16227-6659 DON 791 AB

16^h 22^m 41.88^s -66° 59' 22.6" P.A. 15.00 sep 4.6 mag 10.49,16.30

Coord 2000	16227-6659	Discov num	DON 791	Comp	AB	Coord arcsec 2000	16 22 41.88 -66 59 22.6
Date first	1929	Date last	2015	Obs	3
Pa first	13	Pa last	15	P.A. Now (θ)	15°
Sep first	4.4	Sep last	4.594	Sep. Now (ρ)	4.594"
Mag pri	10.49	Mag sec	16.30	delta mag (ΔM)	5.81	Spectral class
Pri motion ra	+005	Sec motion ra
Pri motion dec	-003	Sec motion dec
Notes

Nature of this double is uncertain.

16227-6659 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			16 22 42 -66 59 23	DON 791 AB	2015	3	15	4.6	10.49	16.30	5.81		<===
Show			16 22 42 -66 59 23	MLO 72 AC	2015	9	238	7.8	10.49	11.40	0.91

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Triangulum Australe

Tycho2

9049-00896-1

Gaia DR2

5821533092608680320

WDS 16227-6659 DON 791 AB : 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
MlO1881	T -	Walker, G.J.	1881Obs.....4..249W
MlO1881		Observatory 4, 249, 1881
MlO1927A	Pa -	Melbourne Obs.	1927sdsc.book......
MlO1927A		cited in SDS (Southern Double Star Cat.), 1927

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16227-6659	DON 791	AB	1969	2	14	4.5	10.49	16.30			162241.88-665922.6
16227-6659	DON 791	AB	2015	3	15	4.6	10.49	16.30			162241.88-665922.6

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

WDS 16227-6659 DON 791 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16227-6659 DON 791 AB : MEASURES

No records found.

WDS 16227-6659 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 16227-6659 : ALADIN DSS IMAGE @ 16^h 22^m 41.88^s -66° 59' 22.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16227-6659 DON 791 AB : 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		16227-6659	DON 791	AB	15	4.6
Show		16227-6659	MLO 72	AC	238	7.8
Show		16197-6658	TDS9840		221	2.4	18
Show		16188-6707	HDS2306		257	5.0	24
Show		16215-6725	TDS9857		51	0.4	27
Show		16232-6728	TDS9874		124	2.4	29
Show		16219-6729	TDS9863		66	0.7	30
Show		16272-6722	WFC 176		58	9.5	35
Show		16160-6708	DON 786		161	3.4	40
Show		16186-6620	TDS9831		254	2.2	47
Show		16279-6622	HDS2328		292	10.2	49
Show		16142-6641	HDS2296		71	0.2	54
Show		16302-6734	DON 799		64	2.1	56
Show		16215-6756	TDS9858		244	0.9	57
Show		16307-6626	TDS9941		246	2.2	59
Show		16161-6612	KPP1055		68	8.4	62
Show		16164-6609	RST 824		119	0.3	64
Show		16297-6751	TDS9927		9	2.5	66
Show		16201-6553	RST 831		11	1.6	69
Show		16252-6808	DON 793		289	1.0	70
Show		16200-6808	TDS9844		231	0.5	71
Show		16301-6603	HJ 4849		140	15.7	72
Show		16346-6721	DON 803		145	1.5	73
Show		16307-6756	TDS9942		41	0.6	74
Show		16334-6616	SWR 204		254	15.6	78
Show		16260-6815	TVB 284		197	17.6	78
Show		16362-6708	TDS9997		27	1.9	80
Show		16109-6621	DON 779	AB	299	5.9	80
Show		16109-6621	DON 779	AC	235	11.6	80
Show		16146-6806	TDS9806		158	0.5	82
Show		16365-6700	HDS2347		118	0.1	82
Show		16139-6556	RST 820		169	0.7	83
Show		16089-6637	KPP3983	AB	309	17.3	85
Show		16089-6637	KPP3983	BC	269	1.1	85
Show		16112-6754	DON 780		162	1.3	86
Show		16213-6533	TDS9855		184	0.7	88
Show		16318-6811	KPP2321		114	19.7	89
Show		16378-6714	TDT 12		7	0.4	90
Show		16100-6610	I 982		222	3.3	91
Show		16110-6805	TDS9786		112	2.2	94
Show		16338-6809	KPP2977		105	3.9	95
Show		16077-6737	MLO 70	AB	302	6.6	95
Show		16077-6737	TDS9767	Aa,Ab	17	0.7	95
Show		16133-6543	RST 818		331	1.8	96
Show		16091-6754	KPP2496		346	22.4	96
Show		16336-6813	TDS9971		335	0.4	97
Show		16370-6613	TDS 825		6	1.4	97
Show		16348-6553	RST 857		200	1.2	99
Show		16349-6810	HJ 4855		296	7.1	100
Show		16287-6836	DON 797		272	1.2	103
Show		16073-6753	DON 776		300	1.1	103

WDS 16227-6659 : COMPONENTS

	A	B
B	pa=6.0° sep=4.46"
C	pa=212.4° sep=4.84"	pa=199.7° sep=9.05"

16227-6659 A

Coord arcsec 2000	162241.88-665922.6		Mag	10.49		PmRA	5.00		PmDE	-3.0
Tycho2	9049-00896-1		DM	CP-66 2935

Tycho2

Tycho2	9049-00896-1	Pflag		RAmdeg	245.67452579	DEmdeg	-66.98961541
PmRA	5.4	PmDE	-2.6	E RAmdeg	28	E DEmdeg	26
E pmRA	2.7	E pmDE	2.5	EpRAm	1990.56	EpDEm	1990.52
Num	3	Q RAmdeg	2.0	Q DEmdeg	0.0	Q pmRA	2.0
Q pmDE	0.0	BTmag	11.355	E BTmag	0.051	VTmag	10.492
E VTmag	0.036	Prox	79	TYC	T	HIP
CCDM		RAdeg	245.67449361	DEdeg	-66.98960944	EpRA 1990	1.78
EpDE 1990	1.71	E RAdeg	27.5	E DEdeg	25.9	Posflg
Corr	-0.1

16227-6659 B

Coord arcsec 2000

162241.96-665918.2

Mag

16.3

Calc delta mag

5.81

Calc coord

yes

16227-6659 C

Coord arcsec 2000	162241.44-665926.7		Mag	11.4		PmRA	8.00		PmDE	-1.0
Tycho2	9049-00896-2		Calc delta mag	0.91		Calc coord	yes

Tycho2

Tycho2	9049-00896-2	Pflag		RAmdeg	245.66978255	DEmdeg	-66.99075669
PmRA	8.1	PmDE	-2.8	E RAmdeg	53	E DEmdeg	50
E pmRA	2.8	E pmDE	2.6	EpRAm	1987.55	EpDEm	1987.51
Num	3	Q RAmdeg	1.5	Q DEmdeg	2.9	Q pmRA	1.5
Q pmDE	3.0	BTmag	12.141	E BTmag	0.110	VTmag	11.398
E VTmag	0.079	Prox	79	TYC	T	HIP
CCDM		RAdeg	245.66973333	DEdeg	-66.99074889	EpRA 1990	1.76
EpDE 1990	1.70	E RAdeg	53.9	E DEdeg	50.7	Posflg
Corr	-0.1