21309-4234 DON 1009 (HD 204593)

21^h 30^m 53.54^s -42° 33' 11.0" P.A. 244.00 sep 0.5 mag 10.60,12.40 Sp F3V

Coord 2000	21309-4234	Discov num	DON1009	Comp		Coord arcsec 2000	21 30 53.54 -42 33 11.0
Date first	1931	Date last	1946	Obs	3
Pa first	241	Pa last	243.7	P.A. Now (θ)	243.7°
Sep first	0.5	Sep last	0.54	Sep. Now (ρ)	0.54"
Mag pri	10.60	Mag sec	12.40	delta mag (ΔM)	1.8	Spectral class	F3V (yellow-white)
Pri motion ra	-005	Sec motion ra
Pri motion dec	-009	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 204593		Constellation	Grus		Tycho2	7988-00572-1		Gaia DR2	6578681332330149376
HD	204593

WDS 21309-4234 DON 1009 (HD 204593) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21309-4234	DON1009		1946	3	244	0.5	10.60	12.40	F3V		213053.54-423311.0

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

WDS 21309-4234 DON 1009 (HD 204593) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21309-4234 DON 1009 (HD 204593) : MEASURES

No records found.

WDS 21309-4234 (HD 204593) : 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 21309-4234 (HD 204593) : ALADIN DSS IMAGE @ 21^h 30^m 53.54^s -42° 33' 11.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21309-4234 DON 1009 (HD 204593) : 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		21309-4234	DON1009		244	0.5
Show		21299-4243	TDT2997		247	0.5	15
Show		21337-4213	TDT3032		297	5.2	37
Show		21313-4152	TDT3006		194	2.4	41
Show		21270-4233	MLO 6	AB	151	2.8	43
Show		21270-4233	TOK 346	AC	75	295.3	43
Show		21331-4311	UC 4495		33	48.1	45
Show		21327-4318	DON1010		181	0.8	49
Show		21292-4125	HJ 5272	AB	304	21.9	71
Show		21292-4125	RVA 1	BC	331	2.7	71
Show		21332-4119	CRU 1	AB	63	5.9	78
Show		21267-4339	LDS 743		93	19.9	80
Show		21232-4257	SKF1172		186	9.3	88
Show		21375-4328	CPO 623		76	5.3	92
Show		21326-4059	UC 4491		216	45.3	96
Show		21388-4150	CRU9024		36	6.9	98
Show		21240-4337	I 1440		262	1.6	99
Show		21296-4414	CBL 183		262	90.5	102
Show		21358-4400	UC 4504		177	13.9	103
Show		21234-4133	KPP3092		163	3.3	104
Show		21261-4103	RST2177		334	2.5	105
Show		21399-4159	CRU9025		123	42.5	106
Show		21212-4235	TDT2915		61	0.4	107
Show		21253-4409	TSN 46		213	337.2	114
Show		21244-4100	BU 766	AB	169	0.3	118
Show		21244-4100	BU 766	AC	65	79.1	118
Show		21281-4427	CPO 622		153	4.3	118
Show		21339-4040	CRU9021		31	47.4	119
Show		21201-4233	KPP1331		324	10.1	120
Show		21409-4319	SKF1100		114	5.7	120
Show		21353-4044	CRU9022		118	62.9	120
Show		21387-4103	CRU9023		197	185.1	126
Show		21364-4041	I 1444		125	0.2	129
Show		21345-4439	HU 1539		82	1.3	132
Show		21428-4247	DON1015		340	2.1	133
Show		21202-4336	DON1007		60	2.0	133
Show		21367-4036	RST2181		340	0.3	134
Show		21405-4111	CRU9026		29	173.1	136
Show		21243-4040	CRU9020		52	38.1	136
Show		21419-4132	TDT3114		268	0.4	137
Show		21338-4446	BRT1121		149	3.9	138
Show		21185-4225	RED 27		199	7.8	138
Show		21214-4403	TDT2918		18	0.5	138
Show		21421-4131	BRT1122		192	3.5	140
Show		21270-4449	LDS6352		260	90.9	142
Show		21322-4012	LDS 748		156	27.3	143
Show		21433-4327	HDS3095	AB	210	0.4	146
Show		21433-4327	HDS3095	Ba,Bb	281	0.1	146
Show		21300-4459	UC 4478		264	11.2	147
Show		21318-4503	TDT3011		179	0.7	150
Show		21291-4503	TDT2988		29	0.5	151

WDS 21309-4234 : COMPONENTS

	A
B	pa=236.1° sep=0.43"

21309-4234 A

Componente originario normalizzato	AB	Name	HD 204593	Coord arcsec 2000	213053.54-423311.0	Mag	10.6
Spectral class	F3V (yellow-white)	PmRA	-5.00	PmDE	-9.0	Tycho2	7988-00572-1
HD	204593

Tycho2

Tycho2	7988-00572-1	Pflag		RAmdeg	322.72312213	DEmdeg	-42.55307682
PmRA	-4.8	PmDE	-8.7	E RAmdeg	24	E DEmdeg	30
E pmRA	1.4	E pmDE	1.6	EpRAm	1982.12	EpDEm	1984.51
Num	4	Q RAmdeg	1.8	Q DEmdeg	1.5	Q pmRA	1.7
Q pmDE	1.5	BTmag	10.743	E BTmag	0.048	VTmag	10.390
E VTmag	0.049	Prox	999	TYC	T	HIP
CCDM		RAdeg	322.72314306	DEdeg	-42.55305333	EpRA 1990	1.95
EpDE 1990	2.03	E RAdeg	28.3	E DEdeg	32.6	Posflg
Corr	-0.1

21309-4234 B

Componente originario normalizzato	AB		Coord arcsec 2000	213053.51-423311.2		Mag	12.4		Calc delta mag	1.8
Calc coord	yes