUN 248	AB,C	212	17.0	155
Show		23186-5502	TDT3976		347	0.5	156
Show		23238-5009	TDT4018		245	0.5	157
Show		23439-5219	TDT4166		114	0.7	160
Show		23255-5527	FIN 289		16	1.7	165
Show		23446-5307	TDT4171		47	1.4	165
Show		23136-5044	KPP4306		324	1.6	170
Show		23128-5049	JNN 327		71	0.4	172
Show		23355-5012	DAW 27		357	3.7	173

WDS 23266-5243 : COMPONENTS

	A
B	pa=135.4° sep=0.33"

23266-5243 A

Name	Omi Gru		Coord arcsec 2000	232636.57-524317.7		Mag	4.5		Spectral class	F4V (yellow-white)
PmRA	33.00		PmDE	130.0

23266-5243 B

Coord arcsec 2000

232636.60-524317.9

Mag

9.2

Calc delta mag

4.7

Calc coord

yes