12420-2202 DON 547

12^h 41^m 56.69^s -22° 01' 35.7" P.A. 69.00 sep 2.6 mag 11.81,12.80

Coord 2000	12420-2202	Discov num	DON 547	Comp		Coord arcsec 2000	12 41 56.69 -22 01 35.7
Date first	1932	Date last	2015	Obs	4
Pa first	70	Pa last	68.8	P.A. Now (θ)	68.8°
Sep first	2.2	Sep last	2.575	Sep. Now (ρ)	2.575"
Mag pri	11.81	Mag sec	12.80	delta mag (ΔM)	0.99	Spectral class
Pri motion ra	-037	Sec motion ra	+021
Pri motion dec	-005	Sec motion dec	+022
Notes	N (See Notes)

rPM=1.714

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corvus

Tycho2

6110-01128-1

Gaia DR2

3502897574825538432

WDS 12420-2202 DON 547 : NOTES

discov_num	notes	refcode
DON 547	CPD-21@5405.

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
12420-2202	DON 547		1940	2	70	2.3	11.81	12.80		N	124156.69-220135.7
12420-2202	DON 547		2000	3	69	2.5	11.81	12.80		N	124156.69-220135.7
12420-2202	DON 547		2015	5	69	2.6	11.81	12.80		N	124156.69-220135.7

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

WDS 12420-2202 DON 547 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12420-2202 DON 547 : MEASURES

No records found.

WDS 12420-2202 : VIRTUAL EYEPIECE

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WDS 12420-2202 : ALADIN DSS IMAGE @ 12^h 41^m 56.69^s -22° 01' 35.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12420-2202 DON 547 : 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		12420-2202	DON 547		69	2.6
Show		12408-2152	TOI 772		165	2.3	19
Show		12414-2226	DAW 104		271	3.1	26
Show		12411-2112	SLW 758		129	171.6	51
Show		12384-2236	ARA1795		63	11.0	61
Show		12464-2203	I 515		302	10.2	62
Show		12370-2150	B 1719		132	0.8	71
Show		12369-2135	DON 542		94	0.7	75
Show		12375-2246	CVR 659		312	12.8	76
Show		12446-2315	HDS1784		45	0.5	83
Show		12465-2051	RST2814	AB	292	0.1	95
Show		12478-2255	KPP3880		128	1.9	98
Show		12473-2059	ARA1098		75	10.3	98
Show		12443-2334	KPP2276		87	19.2	99
Show		12386-2027	KPP1910		330	15.1	106
Show		12462-2010	SLW 771		108	64.0	127
Show		12434-1955	UC 2391		268	20.4	129
Show		12506-2117	STN 25		182	13.1	129
Show		12434-2409	NSN 102		3	6.5	129
Show		12340-2312	DON 537	BC	239	0.7	131
Show		12340-2312	DON 537	A,BC	77	15.2	131
Show		12335-2300	DON 535		222	0.4	132
Show		12351-2341	ARA2181			10.8	138
Show		12338-2331	TOK 559		166	999.9	144
Show		12489-2013	B 2301		109	0.7	146
Show		12506-2330	ARA1796		165	14.1	149
Show		12381-1940	RST3802		358	0.2	152
Show		12459-2425	HJ 4549		87	12.0	154
Show		12426-2437	HJ 4542		62	38.4	156
Show		12318-2314	ARA1793		38	5.9	158
Show		12438-2442	TDS8506		72	2.9	163
Show		12530-2302	UC 2422		335	18.3	165
Show		12506-2355	UC 2414		168	11.9	166
Show		12406-1917	WSP 83	AB	179	4.9	166
Show		12406-1917	WSP 83	AC	179	13.4	166
Show		12406-1917	WSP 83	AD	61	19.1	166
Show		12406-1917	WSP 83	AE	282	20.0	166
Show		12406-1917	WSP 83	AF	42	21.8	166
Show		12302-2138	RST4961		199	2.7	166
Show		12485-2426	ARA2183		222	8.0	171
Show		12325-2011	KPP2729		37	1.5	173
Show		12333-2410	ARA2180		276	6.3	176
Show		12311-2346	TOI 749		71	1.3	183
Show		12482-2448	HJ 4551		305	12.0	188
Show		12467-1901	B 2540		75	0.2	193
Show		12429-2514	UC 2389		50	17.6	194
Show		12434-2514	B 2739	CD	295	7.7	194
Show		12434-2514	I 908	AB	154	3.5	194
Show		12434-2514	I 908	AC	21	39.8	194
Show		12427-2518	KPP 921		1	7.6	197
Show		12342-2447	TDS8438		11	0.6	197

WDS 12420-2202 : COMPONENTS

	A
B	pa=67.3° sep=2.41"

12420-2202 A

Componente originario normalizzato	AB		Coord arcsec 2000	124156.69-220135.7		Mag	11.81		PmRA	-37.00
PmDE	-5.0		Tycho2	6110-01128-1

Tycho2

Tycho2	6110-01128-1	Pflag		RAmdeg	190.48624274	DEmdeg	-22.02660543
PmRA	-37.3	PmDE	-5.1	E RAmdeg	58	E DEmdeg	62
E pmRA	2.7	E pmDE	2.9	EpRAm	1984.80	EpDEm	1984.34
Num	4	Q RAmdeg	1.3	Q DEmdeg	0.4	Q pmRA	1.3
Q pmDE	0.4	BTmag	12.326	E BTmag	0.198	VTmag	11.809
E VTmag	0.190	Prox	897	TYC		HIP
CCDM		RAdeg	190.48633444	DEdeg	-22.02659389	EpRA 1990	1.75
EpDE 1990	1.76	E RAdeg	61.1	E DEdeg	66.1	Posflg
Corr	0.1

12420-2202 B

Componente originario normalizzato	AB		Coord arcsec 2000	124156.85-220134.8		Mag	12.8		PmRA	21.00
PmDE	22.0		Calc delta mag	0.99		Calc coord	yes