21327-4318 DON 1010 (HD 204855)

21^h 32^m 39.76^s -43° 17' 53.9" P.A. 181.00 sep 0.8 mag 9.84,12.13 Sp F5V dist. 285.71 pc (931.99 l.y.)

Coord 2000	21327-4318	Discov num	DON1010	Comp		Coord arcsec 2000	21 32 39.76 -43 17 53.9
Date first	1931	Date last	1991	Obs	4
Pa first	187	Pa last	181	P.A. Now (θ)	181°
Sep first	0.8	Sep last	0.799	Sep. Now (ρ)	0.799"
Mag pri	9.84	Mag sec	12.13	delta mag (ΔM)	2.29	Spectral class	F5V (yellow-white)
Pri motion ra	+001	Sec motion ra
Pri motion dec	-014	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 204855	Constellation	Grus	SAO	230732	HIP	106372
Tycho2	7992-00030-1	Gaia DR2	6577849036388843648	HD	204855	CD	CD-4314592
CP	CP-43 9471	Distance	285.71	Distance ly	931.99

WDS 21327-4318 DON 1010 (HD 204855) : 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
21327-4318	DON1010		1991	4	181	0.8	9.84	12.13	F5V		213239.76-431753.9

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WDS 21327-4318 DON 1010 (HD 204855) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21327-4318 DON 1010 (HD 204855) : MEASURES

No records found.

WDS 21327-4318 (HD 204855) : VIRTUAL EYEPIECE

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WDS 21327-4318 (HD 204855) : ALADIN DSS IMAGE @ 21^h 32^m 39.76^s -43° 17' 53.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21327-4318 DON 1010 (HD 204855) : 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		21327-4318	DON1010		181	0.8
Show		21331-4311	UC 4495		33	48.1	9
Show		21299-4243	TDT2997		247	0.5	46
Show		21309-4234	DON1009		244	0.5	49
Show		21375-4328	CPO 623		76	5.3	55
Show		21358-4400	UC 4504		177	13.9	55
Show		21296-4414	CBL 183		262	90.5	66
Show		21337-4213	TDT3032		297	5.2	66
Show		21267-4339	LDS 743		93	19.9	67
Show		21270-4233	MLO 6	AB	151	2.8	77
Show		21270-4233	TOK 346	AC	75	295.3	77
Show		21345-4439	HU 1539		82	1.3	84
Show		21281-4427	CPO 622		153	4.3	85
Show		21313-4152	TDT3006		194	2.4	87
Show		21338-4446	BRT1121		149	3.9	90
Show		21409-4319	SKF1100		114	5.7	91
Show		21253-4409	TSN 46		213	337.2	95
Show		21240-4337	I 1440		262	1.6	96
Show		21318-4503	TDT3011		179	0.7	106
Show		21300-4459	UC 4478		264	11.2	106
Show		21232-4257	SKF1172		186	9.3	106
Show		21403-4424	DON1013		261	1.8	107
Show		21270-4449	LDS6352		260	90.9	110
Show		21388-4150	CRU9024		36	6.9	111
Show		21291-4503	TDT2988		29	0.5	112
Show		21399-4159	CRU9025		123	42.5	112
Show		21433-4327	HDS3095	Ba,Bb	281	0.1	116
Show		21433-4327	HDS3095	AB	210	0.4	116
Show		21428-4247	DON1015		340	2.1	116
Show		21332-4119	CRU 1	AB	63	5.9	119
Show		21292-4125	HJ 5272	AB	304	21.9	120
Show		21292-4125	RVA 1	BC	331	2.7	120
Show		21214-4403	TDT2918		18	0.5	131
Show		21435-4419	DON1016		132	0.4	132
Show		21212-4235	TDT2915		61	0.4	133
Show		21202-4336	DON1007		60	2.0	137
Show		21305-4534	RST1090		68	1.4	138
Show		21326-4059	UC 4491		216	45.3	139
Show		21201-4233	KPP1331		324	10.1	146
Show		21234-4133	KPP3092		163	3.3	147
Show		21419-4132	TDT3114		268	0.4	148
Show		21421-4131	BRT1122		192	3.5	150
Show		21387-4103	CRU9023		197	185.1	151
Show		21428-4503	TDT3118		291	0.5	152
Show		21261-4103	RST2177		334	2.5	154
Show		21405-4111	CRU9026		29	173.1	154
Show		21353-4044	CRU9022		118	62.9	157
Show		21454-4432	BRT1123		30	5.1	157
Show		21339-4040	CRU9021		31	47.4	159
Show		21467-4228	DON1018		82	1.6	163
Show		21348-4559	FIN 15		275	6.2	163

WDS 21327-4318 : COMPONENTS

	A
B	pa=180.7° sep=0.80"

21327-4318 A

Componente originario normalizzato	AB	Name	HD 204855	Coord arcsec 2000	213239.76-431753.9	Mag	9.84
Spectral class	F5V (yellow-white)	PmRA	1.00	PmDE	-14.0	SAO	230732
HIP	106372	Tycho2	7992-00030-1	HD	204855	CD	CD-4314592
CP	CP-43 9471

Tycho2

Tycho2	7992-00030-1	Pflag		RAmdeg	323.16566277	DEmdeg	-43.29832624
PmRA	0.9	PmDE	-8.1	E RAmdeg	16	E DEmdeg	14
E pmRA	1.2	E pmDE	1.1	EpRAm	1987.95	EpDEm	1987.78
Num	7	Q RAmdeg	1.5	Q DEmdeg	1.4	Q pmRA	1.6
Q pmDE	1.5	BTmag	10.241	E BTmag	0.029	VTmag	9.695
E VTmag	0.025	Prox	999	TYC	T	HIP	106372
CCDM	AB	RAdeg	323.16566250	DEdeg	-43.29830667	EpRA 1990	1.85
EpDE 1990	1.93	E RAdeg	16.7	E DEdeg	14.8	Posflg	P
Corr	-0.2

SAO

SAO	230732	DelFlag		RA1950		PmRA1950	0.0017
DE1950		PmDE1950	0.005	Vmag	9.5	SpType	F8
Double code		Source	48	CatNum	19441	DM	CP-43 9471
DMcomp		BDsup		HD	204855	M HD	0
GC		RA1950rad	5.62634384	DE1950rad	-0.75956385	PmRA2000	0.0018
PmDE2000	0.001

Hipparcos

Catalog	H	HIP	106372	Proxy	H	RAhms	21 32 39.76
DEdms	-43 17 53.9	Vmag	9.6	VarFlag		R Vmag	H
RAdeg	323.166	DEdeg	-43.2983	AstroRef	A	Plx	2.16
CCDM	21327-4318	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	181	Rho	0.799	HD	204855	BD
CD	CD-4314592	CP	CP-43 9471	Dm number	-4314592	VIred	0.58
SpType	F5V	R SpType		Coord arcsec 2000	213239.76-431753.9

Hipparcos 2

HIP	106372	Sn	15	So	3	Nc	2
RArad	5.6403048445	DErad	-0.7556978678	Plx	3.5	PmRA	4.02
PmDE	-9.78	E RArad	1.43	E DErad	1.47	E Plx	2.2
E pmRA	1.7	E pmDE	1.41	Hpmag	9.7164	E Hpmag	0.002
SHp	0.023	VA	0	BV	0.51	E BV	0.005
VI	0.58

CCDM

Ccdm	21327-4318	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.09	DDEs	6.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.7	Sp	F8	PmNote	*
PmRA	18	PmDE	5	Dm number	-4314592	Cat1	CD
Name2	230732	Cat2	SAO	HD	204855	M HD
ADS BDS		M ADS BDS		N IDS		IDS	21262S4344A
HIC	106372

21327-4318 B

Componente originario normalizzato	AB		Coord arcsec 2000	213239.76-431754.7		Mag	12.13		Calc delta mag	2.29
Calc coord	yes

CCDM

Ccdm	21327-4318	RComp		Comp	B	Note1
Note2		Discov num	DON1010	DRAs		DDEs
R dRAs		Year	1931	Theta	183	Rho	0.8
Obs	2	Vmag	12.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	21262S4344B
HIC	106372